California HOME Act | |
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California State Legislature | |
Full name | California Housing Opportunity and More Efficiency Act |
Introduced | December 7, 2020 |
Assembly voted | August 26, 2021 |
Senate voted | August 30, 2021 |
Signed into law | September 16, 2021 |
Sponsor(s) | Sens. Toni Atkins, Anna Caballero, Susan Rubio, Scott Wiener, Dave Cortese, Lena Gonzalez, Mike McGuire; Assems. Robert A. Rivas, Buffy Wicks |
Governor | Gavin Newsom |
Code | Government Code |
Section | 66452.6, 66411.7, 65852.21 |
Resolution | SB 9 |
Website | https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=202120220SB9 |
Status: Current legislation |
2021 California Senate Bill 9 (SB 9),[1] titled the California Housing Opportunity and More Efficiency (HOME) Act, is a 2021 California state law which creates a legal process by which owners of certain single-family homes in single-family zoned areas may build or split homes on their property, and prohibits all cities and counties from directly interfering with those who wish to build such homes.
Initially, the law allowed property owners to either build two 800-square-foot homes or one duplex on their property, to result in a maximum of four housing units on a formerly single-family lot. The law has since been amended to, among other things, allow for the construction of up to eight detached ADUs on a single real property.
The bill was crafted to reduce the cost of housing in California by increasing housing supply and density within California cities and overriding municipal and county zoning laws requiring single-family zoning. The law also expands the capacity for secondary suites (also known in California as Accessory Dwelling Units - ADU's).