<SEC-DOCUMENT>0001104659-21-153955-index.html : 20211228
<SEC-HEADER>0001104659-21-153955.hdr.sgml : 20211228
<ACCEPTANCE-DATETIME>20211228164335
ACCESSION NUMBER:		0001104659-21-153955
CONFORMED SUBMISSION TYPE:	S-8 POS
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20211228
DATE AS OF CHANGE:		20211228
EFFECTIVENESS DATE:		20211228

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:		S-8 POS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-190142
		FILM NUMBER:		211525412

	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>S-8 POS
<SEQUENCE>1
<FILENAME>tm2136323d3_s8pos.htm
<DESCRIPTION>S-8 POS
<TEXT>
Document 1 - file: tm2136323d3_s8pos.htm

</DOCUMENT>
</SEC-DOCUMENT>