UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported) November 29, 2006
        ------------------------------------------------------------------


                          ONE LIBERTY PROPERTIES, INC.
                          ----------------------------
               (Exact name of Registrant as specified in charter)


       Maryland                   001-09279                    13-3147497
       ------------------------------------------------------------------
       (State or other       (Commission file No.)          (IRS Employer
        jurisdiction of                                         I.D. No.)
          incorporation)


           60 Cutter Mill Road, Suite 303, Great Neck, New York 11021
           ----------------------------------------------------------
               (Address of principal executive offices) (Zip code)

        Registrant's telephone number, including area code: 516-466-3100

         Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

         --       Written communications pursuant to Rule 425 under the
Securities Act (17 CFR 230.425)

         --       Soliciting material pursuant to Rule 14a-12 under the Exchange
Act (17 CFR 240.14a-12)

        --        Pre-commencement communications pursuant to Rule 14d-2(b)
under the Exchange Act (17 CFR 240.14d-2(b))

        --        Pre-commencement communications pursuant to Rule 13e-4(c)
under the Exchange Act (17 CFR 240.13e-4(c))

===============================================================================

Item 1.01         Entry into a Material Definitive Agreement.

On November 8, 2006, registrant announced that OLP Baltimore LLC, a wholly-owned
subsidiary of the registrant ("Buyer"), entered into a Purchase and Sale
Agreement with FR Hollins Ferry, LLC ("Seller"), pursuant to which the Seller
agreed to sell, and the Buyer agreed to purchase, an industrial building
situated on approximately 28 acres in Baltimore, Maryland consisting of
approximately 367,000 square foot grade level space for a purchase price of
$32.2 million. The purchase and sale agreement was amended on November 21, 2006
to extend the due diligence period afforded to the Buyer through November 30,
2006 and to extend the closing date to December 7, 2006. On November 29, 2006,
the purchase and sale agreement was further amended to extend the due diligence
period through December 6, 2006 and to extend the closing date to December 14,
2006. The Buyer may terminate the contract within the due diligence period, as
extended, for any reason.

Reference is made to the registrant's 8-Ks filed on November 8, 2006 and
November 27, 2006.

Item 9.01.        Financial Statements and Exhibits.

(a) Financial Statements of Businesses Acquired.

         Not applicable.

(b) Pro Forma Financial Information.

         Not applicable.

(c) Shell Company Transactions.

         Not applicable.

(d) Exhibits.

    10.1     Second Amendment to Purchase and Sale Agreement, dated as of
             November 29, 2006, between FR Hollins Ferry, LLC and OLP Baltimore
             LLC.


Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                    ONE LIBERTY PROPERTIES, INC.



Date:     November 29, 2006         By: /s/ Simeon Brinberg
                                    -----------------------
                                    Simeon Brinberg
                                    Senior Vice President






                                                            EXHIBIT 10.1

                 SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT

         This Second Amendment to Purchase and Sale Agreement (this "Amendment")
is dated as of November 29, 2006 and is made by and between FR HOLLINS FERRY,
LLC, a Delaware limited liability company having an address at c/o SunTrust
Equity Funding, LLC, 303 Peachtree Street, 24th Floor, MC 3951, Atlanta, Georgia
30308 (the "Seller") and OLP BALTIMORE LLC, a Maryland limited liability company
having an address at 60 Cutter Mill Road, Suite 303, Great Neck, New York 11021
(the "Buyer").

                              W I T N E S S E T H :
                               - - - - - - - - - -

         WHEREAS, Seller and Buyer previously entered into that certain Purchase
and Sale Agreement dated November 6, 2006, as amended by First Amendment to
Purchase and Sale Agreement dated as of November 21, 2006 (the "Contract")
regarding the sale by Seller and the purchase by Buyer of the "Premises" (as
such term is defined in the Contract); and

         WHEREAS, Seller and Buyer now wish to further modify the Contract on
the terms herein provided.

         NOW, THEREFORE, in consideration of the mutual covenants herein
contained, the sufficiency of which being hereby acknowledged, the parties
hereto do hereby agree as follows:

         1. Capitalized terms. Capitalized terms used herein but not defined
herein shall have the respective meanings ascribed thereto in the Contract.

         2. Due Diligence Date. The "Due Diligence Date" (as originally defined
in Section 13 of the Contract and as previously extended by the First Amendment
to Purchase and Sale Agreement between the parties) is hereby further extended
from 5:00 p.m. local time in Baltimore, Maryland on November 30, 2006 to 5:00
p.m. local time in Baltimore, Maryland on Wednesday, December 6, 2006 with the
same force and effect as if December 6, 2006 were the Due Diligence Date
originally set forth in the Contract.

         3. Closing. As a result of the further extension of the Due Diligence
Date contained in Paragraph 2 above, the "Closing Date" set forth in Section 1
of the Contract (as previously extended by the First Amendment to Purchase and
Sale Agreement between the parties) is hereby further extended from December 7,
2006 to December 14, 2006, and the references to specific dates in Section 5c
and Section 8(ii) of the Contract are also modified to be references to
"December 14, 2006".

         4. Escrow Agent; SunTrust. Escrow Agent joins in the execution of this
Amendment to acknowledge and agree to the foregoing to the extent the Contract
modifications contained herein are deemed also to be a modification of that
certain Escrow Agreement dated November 6, 2006 among Seller, Buyer and Escrow
Agent. SunTrust Equity Funding, LLC joins in the execution of this Amendment to
consent to the foregoing and to acknowledge its continuing reaffirmation of the
Seller's representations and warranties set forth in Section 11 of the Contract
and its continuing liability for any damages permitted against Seller in favor
of Buyer pursuant to the indemnity contained in Section 29 of the Contract,
subject, however, to all of the qualifications, limitations and applicable time
periods set forth in the Contract.

         5. Ratification; Miscellaneous. Except as expressly modified by this
Amendment, the Contract remains unmodified and in full force and effect and is
hereby ratified and confirmed in all respects by the parties. This Amendment may
be executed in counterparts, all of which when taken together shall constitute
one and the same instrument, and this Amendment may be executed and delivered by
fax or email transmission with the same effect as if originals were exchanged.


         IN WITNESS WHEREOF, this First Amendment has been executed as of the
date first set forth above.

                        SELLER:

                        FR HOLLINS FERRY, LLC, a Delaware limited
                        liability company

                        By:  MRLL, LLC, a Delaware limited liability company,
                        its Sole Member

                                 By:  SunTrust Equity Funding, LLC, a Delaware
                                      limited liability company, its Sole Member

                                      By:
                                         --------------------------
                                         Name:
                                         Title:

                   [SIGNATURES CONTINUE ON THE FOLLOWING PAGE]



                        BUYER:

                        OLP BALTIMORE LLC, a Maryland limited liability company

                        By:
                            ----------------------------------
                            Name:
                            Title:




                        ESCROW AGENT:

                        LAWYERS TITLE INSURANCE CORPORATION

                        By:
                            ---------------------------------
                            Name:
                            Title:



                        SUNTRUST EQUITY FUNDING, LLC, a Delaware limited
                        liability company

                        By:
                           -----------------------------------
                           Name:
                           Title: