The bill establishes a supplemental capital budget for the state of Washington, appropriating funds for various capital projects through June 30, 2027. It allocates specific amounts for projects such as the Cheney Project and Tumwater Area Access, with appropriations of $345,000 and $140,000 respectively. Additionally, it creates a work group to study and recommend a memorial on the capitol campus to honor service members who died in the global war on terror, with an appropriation of $14,000 for this purpose. The bill also amends existing appropriations for the Department of Commerce, increasing funding for economic opportunity grants, early learning facilities, high-efficiency electric appliance rebates, and behavioral health facilities. Significant amendments include increases in appropriations for various programs, such as the Ruth LeCocq Kagi early learning facilities development account, which rises from $81,128,000 to $88,428,000, and the Climate Commitment Account, which increases from $30,000,000 to $65,000,000.

Furthermore, the bill proposes substantial funding allocations for housing and clean energy initiatives, raising the total appropriation for housing initiatives from $103 million to $168 million. It includes provisions for grants or deferred loans to local governments and public utility districts to support affordable housing projects, with specific allocations such as $30 million for system development charges and utility improvements for low-income housing. The bill also emphasizes the importance of infrastructure improvements related to new affordable housing developments, ensuring alignment with comprehensive plans under the growth management act. Additionally, it introduces new sections that allocate funds for specific projects, including $10 million for multifamily building efficiency grants aimed at decarbonizing affordable housing, and $13.61 million for water quality projects, reflecting a comprehensive approach to addressing housing and environmental challenges in the state.