EX-32.1 8 olp-20241231xex32d1.htm EX-32.1

EXHIBIT 32.1

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CERTIFICATION OF PRESIDENT AND CHIEF EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350

(SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002)

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The undersigned, Patrick J. Callan, Jr., does hereby certify to his knowledge, pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that based upon a review of the Annual Report on Form 10-K for the year ended December 31, 2024 of One Liberty Properties, Inc. (“the Registrant”), as filed with the Securities and Exchange Commission on the date hereof (the “Report”):

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

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Date: March 6, 2025 | /s/ PATRICK J. CALLAN, JR.
​ | Patrick J. Callan, Jr.
​ | President, Chief Executive Officer and Director

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