The On-Site Services Act of 2025 establishes the On-Site Services Program, which aims to provide funding to qualifying housing providers for on-site services that promote resident stability, self-sufficiency, skill-building, and health. The program will be overseen by the Department of Human Services (DHS) and administered by a nonprofit organization selected by DHS. Qualifying housing providers must meet specific criteria, including having at least 20 dwelling units and a significant percentage of units leased to recipients of permanent housing subsidies. The program allows for grants of up to $200,000, with specific requirements for application and service provision.

Additionally, the bill outlines reporting requirements for grant recipients, ensuring accountability and transparency in the use of funds. Residents' participation in the services is voluntary, and their privacy is protected, as information cannot be shared without consent. The Mayor is granted rulemaking authority to implement the program, and the act will take effect following the inclusion of its fiscal impact in an approved budget.