<SEC-DOCUMENT>0001140361-21-025516-index.html : 20210723
<SEC-HEADER>0001140361-21-025516.hdr.sgml : 20210723
<ACCEPTANCE-DATETIME>20210723170431
ACCESSION NUMBER:		0001140361-21-025516
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20210723
DATE AS OF CHANGE:		20210723

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Equity Commonwealth
		CENTRAL INDEX KEY:			0000803649
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				046558834
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-257626
		FILM NUMBER:		211111541

	BUSINESS ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312.646.2800

	MAIL ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CommonWealth REIT
		DATE OF NAME CHANGE:	20100702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HRPT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19980701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTH & RETIREMENT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19940811
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>nt10026422x5_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: nt10026422x5_424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>logo_cscacapital.jpg
<TEXT>
Document 2 - file: logo_cscacapital.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>logo_equity.jpg
<TEXT>
Document 3 - file: logo_equity.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>logo_jpmorgan.jpg
<TEXT>
Document 4 - file: logo_jpmorgan.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>logo_mreic2.jpg
<TEXT>
Document 5 - file: logo_mreic2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>logo_mreicx1.jpg
<TEXT>
Document 6 - file: logo_mreicx1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>sig_elandyx1.jpg
<TEXT>
Document 7 - file: sig_elandyx1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>sig_mprashad.jpg
<TEXT>
Document 8 - file: sig_mprashad.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>sig_oshifrin.jpg
<TEXT>
Document 9 - file: sig_oshifrin.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>sig_szellx1.jpg
<TEXT>
Document 10 - file: sig_szellx1.jpg

</DOCUMENT>
</SEC-DOCUMENT>