Accessory dwelling units and junior accessory dwelling units.
Introduced
Moved
Reached a final decision
Became law
Derived from the official record below.
Officially: “Accessory dwelling units and junior accessory dwelling units.” Read the full text
Official title shown verbatim from the official record. Plain-language summary coming as coverage deepens. Not legal advice.
2025-2026 session
Where it is
Show all 29 actions
Introduced. Read first time. To Com. on RLS. for assignment. To print. · Feb 20, 2025
From printer. May be acted upon on or after March 23. · Feb 21, 2025
Referred to Com. on RLS. · Mar 5, 2025
From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. · Mar 25, 2025
Re-referred to Coms. on HOUSING and L. GOV. · Apr 2, 2025
Set for hearing April 22. · Apr 4, 2025
From committee with author's amendments. Read second time and amended. Re-referred to Com. on HOUSING. · Apr 9, 2025
Set for hearing April 30 in L. GOV. pending receipt. · Apr 22, 2025
From committee: Do pass and re-refer to Com. on L. GOV. (Ayes 11. Noes 0. Page 832.) (April 22). Re-referred to Com. on L. GOV. · Apr 23, 2025
From committee with author's amendments. Read second time and amended. Re-referred to Com. on L. GOV. · Apr 23, 2025
From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0. Page 968.) (April 30). Re-referred to Com. on APPR. · Apr 30, 2025
Set for hearing May 12. · May 2, 2025
From committee: Be ordered to second reading pursuant to Senate Rule 28.8. · May 12, 2025
Read second time. Ordered to third reading. · May 13, 2025
Read third time. Passed. (Ayes 39. Noes 0. Page 1250.) Ordered to the Assembly. · May 27, 2025
In Assembly. Read first time. Held at Desk. · May 28, 2025
Referred to Coms. on H. & C.D. and L. GOV. · Jun 5, 2025
From committee: Do pass as amended and re-refer to Com. on L. GOV. (Ayes 11. Noes 0.) (June 18). · Jun 18, 2025
Read second time and amended. Re-referred to Com. on L. GOV. · Jun 19, 2025
From committee with author's amendments. Read second time and amended. Re-referred to Com. on L. GOV. · Jul 8, 2025
From committee: Do pass and re-refer to Com. on APPR. (Ayes 10. Noes 0.) (July 16). Re-referred to Com. on APPR. · Jul 17, 2025
From committee: Do pass. (Ayes 15. Noes 0.) (August 20). · Aug 20, 2025
Read second time. Ordered to third reading. · Aug 21, 2025
Read third time. Passed. (Ayes 75. Noes 0. Page 2773.) Ordered to the Senate. · Aug 28, 2025
In Senate. Concurrence in Assembly amendments pending. · Aug 28, 2025
Assembly amendments concurred in. (Ayes 40. Noes 0. Page 2408.) Ordered to engrossing and enrolling. · Sep 2, 2025
Enrolled and presented to the Governor at 2 p.m. · Sep 9, 2025
Approved by the Governor. · Oct 10, 2025
Chaptered by Secretary of State. Chapter 520, Statutes of 2025. · Oct 10, 2025
The numbers
2
sponsors on the bill
Sponsors
Recorded votes
Unfinished Business SB543 McNerney et al. ConcurrenceSenate · 2025-09-02 · (PASS) · Ayes 40, Noes 0, Abstain 0
SB 543 McNerney Senate Third Reading By CarrilloAssembly · 2025-08-28 · (PASS) · Ayes 75, Noes 0, Abstain 4
Do pass.Assembly · 2025-08-20 · (PASS) · Ayes 15, Noes 0, Abstain 0
Do pass and be re-referred to the Committee on [Appropriations]Assembly · 2025-07-16 · (PASS) · Ayes 10, Noes 0, Abstain 0
Do pass as amended and be re-referred to the Committee on [Local Government]Assembly · 2025-06-18 · (PASS) · Ayes 11, Noes 0, Abstain 1
Senate 3rd Reading SB543 McNerneySenate · 2025-05-27 · (PASS) · Ayes 39, Noes 0, Abstain 1
Do pass, but first be re-referred to the Committee on [Appropriations]Senate · 2025-04-30 · (PASS) · Ayes 7, Noes 0, Abstain 0
Do pass, but first be re-referred to the Committee on [Local Government]Senate · 2025-04-22 · (PASS) · Ayes 11, Noes 0, Abstain 0
Roll-call results shown verbatim from the California legislature’s records. A result reflects that roll call’s own motion, not the bill’s overall outcome.
Every fact on this page links to its source, starting with the official bill record. Last action: Chaptered by Secretary of State. Chapter 520, Statutes of 2025. (Oct 10, 2025).