<SEC-DOCUMENT>0000834237-20-002221-index.html : 20200204
<SEC-HEADER>0000834237-20-002221.hdr.sgml : 20200204
<ACCEPTANCE-DATETIME>20200204121556
ACCESSION NUMBER:		0000834237-20-002221
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200204
DATE AS OF CHANGE:		20200204

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIBERTY PROPERTY TRUST
		CENTRAL INDEX KEY:			0000921112
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				237768996
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-43371
		FILM NUMBER:		20571886

	BUSINESS ADDRESS:	
		STREET 1:		650 EAST SWEDESFORD ROAD
		STREET 2:		SUITE 400
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		6106481700

	MAIL ADDRESS:	
		STREET 1:		650 EAST SWEDESFORD ROAD
		STREET 2:		SUITE 400
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROUSE & ASSOCIATES PROPERTY TRUST
		DATE OF NAME CHANGE:	19940421

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Inc.
		CENTRAL INDEX KEY:			0001364742
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				320174431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
		BUSINESS PHONE:		212-810-5300

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock, Inc.
		DATE OF NAME CHANGE:	20060929

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	New BlackRock, Inc.
		DATE OF NAME CHANGE:	20060601
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>us5311721048_020320.txt
<TEXT>
Document 1 - file: us5311721048_020320.txt

</DOCUMENT>
</SEC-DOCUMENT>