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Schedule III Properties And Accumulated Depreciation
12 Months Ended
Dec. 31, 2016
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]  
Properties And Accumulated Depreciation
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
36 NE 2nd Street
Miami
 

 
1,942

 

 
24,184

 
12,246

 

 
1,942

 

 
36,430

 
38,372

 
(15,119
)
 
2002
 
(A)
2323 Bryan Street
Dallas
 

 
1,838

 

 
77,604

 
49,960

 

 
1,838

 

 
127,564

 
129,402

 
(60,995
)
 
2002
 
(A)
300 Boulevard East
New York
 

 
5,140

 

 
48,526

 
61,695

 

 
5,140

 

 
110,221

 
115,361

 
(61,473
)
 
2002
 
(A)
2334 Lundy Place
Silicon Valley
 

 
3,607

 

 
23,008

 
67

 

 
3,607

 

 
23,075

 
26,682

 
(9,739
)
 
2002
 
(A)
34551 Ardenwood Boulevard 1-4
Silicon Valley
 

 
15,330

 

 
32,419

 
10,583

 

 
15,330

 

 
43,002

 
58,332

 
(16,861
)
 
2003
 
(A)
2440 Marsh Lane
Dallas
 

 
1,477

 

 
10,330

 
72,349

 

 
1,477

 

 
82,679

 
84,156

 
(55,085
)
 
2003
 
(A)
2010 East Centennial Circle
Phoenix
 

 

 
1,477

 
16,472

 
(98
)
 

 

 
1,322

 
16,529

 
17,851

 
(6,963
)
 
2003
 
(A)
375 Riverside Parkway
Atlanta
 

 
1,250

 

 
11,578

 
31,541

 

 
1,250

 

 
43,119

 
44,369

 
(26,328
)
 
2003
 
(A)
4849 Alpha Road
Dallas
 

 
2,983

 

 
10,650

 
43,322

 

 
2,983

 

 
53,972

 
56,955

 
(25,219
)
 
2004
 
(A)
600 West Seventh Street
Los Angeles
 

 
18,478

 

 
50,824

 
56,357

 

 
18,478

 

 
107,181

 
125,659

 
(58,833
)
 
2004
 
(A)
2045 & 2055 LaFayette Street
Silicon Valley
 

 
6,065

 

 
43,817

 
20

 

 
6,065

 

 
43,837

 
49,902

 
(17,228
)
 
2004
 
(A)
11830 Webb Chapel Road
Dallas
 

 
5,881

 

 
34,473

 
2,345

 

 
5,881

 

 
36,818

 
42,699

 
(15,353
)
 
2004
 
(A)
150 South First Street
Silicon Valley
 

 
2,068

 

 
29,214

 
1,499

 

 
2,068

 

 
30,713

 
32,781

 
(11,735
)
 
2004
 
(A)
200 Paul Avenue
San Francisco
 

 
14,427

 

 
75,777

 
93,524

 

 
14,427

 

 
169,301

 
183,728

 
(72,412
)
 
2004
 
(A)
1100 Space Park Drive
Silicon Valley
 

 
5,130

 

 
18,206

 
34,917

 

 
5,130

 

 
53,123

 
58,253

 
(29,167
)
 
2004
 
(A)
3015 Winona Avenue
Los Angeles
 

 
6,534

 

 
8,356

 
6

 

 
6,534

 

 
8,362

 
14,896

 
(3,462
)
 
2004
 
(A)
1125 Energy Park Drive
Minneapolis
 

 
2,775

 

 
10,761

 
(5,701
)
 
(5,900
)
 
2,775

 

 
5,060

 
7,835

 
(3,945
)
 
2005
 
(A)
350 East Cermak Road
Chicago
 

 
8,466

 

 
103,232

 
224,747

 

 
8,620

 

 
327,825

 
336,445

 
(185,776
)
 
2005
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8534 Concord Center Drive
Denver
 

  
2,181

 

 
11,561

 
138

 

 
2,181

 

 
11,699

 
13,880

 
(4,862
)
 
2005
 
(A)
2401 Walsh Street
Silicon Valley
 

  
5,775

 

 
19,267

 
37

 

 
5,775

 

 
19,304

 
25,079

 
(7,589
)
 
2005
 
(A)
2403 Walsh Street
Silicon Valley
 

  
5,514

 

 
11,695

 
48

 

 
5,514

 

 
11,743

 
17,257

 
(4,908
)
 
2005
 
(A)
200 North Nash Street
Los Angeles
 

  
4,562

 

 
12,503

 
232

 

 
4,562

 

 
12,735

 
17,297

 
(5,809
)
 
2005
 
(A)
731 East Trade Street
Charlotte
 
2,916

(1) 
1,748

 

 
5,727

 
257

 

 
1,748

 

 
5,984

 
7,732

 
(2,233
)
 
2005
 
(A)
113 North Myers
Charlotte
 

  
1,098

 

 
3,127

 
2,069

 

 
1,098

 

 
5,196

 
6,294

 
(2,186
)
 
2005
 
(A)
125 North Myers
Charlotte
 

  
1,271

 

 
3,738

 
6,180

 

 
1,271

 

 
9,918

 
11,189

 
(7,186
)
 
2005
 
(A)
Paul van Vlissingenstraat 16
Amsterdam
 

  

 

 
15,255

 
22,772

 

 

 

 
38,027

 
38,027

 
(14,472
)
 
2005
 
(A)
600-780 S. Federal
Chicago
 

  
7,849

 

 
27,881

 
33,802

 

 
7,849

 

 
61,683

 
69,532

 
(15,304
)
 
2005
 
(A)
115 Second Avenue
Boston
 

  
1,691

 

 
12,569

 
11,458

 

 
1,691

 

 
24,027

 
25,718

 
(14,222
)
 
2005
 
(A)
Chemin de l’Epinglier 2
Geneva
 

  

 

 
20,071

 
(2,171
)
 

 

 

 
17,900

 
17,900

 
(6,585
)
 
2005
 
(A)
7500 Metro Center Drive
Austin
 

  
1,177

 

 
4,877

 
68,296

 

 
1,177

 

 
73,173

 
74,350

 
(8,207
)
 
2005
 
(A)
3 Corporate Place
New York
 

  
1,543

 

 
12,678

 
85,251

 

 
1,543

 

 
97,929

 
99,472

 
(76,002
)
 
2005
 
(A)
1115 Centennial Avenue
New York
 

 
581

 

 

 
42,222

 

 
581

 

 
42,222

 
42,803

 

 
2005
 
(C)
4025 Midway Road
Dallas
 

  
2,196

 

 
14,037

 
28,773

 

 
2,196

 

 
42,810

 
45,006

 
(27,510
)
 
2006
 
(A)
Clonshaugh Industrial Estate
Dublin
 

  

 
1,444

 
5,569

 
963

 

 

 
87

 
7,889

 
7,976

 
(4,804
)
 
2006
 
(A)
6800 Millcreek Drive
Toronto
 

  
1,657

 

 
11,352

 
2,279

 

 
1,657

 

 
13,631

 
15,288

 
(5,904
)
 
2006
 
(A)
101 Aquila Way
Atlanta
 

  
1,480

 

 
34,797

 
45

 

 
1,480

 

 
34,842

 
36,322

 
(12,631
)
 
2006
 
(A)
Digital Houston
Houston
 

  
6,965

 

 
23,492

 
145,603

 

 
6,965

 

 
169,095

 
176,060

 
(46,323
)
 
2006
 
(A)
120 E Van Buren
Phoenix
 

  
4,524

 

 
157,822

 
109,068

 

 
4,524

 

 
266,890

 
271,414

 
(115,072
)
 
2006
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gyroscoopweg 2E-2F
Amsterdam
 

 

 

 
13,450

 
(2,374
)
 

 

 

 
11,076

 
11,076

 
(4,168
)
 
2006
 
(A)
Clonshaugh Industrial Estate II
Dublin
 

 

 

 

 
72,561

 

 

 

 
72,561

 
72,561

 
(35,184
)
 
2006
 
(C)
600 Winter Street
Boston
 

 
1,429

 

 
6,228

 
456

 

 
1,429

 

 
6,684

 
8,113

 
(2,134
)
 
2006
 
(A)
2300 NW 89th Place
Miami
 

 
1,022

 

 
3,767

 
19

 

 
1,022

 

 
3,786

 
4,808

 
(1,568
)
 
2006
 
(A)
2055 East Technology Circle
Phoenix
 

 

 

 
8,519

 
27,622

 

 

 

 
36,141

 
36,141

 
(24,871
)
 
2006
 
(A)
Unit 9, Blanchardstown Corporate Park
Dublin
 

 
1,927

 

 
40,024

 
14,822

 

 
1,523

 

 
55,250

 
56,773

 
(18,759
)
 
