<SEC-DOCUMENT>0001104659-15-048069-index.html : 20150910
<SEC-HEADER>0001104659-15-048069.hdr.sgml : 20150910
<ACCEPTANCE-DATETIME>20150626164815
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-15-048069
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20150626

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:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312.646.2800

	MAIL ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 600
		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>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g148521bai001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g148521bai001.jpg

</DOCUMENT>
</SEC-DOCUMENT>