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Committee opens wide-ranging hearing on residential sprinklers; staff outline costs, benefits and next steps
Summary
Supervisor Kim convened an informational hearing on residential sprinkler regulations after recent deadly fires. Fire, building and water‑utility staff described how modern fires spread faster, which building types are currently covered by code, and the potential costs and infrastructure issues for retrofits. The committee filed the matter to the call of the chair for further study.
The Land Use & Transportation Committee held an extensive informational hearing on April 21 to examine San Francisco's regulatory framework for residential sprinklers following several recent, serious fires.
Supervisor Kim, whose district includes a large amount of older housing, said the hearing sought to "have a comprehensive understanding of the current regulatory framework that exists, the gaps in coverage, and the most viable way that we can make a residential building safer for our San Franciscans who live there." She cited recent fires that left people homeless and said sprinklers have been proven to save lives.
The San Francisco Fire Department opened with a demonstration video of a living‑room test fire that department presenters said showed modern furnishings can cause a room to become engulfed in under three minutes. The department emphasized that smoke alarms save lives but said sprinklers can suppress or contain fires earlier.
Department of Building Inspection staff described a complex patchwork of code requirements: new buildings built after February 2008 require full sprinklers; existing buildings' requirements vary by occupancy and building type (for example, SROs with 20 or more rooms were required to have sprinklers beginning in 2002; high‑rise buildings were required starting in 1994). DBI staff also highlighted retrofit challenges including water service upgrades, asbestos/lead abatement, concealed piping, tenant relocation and the administrative burden of wide‑scale retrofits.
The Public Utilities Commission summarized water‑service and connection costs, noting common jobs fall in a $10,000–$20,000 range for upgrades but rare site‑specific conditions (upsizing a mains segment) could add $100,000–$150,000. The PUC described limited pathways to finance work and emphasized many costs are borne by property owners.
Public commenters — tenant advocates, Mission SRO Collaborative members and housing and landlord representatives — urged the city to hold further study, protect tenants from displacement and pass‑throughs, and consider a task force. Several people with firsthand experience of building fires described how sprinklers or earlier suppression could have reduced damage and displacement.
Supervisor Kim moved to file the hearing to the call of the chair for additional work; Supervisor Wiener seconded. The motion carried unanimously. The discussion will continue in subsequent meetings or task‑force work as the committee and departments consider options including targeted retrofit requirements, financing options and tenant‑protection measures.