2006
 
(A)
111 8th Avenue
New York
 

 

 

 
17,688

 
18,687

 

 

 

 
36,375

 
36,375

 
(28,345
)
 
2006
 
(A)
8100 Boone Boulevard
N. Virginia
 

 

 

 
158

 
1,211

 

 

 

 
1,369

 
1,369

 
(1,200
)
 
2006
 
(A)
21110 Ridgetop Circle
N. Virginia
 

 
2,934

 

 
14,311

 
1,307

 

 
2,934

 

 
15,618

 
18,552

 
(5,246
)
 
2007
 
(A)
3011 Lafayette Street
Silicon Valley
 

 
3,354

 

 
10,305

 
49,447

 

 
3,354

 

 
59,752

 
63,106

 
(44,952
)
 
2007
 
(A)
44470 Chilum Place
N. Virginia
 

 
3,531

 

 
37,360

 
1

 

 
3,531

 

 
37,361

 
40,892

 
(10,092
)
 
2007
 
(A)
43881 Devin Shafron Drive
N. Virginia
 

 
4,653

 

 
23,631

 
92,840

 

 
4,653

 

 
116,471

 
121,124

 
(80,752
)
 
2007
 
(A)
43831 Devin Shafron Drive
N. Virginia
 

 
3,027

 

 
16,247

 
1,366

 

 
3,027

 

 
17,613

 
20,640

 
(5,181
)
 
2007
 
(A)
43791 Devin Shafron Drive
N. Virginia
 

 
3,490

 

 
17,444

 
76,648

 

 
3,490

 

 
94,092

 
97,582

 
(46,167
)
 
2007
 
(A)
Mundells Roundabout
London
 

 
31,354

 

 

 
38,956

 

 
19,670

 

 
50,640

 
70,310

 
(10,514
)
 
2007
 
(C)
1 Solutions Parkway
St. Louis
 

 
3,301

 

 
20,639

 
1,460

 

 
3,301

 

 
22,099

 
25,400

 
(6,304
)
 
2007
 
(A)
1500 Space Park Drive
Silicon Valley
 

 
6,732

 

 
6,325

 
46,136

 

 
4,106

 

 
55,087

 
59,193

 
(45,440
)
 
2007
 
(A)
Cressex 1
London
 

 
3,629

 

 
9,036

 
17,681

 

 
2,372

 

 
27,974

 
30,346

 
(15,888
)
 
2007
 
(A)
Naritaweg 52
Amsterdam
 

 

 
1,192

 
23,441

 
(6,745
)
 

 

 
860

 
17,028

 
17,888

 
(4,643
)
 
2007
 
(A)
1 St. Anne’s Boulevard
London
 

 
1,490

 

 
1,045

 
(860
)
 

 
944

 

 
731

 
1,675

 
(168
)
 
2007
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2 St. Anne’s Boulevard
London
 

 
922

 

 
695

 
31,421

 

 
629

 

 
32,409

 
33,038

 
(4,463
)
 
2007
 
(A)
3 St. Anne’s Boulevard
London
 

 
22,079

 

 
16,351

 
74,745

 

 
13,870

 

 
99,305

 
113,175

 
(43,075
)
 
2007
 
(A)
365 South Randolphville Road
New York
 

 
3,019

 

 
17,404

 
285,554

 

 
3,019

 

 
302,958

 
305,977

 
(90,405
)
 
2008
 
(A)
701 & 717 Leonard Street
Dallas
 

 
2,165

 

 
9,934

 
835

 

 
2,165

 

 
10,769

 
12,934

 
(2,563
)
 
2008
 
(A)
Manchester Technopark
Manchester
 

 

 

 
23,918

 
(8,672
)
 

 

 

 
15,246

 
15,246

 
(3,720
)
 
2008
 
(A)
1201 Comstock Street
Silicon Valley
 

 
2,093

 

 
1,606

 
26,767

 

 
3,398

 

 
27,068

 
30,466

 
(16,276
)
 
2008
 
(A)
1550 Space Park Drive
Silicon Valley
 

 
2,301

 

 
766

 
2,625

 

 
2,056

 

 
3,636

 
5,692

 

 
2008
 
(A)
1525 Comstock Street
Silicon Valley
 

 
2,293

 

 
16,216

 
30,780

 

 
2,061

 

 
47,228

 
49,289

 
(27,042
)
 
2008
 
(C)
43830 Devin Shafron Drive
N. Virginia
 

 
5,509

 

 

 
73,667

 

 
5,509

 

 
73,667

 
79,176

 
(30,048
)
 
2009
 
(C)
1232 Alma Road
Dallas
 

 
2,267

 

 
3,740

 
63,893

 

 
2,266

 

 
67,634

 
69,900

 
(32,135
)
 
2009
 
(A)
900 Quality Way
Dallas
 

 
1,446

 

 
1,659

 
69,396

 

 
1,446

 

 
71,055

 
72,501

 
(13,853
)
 
2009
 
(A)
1210 Integrity Drive
Dallas
 

 
2,041

 

 
3,389

 
100,985

 

 
3,796

 

 
102,619

 
106,415

 
(29
)
 
2009
 
(A)
907 Security Row
Dallas
 

 
333

 

 
344

 
98,890

 

 
2,112

 

 
97,455

 
99,567

 
(2,790
)
 
2009
 
(A)
908 Quality Way
Dallas
 

 
6,730

 

 
4,493

 
13,778

 

 
2,067

 

 
22,934

 
25,001

 
(15,103
)
 
2009
 
(A)
904 Quality Way
Dallas
 

 
760

 

 
744

 
6,818

 

 
1,151

 

 
7,171

 
8,322

 
(814
)
 
2009
 
(A)
1215 Integrity Drive
Dallas
 

 

 

 

 
44,353

 

 
1,921

 

 
42,432

 
44,353

 
(11,315
)
 
2009
 
(C)
1350 Duane & 3080 Raymond
Silicon Valley
 

 
7,081

 

 
69,817

 
61

 

 
7,081

 

 
69,878

 
76,959

 
(12,978
)
 
2009
 
(A)
45901 & 45845 Nokes Boulevard
N. Virginia
 

 
3,437

 

 
28,785

 
450

 

 
3,437

 

 
29,235

 
32,672

 
(5,737
)
 
2009
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
21561 & 21571 Beaumeade Circle
N. Virginia
 

 
3,966

 

 
24,211

 
45

 

 
3,966

 

 
24,256

 
28,222

 
(4,389
)
 
2009
 
(A)
60 & 80 Merritt
New York
 

 
3,418

 

 
71,477

 
92,086

 

 
3,418

 

 
163,563

 
166,981

 
(28,851
)
 
2010
 
(A)
55 Middlesex
Boston
 

 
9,975

 

 
68,363

 
8,793

 

 
9,975

 

 
77,156

 
87,131

 
(19,299
)
 
2010
 
(A)
128 First Avenue
Boston
 

 
5,465

 

 
185,348

 
31,509

 

 
5,465

 

 
216,857

 
222,322

 
(53,084
)
 
2010
 
(A)
Cateringweg 5
Amsterdam
 

 

 
3,518

 
3,517

 
35,249

 

 

 
3,023

 
39,261

 
42,284

 
(5,866
)
 
2010
 
(A)
1725 Comstock Street
Silicon Valley
 

 
3,274

 

 
6,567

 
38,002

 

 
3,274

 

 
44,569

 
47,843

 
(19,201
)
 
2010
 
(A)
3105 Alfred Street
Silicon Valley
 

 
6,533

 

 
3,725

 
58,227

 

 
6,801

 

 
61,684

 
68,485

 
(22,043
)
 
2010
 
(A)
365 Main Street
San Francisco
 

 
22,854

 

 
158,709

 
23,962

 

 
22,854

 

 
182,671

 
205,525

 
(40,034
)
 
2010
 
(A)
720 2nd Street
San Francisco
 

 
3,884

 

 
116,861

 
9,644

 

 
3,884

 

 
126,505

 
130,389

 
(24,909
)
 
2010
 
(A)
2260 East El Segundo
Los Angeles
 

 
11,053

 

 
51,397

 
14,310

 

 
11,053

 

 
65,707

 
76,760

 
(15,223
)
 
2010
 
(A)
2121 South Price Road
Phoenix
 

 
7,335

 

 
238,452

 
203,628

 

 
7,335

 

 
442,080

 
449,415

 
(88,460
)
 
2010
 
(A)
4030 Lafayette
N. Virginia
 

 
2,492

 

 
16,912

 
3,871

 

 
2,492

 

 
20,783

 
23,275

 
(4,646
)
 
2010
 
(A)
4040 Lafayette
N. Virginia
 

 
1,246

 

 
4,267

 
24,510

 

 
1,246

 

 
28,777

 
30,023

 
(2,762
)
 
