New

The Legislative Outreach Center is live. Hours of hunting down legislator and staff emails, now a few clicks.

See What's New
Home/Bills/SB 543California · 2025–2026 Regular Session
Senate BillChaptered/SignedGovernment

SB 543: Accessory dwelling units and junior accessory dwelling units.

California · Senate · 2025–2026 Regular Session · last verified December 7, 2025

What SB 543 does, verified December 7, 2025

This bill aims to amend the government code to provide clearer guidelines for accessory dwelling units (adu) and junior accessory dwelling units (jadu). The definition of a jadu is revised to require no more than 500 square feet of interior livable space. Local agencies must submit adu and jadu ordinances to the Department of Housing and Community Development for review and approval within 60 days. The bill also revises the process for permitting adus and jadus, requiring written notice of incomplete applications and a process for appealing denied permits. Impact fees and capacity charges for adus and jadus are also revised to prohibit fees upon the development of smaller units. Additionally, the bill clarifies that adus and jadus do not increase assessable space by a certain amount, and revises size limitations for adus to be based on interior living space. Local agencies must minister…

Bill journey
IntroducedComplete
In CommitteeComplete
First Chamber FloorComplete
Second ChamberComplete
GovernorComplete
6ChapteredCurrent
Last action: Chaptered by Secretary of State. Chapter 520, Statutes of 2025. (2025-09-02)Alert me
Recent actions34 total · showing 5
Oct. 10, 2025Chaptered by Secretary of State. Chapter 520, Statutes of 2025.
Oct. 10, 2025Approved by the Governor.
Sep. 09, 2025Enrolled and presented to the Governor at 2 p.m.
Sep. 02, 2025Assembly amendments concurred in. (Ayes 40. Noes 0. Page 2408.) Ordered to engrossing and enrolling.
Sep. 02, 2025Assembly amendments concurred in. (Ayes 40. Noes 0.) Ordered to engrossing and enrolling.
Full action history, 29 earlier actionsConnect Plus
GovBuddy Demo

See how GovBuddy fits your team.

Share a few details and our team will follow up with a focused walkthrough.