<SEC-DOCUMENT>0001123292-17-001180-index.html : 20170621
<SEC-HEADER>0001123292-17-001180.hdr.sgml : 20170621
<ACCEPTANCE-DATETIME>20170621183231
ACCESSION NUMBER:		0001123292-17-001180
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170620
FILED AS OF DATE:		20170621
DATE AS OF CHANGE:		20170621

ISSUER:		

	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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EDELMAN MARTIN L
		CENTRAL INDEX KEY:			0001047252

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09317
		FILM NUMBER:		17923705

	MAIL ADDRESS:	
		STREET 1:		C/O PAUL HASTINGS JANOFSKY & WALKER LLP
		STREET 2:		75 EAST 55TH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: edgar.html

Document 1 - RAW XML: edgar.xml

</DOCUMENT>
</SEC-DOCUMENT>