2010
 
(A)
4050 Lafayette
N. Virginia
 

 
1,246

 

 
4,371

 
35,110

 

 
1,246

 

 
39,481

 
40,727

 
(16,862
)
 
2010
 
(A)
2805 Lafayette Street
Silicon Valley
 

 
8,976

 

 
18,155

 
128,065

 

 
8,294

 

 
146,902

 
155,196

 
(17,415
)
 
2010
 
(A)
29A International Business Park
Singapore
 

 

 

 
137,545

 
190,103

 

 

 

 
327,648

 
327,648

 
(76,738
)
 
2010
 
(A)
43940 Digital Loudoun Plaza
N. Virginia
 

 
6,229

 

 

 
255,687

 

 
6,323

 

 
255,593

 
261,916

 
(42,870
)
 
2011
 
(C)
44060 Digital Loudoun Plaza
N. Virginia
 

 
3,700

 

 

 
187,637

 

 
3,441

 

 
187,896

 
191,337

 
(10,721
)
 
2011
 
(C)
44100 Digital Loudoun Plaza
N. Virginia
 

 
3,700

 

 

 
128,634

 

 
3,750

 

 
128,584

 
132,334

 
(1,139
)
 
2011
 
(C)
43780 Digital Loudoun Plaza
N. Virginia
 

 
3,671

 

 

 
52,214

 

 
4,633

 

 
51,252

 
55,885

 
(139
)
 
2011
 
(C)
1-11 Templar Road
Sydney
 

 
6,937

 

 

 
62,024

 

 
4,550

 

 
64,411

 
68,961

 
(9,346
)
 
2011
 
(C)
13-23 Templar Road
Sydney
 
 
 
4,236

 

 

 
426

 

 
3,424

 

 
1,238

 
4,662

 

 
2011
 
(C)
Fountain Court
London
 

 
7,544

 

 
12,506

 
90,541

 

 
6,145

 

 
104,446

 
110,591

 
(12,647
)
 
2011
 
(A)
72 Radnor Drive
Melbourne
 

 
2,568

 

 

 
53,962

 

 
1,805

 

 
54,725

 
56,530

 
(5,163
)
 
2011
 
(C)
98 Radnor Drive
Melbourne
 

 
1,899

 

 

 
36,164

 

 
1,375

 

 
36,688

 
38,063

 
(10,242
)
 
2011
 
(C)
105 Cabot Street
Boston
 

 
2,386

 

 

 
58,844

 

 
2,427

 

 
58,803

 
61,230

 
(5,502
)
 
2011
 
(C)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3825 NW Aloclek Place
Portland
 

  
1,689

 

 

 
57,103

 

 
1,689

 

 
57,103

 
58,792

 
(14,163
)
 
2011
 
(C)
11085 Sun Center Drive
Sacramento
 

  
2,490

 

 
21,509

 
1

 

 
2,490

 

 
21,510

 
24,000

 
(3,253
)
 
2011
 
(A)
Profile Park
Dublin
 

  
6,288

 

 

 
39,505

 

 
5,205

 

 
40,588

 
45,793

 
(1,321
)
 
2011
 
(C)
1506 & 44874 Moran Road
N. Virginia
 

  
1,527

 

 

 
17,185

 

 
1,115

 

 
17,597

 
18,712

 
(1,800
)
 
2011
 
(A)
760 Doug Davis Drive
Atlanta
 

  
4,837

 

 
53,551

 
3,086

 

 
4,837

 

 
56,637

 
61,474

 
(9,862
)
 
2011
 
(A)
360 Spear Street
San Francisco
 

  
19,828

 

 
56,733

 
(771
)
 

 
19,828

 

 
55,962

 
75,790

 
(10,532
)
 
2011
 
(A)
2501 S. State Hwy 121
Dallas
 

  
23,137

 

 
93,943

 
17,189

 

 
23,137

 

 
111,132

 
134,269

 
(22,488
)
 
2012
 
(A)
9333 Grand Avenue
Chicago
 

  
5,686

 

 
14,515

 
76,939

 

 
1,205

 

 
95,935

 
97,140

 
(21,486
)
 
2012
 
(A)
9355 Grand Avenue
Chicago
 

 
 
 

 

 
224,912

 

 
2,518

 

 
222,394

 
224,912

 
(7,330
)
 
2012
 
(A)
9377 Grand Avenue
Chicago
 

 
 
 

 

 
75,821

 

 
2,248

 

 
73,573

 
75,821

 
(38
)
 
2012
 
(A)
8025 North Interstate 35
Austin
 


2,920

 

 
8,512

 
185

 

 
2,920

 

 
8,697

 
11,617

 
(1,305
)
 
2012
 
(A)
850 E Collins
Dallas
 

  
1,614

 

 

 
83,041

 

 
1,614

 

 
83,041

 
84,655

 
(10,903
)
 
2012
 
(C)
950 E Collins
Dallas
 

  
1,546

 

 

 
74,874

 

 
1,546

 

 
74,874

 
76,420

 
(6,421
)
 
2012
 
(C)
400 S. Akard
Dallas
 

  
10,075

 

 
62,730

 
1,902

 

 
10,075

 

 
64,632

 
74,707

 
(7,910
)
 
2012
 
(A)
410 Commerce Boulevard
New York
 

  

 

 

 
29,784

 

 

 

 
29,784

 
29,784

 
(8,027
)
 
2012
 
(C)
Croydon
London
 

  
1,683

 

 
104,728

 
34,197

 

 
2,203

 

 
138,405

 
140,608

 
(17,161
)
 
2012
 
(A)
Watford
London
 

  

 
7,355

 
219,273

 
(15,784
)
 

 

 
6,043

 
204,801

 
210,844

 
(24,862
)
 
2012
 
(A)
Unit 21 Goldsworth Park
London
 

  
17,334

 

 
928,129

 
(218,845
)
 

 
12,327

 

 
714,291

 
726,618

 
(93,086
)
 
2012
 
(A)
11900 East Cornell
Denver
 

  
3,352

 

 
80,640

 
2,059

 

 
3,352

 

 
82,699

 
86,051

 
(11,645
)
 
2012
 
(A)
701 Union Boulevard
New York
 

  
10,045

 

 
6,755

 
26,299

 

 
10,045

 

 
33,054

 
43,099

 

 
2012
 
(A)
23 Waterloo Road
Sydney
 

  
7,112

 

 
3,868

 
(3,366
)
 

 
4,932

 

 
2,682

 
7,614

 
(310
)
 
2012
 
(A)
1 Rue Jean-Pierre
Paris
 

  
9,621

 

 
35,825

 
(9,218
)
 

 
7,669

 

 
28,559

 
36,228

 
(4,143
)
 
2012
 
(A)
Liet-dit le Christ de Saclay
Paris
 

  
3,402

 

 
3,090

 
(1,317
)
 

 
2,712

 

 
2,463

 
5,175

 
(461
)
 
2012
 
(A)
127 Rue de Paris
Paris
 

  
8,637

 

 
10,838

 
(3,950
)
 

 
6,886

 

 
8,639

 
15,525

 
(1,559
)
 
2012
 
(A)
17201 Waterview Parkway
Dallas
 

  
2,070

 

 
6,409

 
(1
)
 

 
2,070

 

 
6,408

 
8,478

 
(825
)
 
2013
 
(A)
1900 S. Price Road
Phoenix
 

  
5,380

 

 
16,975

 
486

 

 
5,398

 

 
17,443

 
22,841

 
(1,815
)
 
2013
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
371 Gough Road
Toronto
 

  
7,394

 
 
 
677

 
88,306

 

 
6,014

 

 
90,363

 
96,377

 
(4,305
)
 
2013
 
(A)
1500 Towerview Road
Minneapolis
 

  
10,190

 
 
 
20,054

 
3,191

 

 
10,190

 

 
23,245

 
33,435

 
(3,029
)
 
2013
 
(A)
Principal Park
London
 

  
11,837

 
 
 

 
101,915

 

 
12,044

 

 
101,708

 
113,752

 
(3,890
)
 
2013
 
(C)
MetCenter Business Park
Austin
 

  
8,604

 
 
 
20,314

 
395

 

 
8,604

 

 
20,709

 
29,313

 
(3,043
)
 
2013
 
(A)
Liverpoolweg 10
Amsterdam
 

  
733

 
 
 
3,122

 
8,138

 

 
591

 

 
11,402

 
11,993

 
(1,183
)
 
2013
 
(A)
DePresident
Amsterdam
 

  
6,737

 
 
 

 
30,369

 

 
7,030

 

 
30,076

 
37,106

 

 
2013
 
(C)
Digital Osaka
Osaka
 

  
9,649

 
 
 

 
43,689

 

 
9,043

 

 
44,295

 
53,338

 

