SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000860546-21-000010
Filing Date
2021-02-12
Accepted
2021-02-12 16:40:02
Documents
131
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K ofc-20201231.htm   iXBRL 10-K 6769757
2 EX-10.10 copt12312020ex1010.htm EX-10.10 36767
3 EX-21.1 copt12312020ex211.htm EX-21.1 121626
4 EX-21.2 copt12312020ex212.htm EX-21.2 120072
5 EX-23.1 copt12312020ex231.htm EX-23.1 2268
6 EX-23.2 copt12312020ex232.htm EX-23.2 2162
7 EX-31.1 copt12312020ex311.htm EX-31.1 15270
8 EX-31.2 copt12312020ex312.htm EX-31.2 15248
9 EX-31.3 copt12312020ex313.htm EX-31.3 14833
10 EX-31.4 copt12312020ex314.htm EX-31.4 14649
11 EX-32.1 copt12312020ex321.htm EX-32.1 5634
12 EX-32.2 copt12312020ex322.htm EX-32.2 5591
13 EX-32.3 copt12312020ex323.htm EX-32.3 5538
14 EX-32.4 copt12312020ex324.htm EX-32.4 5675
20 ofc-20201231_g1.jpg GRAPHIC 125610
  Complete submission text file 0000860546-21-000010.txt   28355882

Data Files

Seq Description Document Type Size
15 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ofc-20201231.xsd EX-101.SCH 170276
16 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ofc-20201231_cal.xml EX-101.CAL 206450
17 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ofc-20201231_def.xml EX-101.DEF 955969
18 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ofc-20201231_lab.xml EX-101.LAB 1700435
19 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ofc-20201231_pre.xml EX-101.PRE 1126311
21 EXTRACTED XBRL INSTANCE DOCUMENT ofc-20201231_htm.xml XML 6436391
Mailing Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046
Business Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046 4432855400
CORPORATE OFFICE PROPERTIES TRUST (Filer) CIK: 0000860546 (see all company filings)

IRS No.: 232947217 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-14023 | Film No.: 21628562
SIC: 6798 Real Estate Investment Trusts
Office of Real Estate & Construction

Mailing Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046
Business Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046 443-285-5400
Corporate Office Properties, L.P. (Filer) CIK: 0001577966 (see all company filings)

IRS No.: 232930022 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 333-189188 | Film No.: 21628561
SIC: 6798 Real Estate Investment Trusts
Office of Real Estate & Construction