<SEC-DOCUMENT>0001075415-18-000023-index.html : 20180816
<SEC-HEADER>0001075415-18-000023.hdr.sgml : 20180816
<ACCEPTANCE-DATETIME>20180716114035
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001075415-18-000023
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180716

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SENIOR HOUSING PROPERTIES TRUST
		CENTRAL INDEX KEY:			0001075415
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				043445278
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
		BUSINESS PHONE:		(617) 796-8350

	MAIL ADDRESS:	
		STREET 1:		C/O THE RMR GROUP
		STREET 2:		TWO NEWTON PL., 255 WASH. ST., STE. 300
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>snhlogoa02.jpg
<TEXT>
Document 2 - file: snhlogoa02.jpg

</DOCUMENT>
</SEC-DOCUMENT>