 
2013
 
(C)
Crawley 2
London
 

 
24,305

 
 
 

 
1,227

 

 
18,502

 

 
7,030

 
25,532

 
(190
)
 
2014
 
(C)
Digital Deer Park 3
Melbourne
 

 
1,600

 

 

 
32

 

 
1,630

 

 
2

 
1,632

 

 
2015
 
(C)
3 Loyang Way
Singapore
 

 

 

 

 
110,303

 

 

 

 
110,303

 
110,303

 
(320
)
 
2015
 
(A)
Digital Loudoun III
N. Virginia
 

 
43,000

 

 

 
26,278

 

 
51,673

 

 
17,605

 
69,278

 
(10
)
 
2015
 
(C)
Digital Frankfurt
Frankfurt
 

 
5,543

 

 

 
7,884

 

 
8,266

 

 
5,161

 
13,427

 

 
2015
 
(C)
56 Marietta Street
Atlanta
 

 
1,700

 

 
211,397

 
7,329

 

 
1,700

 

 
218,726

 
220,426

 
(10,882
)
 
2015
 
(A)
2 Peekay Drive
New York
 

 

 

 
115,439

 
5,072

 

 

 

 
120,511

 
120,511

 
(8,637
)
 
2015
 
(A)
100 Delawanna Avenue
New York
 

 
3,600

 

 
85,438

 
3,400

 

 
3,600

 

 
88,838

 
92,438

 
(3,985
)
 
2015
 
(A)
60 Hudson Street
New York
 

 

 

 
32,280

 
4,249

 

 

 

 
36,529

 
36,529

 
(4,064
)
 
2015
 
(A)
32 Avenue of the Americas
New York
 

 

 

 
30,980

 
1,368

 

 

 

 
32,348

 
32,348

 
(2,765
)
 
2015
 
(A)
3433 S 120th Place
Seattle
 

 

 

 
11,688

 
1,387

 

 

 

 
13,075

 
13,075

 
(2,074
)
 
2015
 
(A)
8435 Stemmons Freeway
Dallas
 

 

 

 
5,023

 
1,425

 

 

 

 
6,448

 
6,448

 
(841
)
 
2015
 
(A)
2625 Walsh Avenue
Silicon Valley
 

 

 

 
4,276

 
2,648

 

 

 

 
6,924

 
6,924

 
(550
)
 
2015
 
(A)
111 8th Avenue - Telx
New York
(2) 

 

 

 
42,454

 
5,433

 
 
 

 

 
47,887

 
47,887

 
(6,506
)
 
2015
 
(A)
350 East Cermak Road - Telx
Chicago
(2) 

 

 

 
13,933

 
2,180

 

 

 

 
16,113

 
16,113

 
(1,749
)
 
2015
 
(A)
200 Paul Avenue - Telx
San Francisco
(2) 

 

 

 
6,719

 
1,160

 

 

 

 
7,879

 
7,879

 
(958
)
 
2015
 
(A)
2323 Bryan Street - Telx
Dallas
(2) 

 

 

 
5,191

 
1,725

 

 

 

 
6,916

 
6,916

 
(853
)
 
2015
 
(A)
600 W. 7th Street - Telx
Los Angeles
(2) 

 

 

 
3,689

 
498

 

 

 

 
4,187

 
4,187

 
(506
)
 
2015
 
(A)
3825 NW Aloclek Place - Telx
Portland
(2) 

 

 

 
3,131

 
835

 

 

 

 
3,966

 
3,966

 
(364
)
 
2015
 
(A)
120 E. Van Buren Street - Telx
Phoenix
(2) 

 

 

 
2,848

 
765

 

 

 

 
3,613

 
3,613

 
(383
)
 
2015
 
(A)
36 NE 2nd Street - Telx
Miami
(2) 

 

 

 
1,842

 
649

 

 

 

 
2,491

 
2,491

 
(353
)
 
2015
 
(A)
600-780 S. Federal Street - Telx
Chicago
(2) 

 

 

 
1,815

 
1,682

 

 

 

 
3,497

 
3,497

 
(293
)
 
2015
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
113 N. Myers Street - Telx
Charlotte
(2) 

 

 

 
476

 
40

 

 

 

 
516

 
516

 
(75
)
 
2015
 
(A)
1100 Space Park Drive - Telx
Silicon Valley
(2) 

 

 

 
352

 
109

 

 

 

 
461

 
461

 
(61
)
 
2015
 
(A)
300 Boulevard East - Telx
New York
(2) 

 

 

 
197

 
25

 

 

 

 
222

 
222

 
(57
)
 
2015
 
(A)
Science Park
Amsterdam
(3) 

 
665

 

 
75,095

 
15,671

 

 
631

 

 
90,800

 
91,431

 
(903
)
 
2016
 
(A)
Sovereign House
London
(3) 

 
7,943

 

 
44,114

 
(2,095
)
 

 
7,527

 

 
42,435

 
49,962

 
(2,188
)
 
2016
 
(A)
Amstel Business Park
Amsterdam
(3) 

 
2,991

 

 
58,138

 
2,184

 

 
2,840

 

 
60,473

 
63,313

 
(2,587
)
 
2016
 
(A)
Olivers Yard
London
(3) 

 
7,943

 

 
34,744

 
(2,099
)
 

 
7,527

 

 
33,061

 
40,588

 
(1,782
)
 
2016
 
(A)
Bonnington House
London
(3) 

 

 

 
14,127

 
(252
)
 

 

 

 
13,875

 
13,875

 
(1,094
)
 
2016
 
(A)
West Drayton
London
(3) 

 

 

 
10,135

 
(330
)
 

 

 

 
9,805

 
9,805

 
(832
)
 
2016
 
(A)
Lyonerstrasse
Frankfurt
(3) 

 

 

 
8,407

 
(393
)
 

 

 

 
8,014

 
8,014

 
(586
)
 
2016
 
(A)
Meridian Gate
London
(3) 

 

 

 
5,893

 
(255
)
 

 

 

 
5,638

 
5,638

 
(445
)
 
2016
 
(A)
NE Corner of Campbell Road and Ferris Road
Dallas
 

 
16,542

 

 

 
230

 

 
16,772

 

 

 
16,772

 

 
2016
 
(C)
9401 West Grand Avenue
Chicago
 

 
12,500

 

 

 
973

 

 
13,430

 

 
43

 
13,473

 

 
2016
 
(C)
Broad Run Technology Park
N. Virginia
 

 
18,019

 

 

 
5,422

 

 
23,314

 

 
127

 
23,441

 

 
2016
 
(C)
Other
 
 

  
8,298

 
 
 

 
94,343

 

 

 

 
102,641

 
102,641

 
(14,485
)
 
 
 
 
 
 
 
2,916

 
786,205

 
14,986

 
5,231,322

 
5,525,956

 
(5,900
)
 
746,822

 
11,335

 
10,800,312

 
11,558,469

 
(2,668,509
)
 
 
 
 
(1)
The balance shown excludes an unamortized premium of $334.
(2)
Represents properties acquired in the Telx Acquisition.
(3)
Represents properties acquired in the European Portfolio Acquisition.
(1) Tax Cost
The aggregate gross cost of the Company’s properties for federal income tax purposes approximated $13.4 billion (unaudited) as of December 31, 2016.

(2) Historical Cost and Accumulated Depreciation and Amortization
The following table reconciles the historical cost of the Company’s properties for financial reporting purposes for each of the years in the three-year period ended December 31, 2016.
 
Year Ended December 31,
 
2016
 
2015
 
2014
Balance, beginning of year
$
10,915,373

 
$
9,982,612

 
$
9,879,578

Additions during period (acquisitions and improvements)
760,051

 
1,133,263

 
560,307

Deductions during period (dispositions, impairments and assets held for sale)
(116,955
)
 
(200,502
)
 
(457,273
)
Balance, end of year
$
11,558,469

 
$
10,915,373

 
$
9,982,612

The following table reconciles accumulated depreciation and amortization of the Company’s properties for financial reporting purposes for each of the years in the three-year period ended December 31, 2016.
 
