Alterations and Renovations (Subject to NPS Approval)

The contract authorizes structural or interior alterations to the Gowing-Clark House, with all work contingent upon receiving prior written approval from the National Park Service. The scope is limited to modifications that comply with preservation standards and are formally sanctioned by NPS, ensuring the historical integrity of the property is maintained. The work is classified as a subcontract under NAICS code 236220 for historic building construction and is targeted for performance in Concord, Massachusetts, with a zip code of 01742. The solicitation was posted on June 18, 2026, and responses must be submitted by 5:00 p.m. on July 17, 2026. The contracting entity is the Department of the Interior, specifically under the Northeast Region, and no set-aside provisions or organization type restrictions are specified. All activities must adhere strictly to NPS oversight, and any unauthorized changes are prohibited. The official point of contact details are not provided, and interested parties must reference the SAM.gov link for further instructions or updates.