<SEC-DOCUMENT>0001558370-17-007560-index.html : 20171026
<SEC-HEADER>0001558370-17-007560.hdr.sgml : 20171026
<ACCEPTANCE-DATETIME>20171026071655
ACCESSION NUMBER:		0001558370-17-007560
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		22
CONFORMED PERIOD OF REPORT:	20171026
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171026
DATE AS OF CHANGE:		20171026

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CoreSite Realty Corp
		CENTRAL INDEX KEY:			0001490892
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		171154731

	BUSINESS ADDRESS:	
		STREET 1:		1001 17TH STREET
		STREET 2:		SUITE 500
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		(866) 777-2673

	MAIL ADDRESS:	
		STREET 1:		1001 17TH STREET
		STREET 2:		SUITE 500
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>f8-k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: f8-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex-99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: ex-99d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex-99d2.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 3 - file: ex-99d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ex-99d1g001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ex-99d1g001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ex-99d1g002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: ex-99d1g002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ex-99d1g003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: ex-99d1g003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ex-99d1g004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: ex-99d1g004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ex-99d2g001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: ex-99d2g001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ex-99d2g002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: ex-99d2g002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ex-99d2g003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: ex-99d2g003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ex-99d2g004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: ex-99d2g004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>ex-99d2g005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: ex-99d2g005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>ex-99d2g006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: ex-99d2g006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>ex-99d2g007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: ex-99d2g007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>ex-99d2g008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: ex-99d2g008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>ex-99d2g009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: ex-99d2g009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>ex-99d2g010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: ex-99d2g010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>ex-99d2g011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: ex-99d2g011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>ex-99d2g012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: ex-99d2g012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>ex-99d2g013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: ex-99d2g013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>ex-99d2g014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: ex-99d2g014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>ex-99d2g015.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: ex-99d2g015.jpg

</DOCUMENT>
</SEC-DOCUMENT>