Year Ended December 31,
 
2016
 
2015
 
2014
Balance, beginning of year
$
2,251,268

 
$
1,874,054

 
$
1,565,996

Additions during period (depreciation and amortization expense)
461,506

 
429,057

 
413,652

Deductions during period (dispositions and assets held for sale)
(44,265
)
 
(51,843
)
 
(105,594
)
Balance, end of year
$
2,668,509

 
$
2,251,268

 
$
1,874,054

Schedules other than those listed above are omitted because they are not applicable or the information required is included in the consolidated financial statements or the notes thereto.
Digital Realty Trust, L.P.  
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]  
Properties And Accumulated Depreciation
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
36 NE 2nd Street
Miami
 

 
1,942

 

 
24,184

 
12,246

 

 
1,942

 

 
36,430

 
38,372

 
(15,119
)
 
2002
 
(A)
2323 Bryan Street
Dallas
 

 
1,838

 

 
77,604

 
49,960

 

 
1,838

 

 
127,564

 
129,402

 
(60,995
)
 
2002
 
(A)
300 Boulevard East
New York
 

 
5,140

 

 
48,526

 
61,695

 

 
5,140

 

 
110,221

 
115,361

 
(61,473
)
 
2002
 
(A)
2334 Lundy Place
Silicon Valley
 

 
3,607

 

 
23,008

 
67

 

 
3,607

 

 
23,075

 
26,682

 
(9,739
)
 
2002
 
(A)
34551 Ardenwood Boulevard 1-4
Silicon Valley
 

 
15,330

 

 
32,419

 
10,583

 

 
15,330

 

 
43,002

 
58,332

 
(16,861
)
 
2003
 
(A)
2440 Marsh Lane
Dallas
 

 
1,477

 

 
10,330

 
72,349

 

 
1,477

 

 
82,679

 
84,156

 
(55,085
)
 
2003
 
(A)
2010 East Centennial Circle
Phoenix
 

 

 
1,477

 
16,472

 
(98
)
 

 

 
1,322

 
16,529

 
17,851

 
(6,963
)
 
2003
 
(A)
375 Riverside Parkway
Atlanta
 

 
1,250

 

 
11,578

 
31,541

 

 
1,250

 

 
43,119

 
44,369

 
(26,328
)
 
2003
 
(A)
4849 Alpha Road
Dallas
 

 
2,983

 

 
10,650

 
43,322

 

 
2,983

 

 
53,972

 
56,955

 
(25,219
)
 
2004
 
(A)
600 West Seventh Street
Los Angeles
 

 
18,478

 

 
50,824

 
56,357

 

 
18,478

 

 
107,181

 
125,659

 
(58,833
)
 
2004
 
(A)
2045 & 2055 LaFayette Street
Silicon Valley
 

 
6,065

 

 
43,817

 
20

 

 
6,065

 

 
43,837

 
49,902

 
(17,228
)
 
2004
 
(A)
11830 Webb Chapel Road
Dallas
 

 
5,881

 

 
34,473

 
2,345

 

 
5,881

 

 
36,818

 
42,699

 
(15,353
)
 
2004
 
(A)
150 South First Street
Silicon Valley
 

 
2,068

 

 
29,214

 
1,499

 

 
2,068

 

 
30,713

 
32,781

 
(11,735
)
 
2004
 
(A)
200 Paul Avenue
San Francisco
 

 
14,427

 

 
75,777

 
93,524

 

 
14,427

 

 
169,301

 
183,728

 
(72,412
)
 
2004
 
(A)
1100 Space Park Drive
Silicon Valley
 

 
5,130

 

 
18,206

 
34,917

 

 
5,130

 

 
53,123

 
58,253

 
(29,167
)
 
2004
 
(A)
3015 Winona Avenue
Los Angeles
 

 
6,534

 

 
8,356

 
6

 

 
6,534

 

 
8,362

 
14,896

 
(3,462
)
 
2004
 
(A)
1125 Energy Park Drive
Minneapolis
 

 
2,775

 

 
10,761

 
(5,701
)
 
(5,900
)
 
2,775

 

 
5,060

 
7,835

 
(3,945
)
 
2005
 
(A)
350 East Cermak Road
Chicago
 

 
8,466

 

 
103,232

 
224,747

 

 
8,620

 

 
327,825

 
336,445

 
(185,776
)
 
2005
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8534 Concord Center Drive
Denver
 

  
2,181

 

 
11,561

 
138

 

 
2,181

 

 
11,699

 
13,880

 
(4,862
)
 
2005
 
(A)
2401 Walsh Street
Silicon Valley
 

  
5,775

 

 
19,267

 
37

 

 
5,775

 

 
19,304

 
25,079

 
(7,589
)
 
2005
 
(A)
2403 Walsh Street
Silicon Valley
 

  
5,514

 

 
11,695

 
48

 

 
5,514

 

 
11,743

 
17,257

 
(4,908
)
 
2005
 
(A)
200 North Nash Street
Los Angeles
 

  
4,562

 

 
12,503

 
232

 

 
4,562

 

 
12,735

 
17,297

 
(5,809
)
 
2005
 
(A)
731 East Trade Street
Charlotte
 
2,916

(1) 
1,748

 

 
5,727

 
257

 

 
1,748

 

 
5,984

 
7,732

 
(2,233
)
 
2005
 
(A)
113 North Myers
Charlotte
 

  
1,098

 

 
3,127

 
2,069

 

 
1,098

 

 
5,196

 
6,294

 
(2,186
)
 
2005
 
(A)
125 North Myers
Charlotte
 

  
1,271

 

 
3,738

 
6,180

 

 
1,271

 

 
9,918

 
11,189

 
(7,186
)
 
2005
 
(A)
Paul van Vlissingenstraat 16
Amsterdam
 

  

 

 
15,255

 
22,772

 

 

 

 
38,027

 
38,027

 
(14,472
)
 
2005
 
(A)
600-780 S. Federal
Chicago
 

  
7,849

 

 
27,881

 
33,802

 

 
7,849

 

 
61,683

 
69,532

 
(15,304
)
 
2005
 
(A)
115 Second Avenue
Boston
 

  
1,691

 

 
12,569

 
11,458

 

 
1,691

 

 
24,027

 
25,718

 
(14,222
)
 
2005
 
(A)
Chemin de l’Epinglier 2
Geneva
 

  

 

 
20,071

 
(2,171
)
 

 

 

 
17,900

 
17,900

 
(6,585
)
 
2005
 
(A)
7500 Metro Center Drive
Austin
 

  
1,177

 

 
4,877

 
68,296

 

 
1,177

 

 
73,173

 
74,350

 
(8,207
)
 
2005
 
(A)
3 Corporate Place
New York
 

  
1,543

 

 
12,678

 
85,251

 

 
1,543

 

 
97,929

 
99,472

 
(76,002
)
 
2005
 
(A)
1115 Centennial Avenue
New York
 

 
581

 

 

 
42,222

 

 
581

 

 
42,222

 
42,803

 

 
2005
 
(C)
4025 Midway Road
Dallas
 

  
2,196

 

 
14,037

 
28,773

 

 
2,196

 

 
42,810

 
45,006

 
(27,510
)
 
2006
 
(A)
Clonshaugh Industrial Estate
Dublin
 

  

 
1,444

 
5,569

 
963

 

 

 
87

 
7,889

 
7,976

 
(4,804
)
 
2006
 
(A)
6800 Millcreek Drive
Toronto
 

  
1,657

 

 
11,352

 
2,279

 

 
1,657

 

 
13,631

 
15,288

 
(5,904
)
 
2006
 
(A)
101 Aquila Way
Atlanta
 

  
1,480

 

 
34,797

 
45

 

 
1,480

 

 
34,842

 
36,322

 
(12,631
)
 
2006
 
(A)
Digital Houston
Houston
 

  
6,965

 

 
23,492

 
145,603

 

 
6,965

 

 
169,095

 
176,060

 
(46,323
)
 
2006
 
(A)
120 E Van Buren
Phoenix
 

  
4,524

 

 
157,822

 
109,068

 

 
4,524

 

 
266,890

 
271,414

 
(115,072
)
 
2006
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gyroscoopweg 2E-2F
Amsterdam
 

 

 

 
13,450

 
(2,374
)
 

 

 

 
11,076

 
11,076

 
(4,168
)
 
2006
 
(A)
Clonshaugh Industrial Estate II
Dublin
 

 

 

 

 
72,561

 

 

 

 
72,561

 
72,561

 
(35,184
)
 
2006
 
(C)
600 Winter Street
Boston
 

 
1,429

 

 
6,228

 
456

 

 
1,429

 

 
6,684

 
8,113

 
(2,134
)
 
2006
 
(A)
2300 NW 89th Place
Miami
 

 
1,022

 

 
3,767

 
19

 

 
1,022

 

 
3,786

 
4,808

 
(1,568
)
 
2006
 
(A)
2055 East Technology Circle
Phoenix
 

 

 

 
8,519

 
27,622

 

 

 

 
36,141

 
36,141

 
(24,871
)
 
2006
 
(A)
Unit 9, Blanchardstown Corporate Park
Dublin
 

 
1,927

 

 
40,024

 
14,822

 

 
1,523

 

 
55,250

 
56,773

 
(18,759
)
 
2006
 
(A)
111 8th Avenue
New York
 

 

 

 
17,688

 
18,687

 

 

 

 
36,375

 
36,375

 
(28,345
)
 
2006
 
(A)
8100 Boone Boulevard
N. Virginia
 

 

