August 23, 2024 Michael E. LaBelle Executive Vice President, Chief Financial Officer & Treasurer BXP, Inc. 800 Boylston Street, Suite 1900 Boston, MA 02199-8103 Re: BXP, Inc. Form 10-K for the Fiscal Year Ended December 31, 2023 Filed February 27, 2024 File No. 001-13087 Dear Michael E. LaBelle: We have reviewed your filing and have the following comments. Please respond to this letter within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe a comment applies to your facts and circumstances, please tell us why in your response. After reviewing your response to this letter, we may have additional comments. Form 10-K for the Fiscal Year Ended December 31, 2023 Item 2. Properties, page 48 1. We note that you own 160 office and life sciences properties. Please tell us, and in future filings, please break out the "Office and Life Sciences" category into office and laboratory/life sciences categories, similar to your breakdown for "Properties Under Construction/Redevelopment" on page 51. 2. We note your disclosure that you develop, own, and manage primarily "premier workplaces." For each of your properties, please tell us, and in future filings please disclose, the class of each building. 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. August 23, 2024 Page 2 Please contact Frank Knapp at 202-551-3805 or Mark Rakip at 202-551-3573 if you have questions regarding comments on the financial statements and related matters. Please contact Kibum Park at 202-551-6836 or Isabel Rivera at 202-551-3518 with any other questions. Sincerely, Division of Corporation Finance Office of Real Estate & Construction