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    AB-306
    Housing & Homelessness

    Building regulations: state building standards.

    Engrossed
    CA
    ∙
    2025-2026 Regular Session
    1
    1
    Track
    Track

    Key Takeaways

    • Prohibits local governments from modifying residential building standards from 2025 to 2031 unless deemed emergency safety measures.
    • Centralizes building code authority with the California Building Standards Commission to streamline housing construction.
    • Requires all future homes based on an approved model design to follow the standards in effect when that model was approved.
    • Expands state building codes to include wildland-urban interface standards for fire safety.

    Summary

    Assembly Members Schultz and Rivas have proposed a six-year pause on local modifications to residential building standards in California, aiming to stabilize construction costs and increase housing production. The legislation would prohibit cities and counties from changing residential building requirements between June 2025 and June 2031, except in cases of emergency health and safety needs or home hardening measures.

    The bill restricts the California Building Standards Commission from considering or adopting new residential building standards during this period unless they meet specific criteria, such as emergency safety requirements or necessary updates to align with model codes. Local governments would retain the ability to implement previously approved modifications that were in effect as of January 2025. The measure also expands California's recognized model codes to include the International Wildland-Urban Interface Code.

    For residential developments, the building standards in place when a model home design receives permit approval would apply to all future homes based on that design for up to 10 years, unless substantial changes are made. The bill's authors cite California's housing shortage and affordability crisis as key drivers, asserting that regulatory consistency would reduce construction barriers and costs. As an urgency statute, the measure would take effect immediately upon passage.

    Key Dates

    Next Step
    Referred to the Senate Standing Committee on Housing
    Next Step
    Senate Committee
    Referred to the Senate Standing Committee on Housing
    Hearing has not been scheduled yet
    Vote on Assembly Floor
    Assembly Floor
    Vote on Assembly Floor
    Vote on Assembly Floor
    Assembly Appropriations Hearing
    Assembly Committee
    Assembly Appropriations Hearing
    Assembly Appropriations Hearing
    Assembly Housing And Community Development Hearing
    Assembly Committee
    Assembly Housing And Community Development Hearing
    Assembly Housing And Community Development Hearing
    Read first time. To print.
    Assembly Floor
    Read first time. To print.
    Read first time. To print.

    Contacts

    Profile
    Anna CaballeroD
    Senator
    Committee Member
    Not Contacted
    Not Contacted
    Profile
    Eloise ReyesD
    Senator
    Committee Member
    Not Contacted
    Not Contacted
    Profile
    Jesse GabrielD
    Assemblymember
    Bill Author
    Not Contacted
    Not Contacted
    Profile
    Robert RivasD
    Assemblymember
    Bill Author
    Not Contacted
    Not Contacted
    Profile
    Buffy WicksD
    Assemblymember
    Bill Author
    Not Contacted
    Not Contacted
    0 of 16 row(s) selected.
    Page 1 of 4
    Select All Legislators
    Profile
    Anna CaballeroD
    Senator
    Committee Member
    Profile
    Eloise ReyesD
    Senator
    Committee Member
    Profile
    Jesse GabrielD
    Assemblymember
    Bill Author
    Profile
    Robert RivasD
    Assemblymember
    Bill Author
    Profile
    Buffy WicksD
    Assemblymember
    Bill Author
    Profile
    Maria DurazoD
    Senator
    Committee Member
    Profile
    Kelly SeyartoR
    Senator
    Committee Member
    Profile
    Dave CorteseD
    Senator
    Committee Member
    Profile
    Rosilicie Ochoa BoghR
    Senator
    Committee Member
    Profile
    Matt HaneyD
    Assemblymember
    Bill Author
    Profile
    Steve PadillaD
    Senator
    Committee Member
    Profile
    Aisha WahabD
    Senator
    Committee Member
    Profile
    Nick SchultzD
    Assemblymember
    Bill Author
    Profile
    Jesse ArreguinD
    Senator
    Committee Member
    Profile
    Christopher CabaldonD
    Senator
    Committee Member
    Profile
    Sasha Renee PerezD
    Senator
    Committee Member

    Get Involved

    Act Now!

    Email the authors or create an email template to send to all relevant legislators.

    Introduced By

    Robert Rivas
    Robert RivasD
    California State Assembly Member
    Buffy Wicks
    Buffy WicksD
    California State Assembly Member
    Matt Haney
    Matt HaneyD
    California State Assembly Member
    Nick Schultz
    Nick SchultzD
    California State Assembly Member
    Co-Author
    Jesse Gabriel
    Jesse GabrielD
    California State Assembly Member
    40% progression
    Bill has passed all readings in its first house and is ready to move to the other house (4/1/2025)

    Latest Voting History

    View History
    April 1, 2025
    PASS
    Assembly Floor
    Vote on Assembly Floor
    AyesNoesNVRTotalResult
    710980PASS

    Key Takeaways

    • Prohibits local governments from modifying residential building standards from 2025 to 2031 unless deemed emergency safety measures.
    • Centralizes building code authority with the California Building Standards Commission to streamline housing construction.
    • Requires all future homes based on an approved model design to follow the standards in effect when that model was approved.
    • Expands state building codes to include wildland-urban interface standards for fire safety.