 

 
158

 
1,211

 

 

 

 
1,369

 
1,369

 
(1,200
)
 
2006
 
(A)
21110 Ridgetop Circle
N. Virginia
 

 
2,934

 

 
14,311

 
1,307

 

 
2,934

 

 
15,618

 
18,552

 
(5,246
)
 
2007
 
(A)
3011 Lafayette Street
Silicon Valley
 

 
3,354

 

 
10,305

 
49,447

 

 
3,354

 

 
59,752

 
63,106

 
(44,952
)
 
2007
 
(A)
44470 Chilum Place
N. Virginia
 

 
3,531

 

 
37,360

 
1

 

 
3,531

 

 
37,361

 
40,892

 
(10,092
)
 
2007
 
(A)
43881 Devin Shafron Drive
N. Virginia
 

 
4,653

 

 
23,631

 
92,840

 

 
4,653

 

 
116,471

 
121,124

 
(80,752
)
 
2007
 
(A)
43831 Devin Shafron Drive
N. Virginia
 

 
3,027

 

 
16,247

 
1,366

 

 
3,027

 

 
17,613

 
20,640

 
(5,181
)
 
2007
 
(A)
43791 Devin Shafron Drive
N. Virginia
 

 
3,490

 

 
17,444

 
76,648

 

 
3,490

 

 
94,092

 
97,582

 
(46,167
)
 
2007
 
(A)
Mundells Roundabout
London
 

 
31,354

 

 

 
38,956

 

 
19,670

 

 
50,640

 
70,310

 
(10,514
)
 
2007
 
(C)
1 Solutions Parkway
St. Louis
 

 
3,301

 

 
20,639

 
1,460

 

 
3,301

 

 
22,099

 
25,400

 
(6,304
)
 
2007
 
(A)
1500 Space Park Drive
Silicon Valley
 

 
6,732

 

 
6,325

 
46,136

 

 
4,106

 

 
55,087

 
59,193

 
(45,440
)
 
2007
 
(A)
Cressex 1
London
 

 
3,629

 

 
9,036

 
17,681

 

 
2,372

 

 
27,974

 
30,346

 
(15,888
)
 
2007
 
(A)
Naritaweg 52
Amsterdam
 

 

 
1,192

 
23,441

 
(6,745
)
 

 

 
860

 
17,028

 
17,888

 
(4,643
)
 
2007
 
(A)
1 St. Anne’s Boulevard
London
 

 
1,490

 

 
1,045

 
(860
)
 

 
944

 

 
731

 
1,675

 
(168
)
 
2007
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2 St. Anne’s Boulevard
London
 

 
922

 

 
695

 
31,421

 

 
629

 

 
32,409

 
33,038

 
(4,463
)
 
2007
 
(A)
3 St. Anne’s Boulevard
London
 

 
22,079

 

 
16,351

 
74,745

 

 
13,870

 

 
99,305

 
113,175

 
(43,075
)
 
2007
 
(A)
365 South Randolphville Road
New York
 

 
3,019

 

 
17,404

 
285,554

 

 
3,019

 

 
302,958

 
305,977

 
(90,405
)
 
2008
 
(A)
701 & 717 Leonard Street
Dallas
 

 
2,165

 

 
9,934

 
835

 

 
2,165

 

 
10,769

 
12,934

 
(2,563
)
 
2008
 
(A)
Manchester Technopark
Manchester
 

 

 

 
23,918

 
(8,672
)
 

 

 

 
15,246

 
15,246

 
(3,720
)
 
2008
 
(A)
1201 Comstock Street
Silicon Valley
 

 
2,093

 

 
1,606

 
26,767

 

 
3,398

 

 
27,068

 
30,466

 
(16,276
)
 
2008
 
(A)
1550 Space Park Drive
Silicon Valley
 

 
2,301

 

 
766

 
2,625

 

 
2,056

 

 
3,636

 
5,692

 

 
2008
 
(A)
1525 Comstock Street
Silicon Valley
 

 
2,293

 

 
16,216

 
30,780

 

 
2,061

 

 
47,228

 
49,289

 
(27,042
)
 
2008
 
(C)
43830 Devin Shafron Drive
N. Virginia
 

 
5,509

 

 

 
73,667

 

 
5,509

 

 
73,667

 
79,176

 
(30,048
)
 
2009
 
(C)
1232 Alma Road
Dallas
 

 
2,267

 

 
3,740

 
63,893

 

 
2,266

 

 
67,634

 
69,900

 
(32,135
)
 
2009
 
(A)
900 Quality Way
Dallas
 

 
1,446

 

 
1,659

 
69,396

 

 
1,446

 

 
71,055

 
72,501

 
(13,853
)
 
2009
 
(A)
1210 Integrity Drive
Dallas
 

 
2,041

 

 
3,389

 
100,985

 

 
3,796

 

 
102,619

 
106,415

 
(29
)
 
2009
 
(A)
907 Security Row
Dallas
 

 
333

 

 
344

 
98,890

 

 
2,112

 

 
97,455

 
99,567

 
(2,790
)
 
2009
 
(A)
908 Quality Way
Dallas
 

 
6,730

 

 
4,493

 
13,778

 

 
2,067

 

 
22,934

 
25,001

 
(15,103
)
 
2009
 
(A)
904 Quality Way
Dallas
 

 
760

 

 
744

 
6,818

 

 
1,151

 

 
7,171

 
8,322

 
(814
)
 
2009
 
(A)
1215 Integrity Drive
Dallas
 

 

 

 

 
44,353

 

 
1,921

 

 
42,432

 
44,353

 
(11,315
)
 
2009
 
(C)
1350 Duane & 3080 Raymond
Silicon Valley
 

 
7,081

 

 
69,817

 
61

 

 
7,081

 

 
69,878

 
76,959

 
(12,978
)
 
2009
 
(A)
45901 & 45845 Nokes Boulevard
N. Virginia
 

 
3,437

 

 
28,785

 
450

 

 
3,437

 

 
29,235

 
32,672

 
(5,737
)
 
2009
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
21561 & 21571 Beaumeade Circle
N. Virginia
 

 
3,966

 

 
24,211

 
45

 

 
3,966

 

 
24,256

 
28,222

 
(4,389
)
 
2009
 
(A)
60 & 80 Merritt
New York
 

 
3,418

 

 
71,477

 
92,086

 

 
3,418

 

 
163,563

 
166,981

 
(28,851
)
 
2010
 
(A)
55 Middlesex
Boston
 

 
9,975

 

 
68,363

 
8,793

 

 
9,975

 

 
77,156

 
87,131

 
(19,299
)
 
2010
 
(A)
128 First Avenue
Boston
 

 
5,465

 

 
185,348

 
31,509

 

 
5,465

 

 
216,857

 
222,322

 
(53,084
)
 
2010
 
(A)
Cateringweg 5
Amsterdam
 

 

 
3,518

 
3,517

 
35,249

 

 

 
3,023

 
39,261

 
42,284

 
(5,866
)
 
2010
 
(A)
1725 Comstock Street
Silicon Valley
 

 
3,274

 

 
6,567

 
38,002

 

 
3,274

 

 
44,569

 
47,843

 
(19,201
)
 
2010
 
(A)
3105 Alfred Street
Silicon Valley
 

 
6,533

 

 
3,725

 
58,227

 

 
6,801

 

 
61,684

 
68,485

 
(22,043
)
 
2010
 
(A)
365 Main Street
San Francisco
 

 
22,854

 

 
158,709

 
23,962

 

 
22,854

 

 
182,671

 
205,525

 
(40,034
)
 
2010
 
(A)
720 2nd Street
San Francisco
 

 
3,884

 

 
116,861

 
9,644

 

 
3,884

 

 
126,505

 
130,389

 
(24,909
)
 
2010
 
(A)
2260 East El Segundo
Los Angeles
 

 
11,053

 

 
51,397

 
14,310

 

 
11,053

 

 
65,707

 
76,760

 
(15,223
)
 
2010
 
(A)
2121 South Price Road
Phoenix
 

 
7,335

 

 
238,452

 
203,628

 

 
7,335

 

 
442,080

 
449,415

 
(88,460
)
 
2010
 
(A)
4030 Lafayette
N. Virginia
 

 
2,492

 

 
16,912

 
3,871

 

 
2,492

 

 
20,783

 
23,275

 
(4,646
)
 
2010
 
(A)
4040 Lafayette
N. Virginia
 

 
1,246

 

 
4,267

 
24,510

 

 
1,246

 

 
28,777

 
30,023

 
(2,762
)
 
2010
 
(A)
4050 Lafayette
N. Virginia
 

 
1,246

 

 
4,371

 
35,110

 

 
1,246

 

 
39,481

 
40,727

 
(16,862
)
 
