Legislation: batch E — CA TN VA VT WA WI WV WY

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/ca/20232024/sb-477.md

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+---
+type: "Bill"
+title: "Accessory dwelling units."
+description: "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."
+jurisdiction: "us/states/ca"
+legislature: "California Legislature"
+session: "20232024"
+identifier: "SB 477"
+citation: "California SB 477 (20232024)"
+classification: ["bill"]
+subjects: ["Accessory dwelling units"]
+status: "enacted"
+primary_sponsors: ["Committee on Housing"]
+version_count: 6
+action_count: 34
+vote_count: 8
+first_action: "2023-02-14"
+last_action: "2024-03-25"
+source: "openstates"
+source_identifier: "ocd-bill/d7e6adfe-25ed-4b5c-a39a-914acf3bde24"
+source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB477"
+source_hash: "0b01ac2cfe432474883f6741cae55f620364a49d1ec1d6995796ffe3fb7d12e9"
+vintage: "2026-07-01"
+source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
+retrieved_at: "2026-07-06"
+confidence: "reported"
+tags: ["legislation", "bill", "us-ca"]
+---
+
+# 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.
+
+1. **02/14/23 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB477&version=20230SB47799INT)
+2. **03/07/24 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB477&version=20230SB47797AMD)
+3. **03/25/24 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB477&version=20230SB47795CHP)
+4. **06/22/23 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB477&version=20230SB47798AMD)
+5. **SB477** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB477)
+6. **03/15/24 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB477&version=20230SB47796ENR)
+
+## Votes
+
+- Do pass and be ordered to the Consent Calendar — **10–0** (pass) · upper
+- Do pass as amended. To Consent Calendar. — **8–0** (pass) · lower
+- Unfinished Business SB477 HOUSING (Skinner) Urgency Clause Concurrence — **40–0** (pass) · upper
+- SB 477 Housing Third Reading Urgency By WARD — **66–0** (pass) · lower
+- Unfinished Business SB477 HOUSING (Wiener) Urgency Clause Concurrence — **37–0** (pass) · upper
+- SB 477 Housing Third Reading Urgency By WARD Amendment Set #1 — **70–0** (pass) · lower
+- SB 477 Housing Consent Calendar Second Day — **74–0** (pass) · lower
+- Consent Calendar SB477 HOUSING — **36–0** (pass) · upper
+
+## Sponsors
+
+- Committee on Housing — primary (person)
+
+## Timeline
+
+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](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d7e6adfe-25ed-4b5c-a39a-914acf3bde24`. Confidence: reported (aggregated from official California legislature records).
+