    Get Involved

    Act Now!

    Email the authors or create an email template to send to all relevant legislators.

    Introduced By

    Robert Rivas
    Robert RivasD
    California State Assembly Member
    Buffy Wicks
    Buffy WicksD
    California State Assembly Member
    Matt Haney
    Matt HaneyD
    California State Assembly Member
    Nick Schultz
    Nick SchultzD
    California State Assembly Member
    Co-Author
    Jesse Gabriel
    Jesse GabrielD
    California State Assembly Member

    Summary

    Assembly Members Schultz and Rivas have proposed a six-year pause on local modifications to residential building standards in California, aiming to stabilize construction costs and increase housing production. The legislation would prohibit cities and counties from changing residential building requirements between June 2025 and June 2031, except in cases of emergency health and safety needs or home hardening measures.

    The bill restricts the California Building Standards Commission from considering or adopting new residential building standards during this period unless they meet specific criteria, such as emergency safety requirements or necessary updates to align with model codes. Local governments would retain the ability to implement previously approved modifications that were in effect as of January 2025. The measure also expands California's recognized model codes to include the International Wildland-Urban Interface Code.

    For residential developments, the building standards in place when a model home design receives permit approval would apply to all future homes based on that design for up to 10 years, unless substantial changes are made. The bill's authors cite California's housing shortage and affordability crisis as key drivers, asserting that regulatory consistency would reduce construction barriers and costs. As an urgency statute, the measure would take effect immediately upon passage.

    40% progression
    Bill has passed all readings in its first house and is ready to move to the other house (4/1/2025)

    Key Dates

    Next Step
    Referred to the Senate Standing Committee on Housing
    Next Step
    Senate Committee
    Referred to the Senate Standing Committee on Housing
    Hearing has not been scheduled yet
    Vote on Assembly Floor
    Assembly Floor
    Vote on Assembly Floor
    Vote on Assembly Floor
    Assembly Appropriations Hearing
    Assembly Committee
    Assembly Appropriations Hearing
    Assembly Appropriations Hearing
    Assembly Housing And Community Development Hearing
    Assembly Committee
    Assembly Housing And Community Development Hearing
    Assembly Housing And Community Development Hearing
    Read first time. To print.
    Assembly Floor
    Read first time. To print.
    Read first time. To print.

    Latest Voting History

    View History
    April 1, 2025
    PASS
    Assembly Floor
    Vote on Assembly Floor
    AyesNoesNVRTotalResult
    710980PASS

    Contacts

    Profile
    Anna CaballeroD
    Senator
    Committee Member
    Not Contacted
    Not Contacted
    Profile
    Eloise ReyesD
    Senator
    Committee Member
    Not Contacted
    Not Contacted
    Profile
    Jesse GabrielD
    Assemblymember
    Bill Author
    Not Contacted
    Not Contacted
    Profile
    Robert RivasD
    Assemblymember
    Bill Author
    Not Contacted
    Not Contacted
    Profile
    Buffy WicksD
    Assemblymember
    Bill Author
    Not Contacted
    Not Contacted
    0 of 16 row(s) selected.
    Page 1 of 4
    Select All Legislators
    Profile
    Anna CaballeroD
    Senator
    Committee Member
    Profile
    Eloise ReyesD
    Senator
    Committee Member
    Profile
    Jesse GabrielD
    Assemblymember
    Bill Author
    Profile
    Robert RivasD
    Assemblymember
    Bill Author
    Profile
    Buffy WicksD
    Assemblymember
    Bill Author
    Profile
    Maria DurazoD
    Senator
    Committee Member
    Profile
    Kelly SeyartoR
    Senator
    Committee Member
    Profile
    Dave CorteseD
    Senator
    Committee Member
    Profile
    Rosilicie Ochoa BoghR
    Senator
    Committee Member
    Profile
    Matt HaneyD
    Assemblymember
    Bill Author
    Profile
    Steve PadillaD
    Senator
    Committee Member
    Profile
    Aisha WahabD
    Senator
    Committee Member
    Profile
    Nick SchultzD
    Assemblymember
    Bill Author
    Profile
    Jesse ArreguinD
    Senator
    Committee Member
    Profile
    Christopher CabaldonD
    Senator
    Committee Member
    Profile
    Sasha Renee PerezD
    Senator
    Committee Member