2010
 
(A)
2805 Lafayette Street
Silicon Valley
 

 
8,976

 

 
18,155

 
128,065

 

 
8,294

 

 
146,902

 
155,196

 
(17,415
)
 
2010
 
(A)
29A International Business Park
Singapore
 

 

 

 
137,545

 
190,103

 

 

 

 
327,648

 
327,648

 
(76,738
)
 
2010
 
(A)
43940 Digital Loudoun Plaza
N. Virginia
 

 
6,229

 

 

 
255,687

 

 
6,323

 

 
255,593

 
261,916

 
(42,870
)
 
2011
 
(C)
44060 Digital Loudoun Plaza
N. Virginia
 

 
3,700

 

 

 
187,637

 

 
3,441

 

 
187,896

 
191,337

 
(10,721
)
 
2011
 
(C)
44100 Digital Loudoun Plaza
N. Virginia
 

 
3,700

 

 

 
128,634

 

 
3,750

 

 
128,584

 
132,334

 
(1,139
)
 
2011
 
(C)
43780 Digital Loudoun Plaza
N. Virginia
 

 
3,671

 

 

 
52,214

 

 
4,633

 

 
51,252

 
55,885

 
(139
)
 
2011
 
(C)
1-11 Templar Road
Sydney
 

 
6,937

 

 

 
62,024

 

 
4,550

 

 
64,411

 
68,961

 
(9,346
)
 
2011
 
(C)
13-23 Templar Road
Sydney
 
 
 
4,236

 

 

 
426

 

 
3,424

 

 
1,238

 
4,662

 

 
2011
 
(C)
Fountain Court
London
 

 
7,544

 

 
12,506

 
90,541

 

 
6,145

 

 
104,446

 
110,591

 
(12,647
)
 
2011
 
(A)
72 Radnor Drive
Melbourne
 

 
2,568

 

 

 
53,962

 

 
1,805

 

 
54,725

 
56,530

 
(5,163
)
 
2011
 
(C)
98 Radnor Drive
Melbourne
 

 
1,899

 

 

 
36,164

 

 
1,375

 

 
36,688

 
38,063

 
(10,242
)
 
2011
 
(C)
105 Cabot Street
Boston
 

 
2,386

 

 

 
58,844

 

 
2,427

 

 
58,803

 
61,230

 
(5,502
)
 
2011
 
(C)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
PROPERTIES:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3825 NW Aloclek Place
Portland
 

  
1,689

 

 

 
57,103

 

 
1,689

 

 
57,103

 
58,792

 
(14,163
)
 
2011
 
(C)
11085 Sun Center Drive
Sacramento
 

  
2,490

 

 
21,509

 
1

 

 
2,490

 

 
21,510

 
24,000

 
(3,253
)
 
2011
 
(A)
Profile Park
Dublin
 

  
6,288

 

 

 
39,505

 

 
5,205

 

 
40,588

 
45,793

 
(1,321
)
 
2011
 
(C)
1506 & 44874 Moran Road
N. Virginia
 

  
1,527

 

 

 
17,185

 

 
1,115

 

 
17,597

 
18,712

 
(1,800
)
 
2011
 
(A)
760 Doug Davis Drive
Atlanta
 

  
4,837

 

 
53,551

 
3,086

 

 
4,837

 

 
56,637

 
61,474

 
(9,862
)
 
2011
 
(A)
360 Spear Street
San Francisco
 

  
19,828

 

 
56,733

 
(771
)
 

 
19,828

 

 
55,962

 
75,790

 
(10,532
)
 
2011
 
(A)
2501 S. State Hwy 121
Dallas
 

  
23,137

 

 
93,943

 
17,189

 

 
23,137

 

 
111,132

 
134,269

 
(22,488
)
 
2012
 
(A)
9333 Grand Avenue
Chicago
 

  
5,686

 

 
14,515

 
76,939

 

 
1,205

 

 
95,935

 
97,140

 
(21,486
)
 
2012
 
(A)
9355 Grand Avenue
Chicago
 

 
 
 

 

 
224,912

 

 
2,518

 

 
222,394

 
224,912

 
(7,330
)
 
2012
 
(A)
9377 Grand Avenue
Chicago
 

 
 
 

 

 
75,821

 

 
2,248

 

 
73,573

 
75,821

 
(38
)
 
2012
 
(A)
8025 North Interstate 35
Austin
 


2,920

 

 
8,512

 
185

 

 
2,920

 

 
8,697

 
11,617

 
(1,305
)
 
2012
 
(A)
850 E Collins
Dallas
 

  
1,614

 

 

 
83,041

 

 
1,614

 

 
83,041

 
84,655

 
(10,903
)
 
2012
 
(C)
950 E Collins
Dallas
 

  
1,546

 

 

 
74,874

 

 
1,546

 

 
74,874

 
76,420

 
(6,421
)
 
2012
 
(C)
400 S. Akard
Dallas
 

  
10,075

 

 
62,730

 
1,902

 

 
10,075

 

 
64,632

 
74,707

 
(7,910
)
 
2012
 
(A)
410 Commerce Boulevard
New York
 

  

 

 

 
29,784

 

 

 

 
29,784

 
29,784

 
(8,027
)
 
2012
 
(C)
Croydon
London
 

  
1,683

 

 
104,728

 
34,197

 

 
2,203

 

 
138,405

 
140,608

 
(17,161
)
 
2012
 
(A)
Watford
London
 

  

 
7,355

 
219,273

 
(15,784
)
 

 

 
6,043

 
204,801

 
210,844

 
(24,862
)
 
2012
 
(A)
Unit 21 Goldsworth Park
London
 

  
17,334

 

 
928,129

 
(218,845
)
 

 
12,327

 

 
714,291

 
726,618

 
(93,086
)
 
2012
 
(A)
11900 East Cornell
Denver
 

  
3,352

 

 
80,640

 
2,059

 

 
3,352

 

 
82,699

 
86,051

 
(11,645
)
 
2012
 
(A)
701 Union Boulevard
New York
 

  
10,045

 

 
6,755

 
26,299

 

 
10,045

 

 
33,054

 
43,099

 

 
2012
 
(A)
23 Waterloo Road
Sydney
 

  
7,112

 

 
3,868

 
(3,366
)
 

 
4,932

 

 
2,682

 
7,614

 
(310
)
 
2012
 
(A)
1 Rue Jean-Pierre
Paris
 

  
9,621

 

 
35,825

 
(9,218
)
 

 
7,669

 

 
28,559

 
36,228

 
(4,143
)
 
2012
 
(A)
Liet-dit le Christ de Saclay
Paris
 

  
3,402

 

 
3,090

 
(1,317
)
 

 
2,712

 

 
2,463

 
5,175

 
(461
)
 
2012
 
(A)
127 Rue de Paris
Paris
 

  
8,637

 

 
10,838

 
(3,950
)
 

 
6,886

 

 
8,639

 
15,525

 
(1,559
)
 
2012
 
(A)
17201 Waterview Parkway
Dallas
 

  
2,070

 

 
6,409

 
(1
)
 

 
2,070

 

 
6,408

 
8,478

 
(825
)
 
2013
 
(A)
1900 S. Price Road
Phoenix
 

  
5,380

 

 
16,975

 
486

 

 
5,398

 

 
17,443

 
22,841

 
(1,815
)
 
2013
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
371 Gough Road
Toronto
 

  
7,394

 
 
 
677

 
88,306

 

 
6,014

 

 
90,363

 
96,377

 
(4,305
)
 
2013
 
(A)
1500 Towerview Road
Minneapolis
 

  
10,190

 
 
 
20,054

 
3,191

 

 
10,190

 

 
23,245

 
33,435

 
(3,029
)
 
2013
 
(A)
Principal Park
London
 

  
11,837

 
 
 

 
101,915

 

 
12,044

 

 
101,708

 
113,752

 
(3,890
)
 
2013
 
(C)
MetCenter Business Park
Austin
 

  
8,604

 
 
 
20,314

 
395

 

 
8,604

 

 
20,709

 
29,313

 
(3,043
)
 
2013
 
(A)
Liverpoolweg 10
Amsterdam
 

  
733

 
 
 
3,122

 
8,138

 

 
591

 

 
11,402

 
11,993

 
(1,183
)
 
2013
 
(A)
DePresident
Amsterdam
 

  
6,737

 
 
 

 
30,369

 

 
7,030

 

 
30,076

 
37,106

 

 
2013
 
(C)
Digital Osaka
Osaka
 

  
9,649

 
 
 

 
43,689

 

 
9,043

 

 
44,295

 
53,338

 

 
2013
 
(C)
Crawley 2
London
 

 
24,305

 
 
 

 
1,227

 

 
18,502

 

 
7,030

 
25,532

 
(190
)
 
2014
 
(C)
Digital Deer Park 3
Melbourne
 

 
1,600

 

