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Bill > SB543


CA SB543

CA SB543
Accessory dwelling units and junior accessory dwelling units.


summary

Introduced
02/20/2025
In Committee
08/20/2025
Crossed Over
05/27/2025
Passed
10/10/2025
Dead
Signed/Enacted/Adopted
10/10/2025

Introduced Session

2025-2026 Regular Session

Bill Summary

An act to amend Sections 66311, 66313, 66317, 66320, 66321, 66323, and 66335 of, to amend and renumber Sections 66324, 66327, and 66332 of, and to add Sections 66333.5, 66335.5, and 66339.5 to, the Government Code, relating to land use.

AI Summary

This bill modifies California's existing laws regarding accessory dwelling units (ADUs) and junior accessory dwelling units (JADUs) to streamline their creation and reduce local barriers. The bill revises the definition of a junior accessory dwelling unit to specify that it must be no more than 500 square feet of interior livable space, and expands the Department of Housing and Community Development's authority to review and provide guidelines for ADUs and JADUs. It establishes a more standardized process for permit applications, requiring local agencies to ministerially approve ADU and JADU permits within 60 days, provide clear feedback on incomplete applications within 15 business days, and offer an appeals process. The bill also limits local agencies' ability to impose restrictive development standards, such as minimum square footage requirements or excessive fees. Specifically, it prohibits impact fees for ADUs under 750 square feet and JADUs under 500 square feet, and prevents local agencies from requiring additional utility connections or imposing excessive capacity charges. Additionally, the bill requires local agencies to submit their ADU and JADU ordinances to the state for review and can nullify ordinances that do not comply with state standards. The legislation aims to make it easier and more affordable for homeowners to create additional dwelling units on their properties, potentially helping to address housing shortages in California.

Committee Categories

Budget and Finance, Government Affairs, Housing and Urban Affairs

Sponsors (2)

Last Action

Chaptered by Secretary of State. Chapter 520, Statutes of 2025. (on 10/10/2025)

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