Planning and zoning: housing development projects: urban lot splits: subdivisions: 2025 Eaton Wildfire: Altadena.

California SB1090 aims to update laws related to planning and zoning for housing development projects, particularly focusing on urban lot splits and subdivisions. It also addresses specific considerations in the wake of the 2025 Eaton Wildfire in Altadena. The bill seeks to facilitate the creation of more housing options in urban areas while ensuring safety and compliance with land use regulations.

CA SB1090 is a senate bill in the California 2025-2026 Regular Session, sponsored by Sasha Renee Perez (D), currently “Passed” since September 30, 2026.

We track 5,060 California bills this session, 49 of them sponsored by Sasha Renee Perez.

The key recorded vote (Senate, August 30, 2026) ended 37–0 and passed.

Supporters of SB1090 argue that this legislation is a crucial step towards increasing housing availability in urban areas, especially in the aftermath of devastating wildfires. They believe it will empower communities to make better use of their land and promote sustainable development practices that can help mitigate future wildfire risks.

Critics of SB1090 contend that the bill may lead to overdevelopment in vulnerable areas, potentially exacerbating fire risks and straining local resources. They express concerns that the push for more housing could undermine community character and environmental protections, prioritizing development over safety and quality of life.

Source: LegiScan roll call vote data.