 

 
32

 

 
1,630

 

 
2

 
1,632

 

 
2015
 
(C)
3 Loyang Way
Singapore
 

 

 

 

 
110,303

 

 

 

 
110,303

 
110,303

 
(320
)
 
2015
 
(A)
Digital Loudoun III
N. Virginia
 

 
43,000

 

 

 
26,278

 

 
51,673

 

 
17,605

 
69,278

 
(10
)
 
2015
 
(C)
Digital Frankfurt
Frankfurt
 

 
5,543

 

 

 
7,884

 

 
8,266

 

 
5,161

 
13,427

 

 
2015
 
(C)
56 Marietta Street
Atlanta
 

 
1,700

 

 
211,397

 
7,329

 

 
1,700

 

 
218,726

 
220,426

 
(10,882
)
 
2015
 
(A)
2 Peekay Drive
New York
 

 

 

 
115,439

 
5,072

 

 

 

 
120,511

 
120,511

 
(8,637
)
 
2015
 
(A)
100 Delawanna Avenue
New York
 

 
3,600

 

 
85,438

 
3,400

 

 
3,600

 

 
88,838

 
92,438

 
(3,985
)
 
2015
 
(A)
60 Hudson Street
New York
 

 

 

 
32,280

 
4,249

 

 

 

 
36,529

 
36,529

 
(4,064
)
 
2015
 
(A)
32 Avenue of the Americas
New York
 

 

 

 
30,980

 
1,368

 

 

 

 
32,348

 
32,348

 
(2,765
)
 
2015
 
(A)
3433 S 120th Place
Seattle
 

 

 

 
11,688

 
1,387

 

 

 

 
13,075

 
13,075

 
(2,074
)
 
2015
 
(A)
8435 Stemmons Freeway
Dallas
 

 

 

 
5,023

 
1,425

 

 

 

 
6,448

 
6,448

 
(841
)
 
2015
 
(A)
2625 Walsh Avenue
Silicon Valley
 

 

 

 
4,276

 
2,648

 

 

 

 
6,924

 
6,924

 
(550
)
 
2015
 
(A)
111 8th Avenue - Telx
New York
(2) 

 

 

 
42,454

 
5,433

 
 
 

 

 
47,887

 
47,887

 
(6,506
)
 
2015
 
(A)
350 East Cermak Road - Telx
Chicago
(2) 

 

 

 
13,933

 
2,180

 

 

 

 
16,113

 
16,113

 
(1,749
)
 
2015
 
(A)
200 Paul Avenue - Telx
San Francisco
(2) 

 

 

 
6,719

 
1,160

 

 

 

 
7,879

 
7,879

 
(958
)
 
2015
 
(A)
2323 Bryan Street - Telx
Dallas
(2) 

 

 

 
5,191

 
1,725

 

 

 

 
6,916

 
6,916

 
(853
)
 
2015
 
(A)
600 W. 7th Street - Telx
Los Angeles
(2) 

 

 

 
3,689

 
498

 

 

 

 
4,187

 
4,187

 
(506
)
 
2015
 
(A)
3825 NW Aloclek Place - Telx
Portland
(2) 

 

 

 
3,131

 
835

 

 

 

 
3,966

 
3,966

 
(364
)
 
2015
 
(A)
120 E. Van Buren Street - Telx
Phoenix
(2) 

 

 

 
2,848

 
765

 

 

 

 
3,613

 
3,613

 
(383
)
 
2015
 
(A)
36 NE 2nd Street - Telx
Miami
(2) 

 

 

 
1,842

 
649

 

 

 

 
2,491

 
2,491

 
(353
)
 
2015
 
(A)
600-780 S. Federal Street - Telx
Chicago
(2) 

 

 

 
1,815

 
1,682

 

 

 

 
3,497

 
3,497

 
(293
)
 
2015
 
(A)
 
Metropolitan
Area
 
Encumbrances
 
Initial costs
 
Costs capitalized
subsequent to
acquisition
 
Total costs
 
Accumulated
depreciation
and
amortization
 
Date of
acquisition
or
construction
 
Acquisition
(A) or
construction
(C)
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Improvements
 
Carrying
costs
 
Land
 
Acquired
ground
lease
 
Buildings and
improvements
 
Total
 
113 N. Myers Street - Telx
Charlotte
(2) 

 

 

 
476

 
40

 

 

 

 
516

 
516

 
(75
)
 
2015
 
(A)
1100 Space Park Drive - Telx
Silicon Valley
(2) 

 

 

 
352

 
109

 

 

 

 
461

 
461

 
(61
)
 
2015
 
(A)
300 Boulevard East - Telx
New York
(2) 

 

 

 
197

 
25

 

 

 

 
222

 
222

 
(57
)
 
2015
 
(A)
Science Park
Amsterdam
(3) 

 
665

 

 
75,095

 
15,671

 

 
631

 

 
90,800

 
91,431

 
(903
)
 
2016
 
(A)
Sovereign House
London
(3) 

 
7,943

 

 
44,114

 
(2,095
)
 

 
7,527

 

 
42,435

 
49,962

 
(2,188
)
 
2016
 
(A)
Amstel Business Park
Amsterdam
(3) 

 
2,991

 

 
58,138

 
2,184

 

 
2,840

 

 
60,473

 
63,313

 
(2,587
)
 
2016
 
(A)
Olivers Yard
London
(3) 

 
7,943

 

 
34,744

 
(2,099
)
 

 
7,527

 

 
33,061

 
40,588

 
(1,782
)
 
2016
 
(A)
Bonnington House
London
(3) 

 

 

 
14,127

 
(252
)
 

 

 

 
13,875

 
13,875

 
(1,094
)
 
2016
 
(A)
West Drayton
London
(3) 

 

 

 
10,135

 
(330
)
 

 

 

 
9,805

 
9,805

 
(832
)
 
2016
 
(A)
Lyonerstrasse
Frankfurt
(3) 

 

 

 
8,407

 
(393
)
 

 

 

 
8,014

 
8,014

 
(586
)
 
2016
 
(A)
Meridian Gate
London
(3) 

 

 

 
5,893

 
(255
)
 

 

 

 
5,638

 
5,638

 
(445
)
 
2016
 
(A)
NE Corner of Campbell Road and Ferris Road
Dallas
 

 
16,542

 

 

 
230

 

 
16,772

 

 

 
16,772

 

 
2016
 
(C)
9401 West Grand Avenue
Chicago
 

 
12,500

 

 

 
973

 

 
13,430

 

 
43

 
13,473

 

 
2016
 
(C)
Broad Run Technology Park
N. Virginia
 

 
18,019

 

 

 
5,422

 

 
23,314

 

 
127

 
23,441

 

 
2016
 
(C)
Other
 
 

  
8,298

 
 
 

 
94,343

 

 

 

 
102,641

 
102,641

 
(14,485
)
 
 
 
 
 
 
 
2,916

 
786,205

 
14,986

 
5,231,322

 
5,525,956

 
(5,900
)
 
746,822

 
11,335

 
10,800,312

 
11,558,469

 
(2,668,509
)
 
 
 
 
(1)
The balance shown excludes an unamortized premium of $334.
(2)
Represents properties acquired in the Telx Acquisition.
(3)
Represents properties acquired in the European Portfolio Acquisition.
(1) Tax Cost
The aggregate gross cost of the Company’s properties for federal income tax purposes approximated $13.4 billion (unaudited) as of December 31, 2016.

(2) Historical Cost and Accumulated Depreciation and Amortization
The following table reconciles the historical cost of the Company’s properties for financial reporting purposes for each of the years in the three-year period ended December 31, 2016.
 
Year Ended December 31,
 
2016
 
2015
 
2014
Balance, beginning of year
$
10,915,373

 
$
9,982,612

 
$
9,879,578

Additions during period (acquisitions and improvements)
760,051

 
1,133,263

 
560,307

Deductions during period (dispositions, impairments and assets held for sale)
(116,955
)
 
(200,502
)
 
(457,273
)
Balance, end of year
$
11,558,469

 
$
10,915,373

 
$
9,982,612

The following table reconciles accumulated depreciation and amortization of the Company’s properties for financial reporting purposes for each of the years in the three-year period ended December 31, 2016.
 
Year Ended December 31,
 
2016
 
2015
 
2014
Balance, beginning of year
$
2,251,268

 
$
1,874,054

 
$
1,565,996

Additions during period (depreciation and amortization expense)
461,506

 
429,057

 
413,652

Deductions during period (dispositions and assets held for sale)
(44,265
)
 
(51,843
)
 
(105,594
)
Balance, end of year
$
2,668,509

 
$
2,251,268

 
$
1,874,054

Schedules other than those listed above are omitted because they are not applicable or the information required is included in the consolidated financial statements or the notes thereto.