This Act may be cited as the Shared Property Agency Collaboration and Engagement Act of 2025 or the SPACE Act of 2025.

(a) In general In carrying out section 2302 of the Thomas R. Carper Water Resources Development Act of 2024 (40 U.S.C. 584U.S. Code — Title 40, Section 584View official source on GovInfo note), the Administrator of the General Services Administration shall— (1) collaborate with tenants of federally-leased space to better identify concerns among Federal agencies around shared-space arrangements; (2) work to develop a criteria that would facilitate the expanded use of space-sharing or collocating; (3) identify how special-use spaces can be used to improve space-sharing or collocating; and (4) establish measurable objectives, in consultation with the tenants of federally-leased space, to quantify the success of shared-space arrangements among Federal agencies. (b) Briefing Not later than 6 months after the date of enactment of this Act, the Administrator shall brief the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Environment and Public Works of the Senate on the implementation of the requirements described in subsection (a).