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Fabio 5a13be122b Legislation: batch E — CA TN VA VT WA WI WV WY 
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-06 17:28:36 -04:00

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type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags
type title description jurisdiction legislature session identifier citation classification subjects status primary_sponsors version_count action_count vote_count first_action last_action source source_identifier source_url source_hash vintage source_snapshot retrieved_at confidence tags
Bill Accessory dwelling units and junior accessory dwelling units. Existing law, the Planning and Zoning Law, among other things, provides for the creation by ordinance, or by ministerial approval if the local agency has not adopted an ordinance, of an accessory dwelling unit (ADU) or a junior accessory dwelling unit (JADU) in accordance with specified standards and conditions. Existing law defines the term "junior accessory dwelling unit" for these purposes to mean a unit that is no more than 500 square feet in size and contained entirely within a single-family structure. us/states/ca California Legislature 20252026 SB 543 California SB 543 (20252026)
bill
Accessorydwellingunitsandjunioraccessorydwellingunits
enacted
McNerney
9 29 8 2025-02-20 2025-10-10 openstates ocd-bill/098f991d-1eec-4c31-ab88-4f4c36b8944c http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB543 0847d0ed2b61d5398f06fe719a84063f9b77a4e1186167f5109ebf1a2a70fc1c 2026-07-01 https://data.openstates.org/daily/2026-07-01/public.pgdump 2026-07-06 reported
legislation
bill
us-ca

California SB 543 (20252026) — Accessory dwelling units and junior accessory dwelling units.

Existing law, the Planning and Zoning Law, among other things, provides for the creation by ordinance, or by ministerial approval if the local agency has not adopted an ordinance, of an accessory dwelling unit (ADU) or a junior accessory dwelling unit (JADU) in accordance with specified standards and conditions. Existing law defines the term "junior accessory dwelling unit" for these purposes to mean a unit that is no more than 500 square feet in size and contained entirely within a single-family structure.

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

  1. 02/20/25 - Introduced (filed) — source
  2. 03/25/25 - Amended Senate (committee substitute) — source
  3. 04/09/25 - Amended Senate (committee substitute) — source
  4. 04/23/25 - Amended Senate (committee substitute) — source
  5. 06/19/25 - Amended Assembly (committee substitute) — source
  6. 07/08/25 - Amended Assembly (committee substitute) — source
  7. 10/10/25 - Chaptered (committee substitute) — source
  8. SB543 (committee substitute) — source
  9. 09/04/25 - Enrolled (enrolled) — source

Votes

  • Do pass, but first be re-referred to the Committee on [Local Government] — 11–0 (pass) · upper
  • Do pass, but first be re-referred to the Committee on [Appropriations] — 7–0 (pass) · upper
  • Do pass and be re-referred to the Committee on [Appropriations] — 10–0 (pass) · lower
  • Do pass. — 15–0 (pass) · lower
  • Do pass as amended and be re-referred to the Committee on [Local Government] — 11–0 (pass) · lower
  • Unfinished Business SB543 McNerney et al. Concurrence — 40–0 (pass) · upper
  • SB 543 McNerney Senate Third Reading By Carrillo — 75–0 (pass) · lower
  • 3rd Reading — 39–0 (pass) · upper

Sponsors

  • McNerney — primary (person)
  • Arreguín — coauthor (person)

Timeline

The legislative action history — every referral, reading, and vote.

  • 2025-02-20 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
  • 2025-02-21 From printer. May be acted upon on or after March 23.
  • 2025-03-05 Referred to Com. on RLS. referral-committee
  • 2025-03-25 From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
  • 2025-04-02 Re-referred to Coms. on HOUSING and L. GOV. referral-committee
  • 2025-04-04 Set for hearing April 22.
  • 2025-04-09 From committee with author's amendments. Read second time and amended. Re-referred to Com. on HOUSING. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
  • 2025-04-22 Set for hearing April 30 in L. GOV. pending receipt.
  • 2025-04-23 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. committee-passage, committee-passage-favorable, referral-committee
  • 2025-04-23 From committee with author's amendments. Read second time and amended. Re-referred to Com. on L. GOV. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
  • 2025-04-30 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. committee-passage, committee-passage-favorable, referral-committee
  • 2025-05-02 Set for hearing May 12.
  • 2025-05-12 From committee: Be ordered to second reading pursuant to Senate Rule 28.8. committee-passage, reading-2
  • 2025-05-13 Read second time. Ordered to third reading. reading-1, reading-2
  • 2025-05-27 Read third time. Passed. (Ayes 39. Noes 0. Page 1250.) Ordered to the Assembly. passage, reading-1, reading-3
  • 2025-05-28 In Assembly. Read first time. Held at Desk. reading-1
  • 2025-06-05 Referred to Coms. on H. & C.D. and L. GOV. referral-committee
  • 2025-06-18 From committee: Do pass as amended and re-refer to Com. on L. GOV. (Ayes 11. Noes 0.) (June 18). amendment-passage, committee-passage, committee-passage-favorable
  • 2025-06-19 Read second time and amended. Re-referred to Com. on L. GOV. amendment-passage, reading-1, reading-2, referral-committee
  • 2025-07-08 From committee with author's amendments. Read second time and amended. Re-referred to Com. on L. GOV. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
  • 2025-07-17 From committee: Do pass and re-refer to Com. on APPR. (Ayes 10. Noes 0.) (July 16). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
  • 2025-08-20 From committee: Do pass. (Ayes 15. Noes 0.) (August 20). committee-passage, committee-passage-favorable
  • 2025-08-21 Read second time. Ordered to third reading. reading-1, reading-2
  • 2025-08-28 Read third time. Passed. (Ayes 75. Noes 0. Page 2773.) Ordered to the Senate. passage, reading-1, reading-3
  • 2025-08-28 In Senate. Concurrence in Assembly amendments pending.
  • 2025-09-02 Assembly amendments concurred in. (Ayes 40. Noes 0. Page 2408.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
  • 2025-09-09 Enrolled and presented to the Governor at 2 p.m.
  • 2025-10-10 Approved by the Governor. executive-signature
  • 2025-10-10 Chaptered by Secretary of State. Chapter 520, Statutes of 2025. became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/098f991d-1eec-4c31-ab88-4f4c36b8944c. Confidence: reported (aggregated from official California legislature records).

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