United States securities and exchange commission logo December 18, 2020 Michael McClure Chief Executive Officer SmartStop Self Storage REIT, Inc. 10 Terrace Road Ladera Ranch, CA 92694 Re: SmartStop Self Storage REIT, Inc. Form S-4 Filed December 11, 2020 File No. 333-251306 Dear Mr. McClure: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Stacie Gorman at 202-551-3585 with any questions. Sincerely, Division of Corporation Finance Office of Real Estate & Construction cc: Michael K. Rafter, Esq.