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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TqTRqZil861U2i3znDPklIoXHLx3H16TfuESb3DjAoXWISX/BxY1908XJhddRTou
 yo4XBvu9Be8tavbmSL8KMQ==

<SEC-DOCUMENT>9999999997-07-020070.txt : 20070423
<SEC-HEADER>9999999997-07-020070.hdr.sgml : 20070423
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ACCESSION NUMBER:		9999999997-07-020070
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061231
FILED AS OF DATE:		20070419
DATE AS OF CHANGE:		20070423
EFFECTIVENESS DATE:		20070419

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:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15319
		FILM NUMBER:		07051200

	BUSINESS ADDRESS:	
		STREET 1:		400 CENTRE STREET
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
		BUSINESS PHONE:		6173323990
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This document was generated as part of a paper submission.
Please reference the Document Control Number 07051200 for access to the original document.
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