republic-os/legislation/us/states/ca/20232024/sb-450.md

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	Housing development: approvals.	(1) The Planning and Zoning law requires a proposed housing development containing no more than 2 residential units within a single-family residential zone to be considered ministerially, without discretionary review or hearing, if the proposed housing development meets certain requirements, including that the proposed housing development does not allow for the demolition of more than 25% of the existing exterior structural walls, except as provided. Existing law authorizes a local agency to impose objective zoning standards, objective subdivision standards, and objective design standards, as defined, except as specified, on the proposed housing development. Existing law authorizes a local agency to deny a proposed housing development if specified conditions are met, including that the building official makes a written finding that the proposed housing development project would have a specific, adverse impact upon public health and safety or the physical environment, as provided.	us/states/ca	California Legislature	20232024	SB 450	California SB 450 (20232024)	bill	Housing development approvals	enacted	Atkins	7	35	10	2023-02-13	2024-09-19	openstates	ocd-bill/668e64d2-57aa-4104-a803-60b09e6c1273	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB450	52f901cd6c615e0b994f70b11b08fbad090c1cb006b455e121fd3d7ba1b48c9d	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California SB 450 (20232024) — Housing development: approvals.

(1) The Planning and Zoning law requires a proposed housing development containing no more than 2 residential units within a single-family residential zone to be considered ministerially, without discretionary review or hearing, if the proposed housing development meets certain requirements, including that the proposed housing development does not allow for the demolition of more than 25% of the existing exterior structural walls, except as provided. Existing law authorizes a local agency to impose objective zoning standards, objective subdivision standards, and objective design standards, as defined, except as specified, on the proposed housing development. Existing law authorizes a local agency to deny a proposed housing development if specified conditions are met, including that the building official makes a written finding that the proposed housing development project would have a specific, adverse impact upon public health and safety or the physical environment, as provided.

Version chain

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

1. 02/13/23 - Introduced (filed) — source
2. 03/16/23 - Amended Senate (committee substitute) — source
3. 08/22/24 - Amended Assembly (committee substitute) — source
4. 09/01/23 - Amended Assembly (committee substitute) — source
5. 09/19/24 - Chaptered (committee substitute) — source
6. SB450 (committee substitute) — source
7. 09/03/24 - Enrolled (enrolled) — source

Votes

• Do pass as amended. — 12–2 (pass) · lower
• Do pass and be re-referred to the Committee on [Local Government] — 7–1 (pass) · lower
• Placed on suspense file — 7–0 (pass) · upper
• Do pass — 5–2 (pass) · upper
• Do pass and be re-referred to the Committee on [Appropriations] — 5–2 (pass) · lower
• 3rd Reading — 30–7 (pass) · upper
• Unfinished Business SB450 Atkins Concurrence — 29–9 (pass) · upper
• SB 450 Atkins Senate Third Reading By Wicks — 54–8 (pass) · lower
• Do pass, but first be re-referred to the Committee on [Appropriations] — 5–2 (pass) · upper
• Do pass, but first be re-referred to the Committee on [Rules] — 9–1 (pass) · upper

Sponsors

• Atkins — primary (person)

Timeline

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

• 2023-02-13 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
• 2023-02-14 From printer. May be acted upon on or after March 16.
• 2023-02-22 Referred to Coms. on HOUSING and G.O. referral-committee
• 2023-03-16 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
• 2023-04-11 Set for hearing April 18.
• 2023-04-13 Set for hearing April 26 in GOV. & F. pending receipt.
• 2023-04-19 From committee: Do pass and re-refer to Com. on RLS. (Ayes 9. Noes 1. Page 797.) (April 18). Re-referred to Com. on RLS. committee-passage, committee-passage-favorable, referral-committee
• 2023-04-19 Re-referred to Com. on GOV. & F. referral-committee
• 2023-04-27 From committee: Do pass and re-refer to Com. on APPR. (Ayes 5. Noes 2. Page 938.) (April 26). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
• 2023-05-05 Set for hearing May 15.
• 2023-05-15 May 15 hearing: Placed on APPR suspense file.
• 2023-05-16 Set for hearing May 18.
• 2023-05-18 From committee: Do pass. (Ayes 5. Noes 2. Page 1171.) (May 18). committee-passage, committee-passage-favorable
• 2023-05-18 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-05-24 Read third time. Passed. (Ayes 30. Noes 7. Page 1261.) Ordered to the Assembly. passage, reading-1, reading-3
• 2023-05-25 In Assembly. Read first time. Held at Desk. reading-1
• 2023-06-01 Referred to Coms. on H. & C.D. and L. GOV. referral-committee
• 2023-06-21 From committee: Do pass and re-refer to Com. on L. GOV. (Ayes 7. Noes 1.) (June 21). Re-referred to Com. on L. GOV. committee-passage, committee-passage-favorable, referral-committee
• 2023-06-28 From committee: Do pass and re-refer to Com. on APPR. (Ayes 5. Noes 2.) (June 28). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
• 2023-07-12 July 12 set for first hearing. Placed on APPR. suspense file.
• 2023-09-01 From committee: Do pass as amended. (Ayes 12. Noes 2.) (September 1). amendment-passage, committee-passage, committee-passage-favorable
• 2023-09-01 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
• 2023-09-05 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-09-14 Ordered to inactive file on request of Assembly Member Bryan.
• 2024-08-20 Notice of intention to remove from inactive file given by Assembly Member Wicks.
• 2024-08-21 From inactive file.
• 2024-08-21 Ordered to third reading.
• 2024-08-22 Read third time and amended. amendment-passage, reading-1, reading-3
• 2024-08-22 Ordered to third reading.
• 2024-08-28 Read third time. Passed. (Ayes 54. Noes 8. Page 6706.) Ordered to the Senate. passage, reading-1, reading-3
• 2024-08-28 In Senate. Concurrence in Assembly amendments pending.
• 2024-08-29 Assembly amendments concurred in. (Ayes 29. Noes 9. Page 5634.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
• 2024-09-09 Enrolled and presented to the Governor at 3 p.m.
• 2024-09-19 Approved by the Governor. executive-signature
• 2024-09-19 Chaptered by Secretary of State. Chapter 286, Statutes of 2024. became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/668e64d2-57aa-4104-a803-60b09e6c1273. Confidence: reported (aggregated from official California legislature records).