Existing law provides for the creation by local ordinance, or by ministerial approval if a local agency has not adopted an ordinance, of accessory dwelling units in areas zoned for single-family or multifamily dwelling residential use in accordance with specified standards and conditions. Existing law also provides for the creation of junior accessory dwelling units by local ordinance, or, if a local agency has not adopted an ordinance, by ministerial approval, in single-family residential zones in accordance with specified standards and conditions.
California SB 477 (20232024) — Accessory dwelling units.
Existing law provides for the creation by local ordinance, or by ministerial approval if a local agency has not adopted an ordinance, of accessory dwelling units in areas zoned for single-family or multifamily dwelling residential use in accordance with specified standards and conditions. Existing law also provides for the creation of junior accessory dwelling units by local ordinance, or, if a local agency has not adopted an ordinance, by ministerial approval, in single-family residential zones in accordance with specified standards and conditions.
Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
The legislative action history — every referral, reading, and vote.
2023-02-14 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
2023-02-15 From printer. May be acted upon on or after March 17.
2023-02-22 Referred to Com. on HOUSING. referral-committee
2023-03-30 Set for hearing May 2.
2023-05-02 From committee: Do pass. Ordered to consent calendar. (Ayes 10. Noes 0. Page 981.) (May 2). committee-passage, committee-passage-favorable
2023-05-03 Read second time. Ordered to consent calendar. reading-1, reading-2
2023-05-08 Read third time. Passed. (Ayes 36. Noes 0. Page 1025.) Ordered to the Assembly. passage, reading-1, reading-3
2023-05-08 In Assembly. Read first time. Held at Desk. reading-1
2023-05-18 Referred to Com. on H. & C.D. referral-committee
2023-06-07 June 7 hearing postponed by committee.
2023-06-21 From committee: Do pass as amended. Ordered to consent calendar. (Ayes 8. Noes 0.) (June 21). amendment-passage, committee-passage, committee-passage-favorable
2023-06-22 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
2023-06-26 Read second time. Ordered to consent calendar. reading-1, reading-2
2023-06-29 Read third time. Urgency clause adopted. Passed. (Ayes 74. Noes 0. Page 2487.) Ordered to the Senate. passage, reading-1, reading-3
2023-07-03 In Senate. Concurrence in Assembly amendments pending.
2023-07-10 Urgency clause adopted.
2023-07-10 Assembly amendments concurred in. (Ayes 37. Noes 0. Page 1958.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
2023-07-13 Withdrawn from engrossing and enrolling.
2023-07-13 Action rescinded whereby the urgency clause was adopted, and the Assembly amendments were concurred in. Ordered to the Assembly.
2023-07-13 In Assembly. Held at Desk.
2023-08-14 Action rescinded whereby the bill was read a third time, urgency clause adopted, and passed to the Senate.
2023-08-14 Ordered to inactive file on request of Assembly Member Hart.
2024-02-29 Notice of intention to remove from inactive file given by Assembly Member Ward.
2024-03-04 From inactive file.
2024-03-04 Ordered to third reading.
2024-03-07 Read third time and amended. (Ayes 70. Noes 0. Page 4296.) amendment-passage, reading-1, reading-3
2024-03-07 Ordered to third reading.
2024-03-11 Read third time. Urgency clause adopted. Passed. (Ayes 66. Noes 0. Page 4318.) Ordered to the Senate. passage, reading-1, reading-3
2024-03-11 In Senate. Concurrence in Assembly amendments pending.
2024-03-14 Urgency clause adopted.
2024-03-14 Assembly amendments concurred in. (Ayes 40. Noes 0. Page 3295.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
2024-03-20 Enrolled and presented to the Governor at 2 p.m.
2024-03-25 Approved by the Governor. executive-signature
2024-03-25 Chaptered by Secretary of State. Chapter 7, Statutes of 2024. became-law
Source
OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/d7e6adfe-25ed-4b5c-a39a-914acf3bde24. Confidence: reported (aggregated from official California legislature records).