    <SEC-DOCUMENT>0001213900-18-007140-index.html : 20180601
    <SEC-HEADER>0001213900-18-007140.hdr.sgml : 20180601
    <ACCEPTANCE-DATETIME>20180601161524
    ACCESSION NUMBER:		0001213900-18-007140
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		38
    CONFORMED PERIOD OF REPORT:	20180601
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180601
    DATE AS OF CHANGE:		20180601

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ONE LIBERTY PROPERTIES INC
    		CENTRAL INDEX KEY:			0000712770
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				133147497
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-09279
    		FILM NUMBER:		18875251

    	BUSINESS ADDRESS:
    		STREET 1:		60 CUTTER MILL RD
    		STREET 2:		SUITE 303
    		CITY:			GREAT NECK
    		STATE:			NY
    		ZIP:			11021-3190
    		BUSINESS PHONE:		5164663100

    	MAIL ADDRESS:
    		STREET 1:		60 CUTTER MILL ROAD
    		STREET 2:		SUITE 303
    		CITY:			GREAT NECK
    		STATE:			NY
    		ZIP:			11021-3190

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ONE LIBERTY FIRESTONE PROPERTIES INC
    		DATE OF NAME CHANGE:	19851112
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>f8k060118_oneliberty.htm
    <DESCRIPTION>CURRENT REPORT
    <TEXT>
    Document 1 - file: f8k060118_oneliberty.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>f8k060118ex99-1_oneliberty.htm
    <DESCRIPTION>PRESENTATION - JUNE 2018
    <TEXT>
    Document 2 - file: f8k060118ex99-1_oneliberty.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>slide001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: slide001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>slide002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: slide002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>slide003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: slide003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>slide004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: slide004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>slide005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: slide005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>slide006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: slide006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>slide007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: slide007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>slide008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: slide008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>slide009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: slide009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>slide010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: slide010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>slide011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: slide011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>slide012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: slide012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>slide013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: slide013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>slide014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: slide014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>slide015.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: slide015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>slide016.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: slide016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>slide017.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: slide017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>slide018.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: slide018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>slide019.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: slide019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>slide020.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: slide020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>slide021.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: slide021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>slide022.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: slide022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>slide023.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: slide023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>slide024.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: slide024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>slide025.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: slide025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>slide026.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: slide026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>slide027.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: slide027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>slide028.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: slide028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>slide029.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: slide029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>slide030.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: slide030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>slide031.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: slide031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>slide032.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: slide032.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>slide033.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: slide033.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>slide034.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: slide034.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>slide035.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: slide035.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>slide036.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: slide036.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>