5a13be122b
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
93 lines
7.2 KiB
Markdown
93 lines
7.2 KiB
Markdown
---
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type: "Bill"
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title: "Common interest developments: accessory dwelling units."
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description: "The Planning and Zoning Law authorizes a local agency to provide for the creation of accessory dwelling units in single-family and multifamily residential zones by ordinance, and sets forth standards the ordinance is required to impose with respect to certain matters, including, among others, maximum unit size, parking, and height standards. Existing law authorizes a local agency to provide by ordinance for the creation of junior accessory dwelling units, as defined, in single-family residential zones and requires the ordinance to include, among other things, standards for the creation of a junior accessory dwelling unit, required deed restrictions, and occupancy requirements."
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jurisdiction: "us/states/ca"
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legislature: "California Legislature"
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session: "20192020"
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identifier: "AB 670"
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citation: "California AB 670 (20192020)"
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classification: ["bill"]
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subjects: ["Common interest developments: accessory dwelling units."]
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status: "enacted"
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primary_sponsors: ["Friedman"]
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version_count: 7
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action_count: 23
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vote_count: 7
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first_action: "2019-02-15"
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last_action: "2019-08-30"
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source: "openstates"
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source_identifier: "ocd-bill/206c2479-bbfc-4ce3-a279-ba257feb5c01"
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source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB670"
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source_hash: "e8f36589c17f48ce843c03db9a7bcbfa98aa46fcc4bdec0ab65cdb4d47a8ea51"
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vintage: "2026-07-01"
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source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
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retrieved_at: "2026-07-06"
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confidence: "reported"
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tags: ["legislation", "bill", "us-ca"]
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---
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# California AB 670 (20192020) — Common interest developments: accessory dwelling units.
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The Planning and Zoning Law authorizes a local agency to provide for the creation of accessory dwelling units in single-family and multifamily residential zones by ordinance, and sets forth standards the ordinance is required to impose with respect to certain matters, including, among others, maximum unit size, parking, and height standards. Existing law authorizes a local agency to provide by ordinance for the creation of junior accessory dwelling units, as defined, in single-family residential zones and requires the ordinance to include, among other things, standards for the creation of a junior accessory dwelling unit, required deed restrictions, and occupancy requirements.
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## Version chain
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The bill's text revisions, in order — the diff chain from filing to enrollment.
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1. **02/15/19 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB670&version=20190AB67099INT)
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2. **03/28/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB670&version=20190AB67098AMD)
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3. **04/11/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB670&version=20190AB67097AMD)
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4. **05/24/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB670&version=20190AB67096AMD)
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5. **08/30/19 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB670&version=20190AB67094CHP)
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6. **AB670** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB670)
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7. **08/16/19 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB670&version=20190AB67095ENR)
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## Votes
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- AB 670 Friedman Concurrence in Senate Amendments — **74–0** (pass) · lower
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- Do pass — **9–0** (pass) · upper
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- AB 670 Friedman Assembly Third Reading — **74–0** (pass) · lower
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- Do pass. — **12–0** (pass) · lower
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- Do pass, but first be re-referred to the Committee on [Judiciary] — **8–0** (pass) · upper
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- Do pass and be re-referred to the Committee on [Judiciary] — **7–0** (pass) · lower
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- 3rd Reading AB670 Friedman et al. By Wieckowski — **39–0** (pass) · upper
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## Sponsors
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- Friedman — primary (person)
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- Wieckowski — coauthor (person)
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## Timeline
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The legislative action history — every referral, reading, and vote.
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- **2019-02-15** Read first time. To print. `reading-1`
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- **2019-02-19** From printer. May be heard in committee March 21.
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- **2019-03-28** Referred to Coms. on H. & C.D. and JUD. `referral-committee`
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- **2019-03-28** From committee chair, with author's amendments: Amend, and re-refer to Com. on H. & C.D. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction`
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- **2019-04-01** Re-referred to Com. on H. & C.D. `referral-committee`
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- **2019-04-11** From committee chair, with author's amendments: Amend, and re-refer to Com. on H. & C.D. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction`
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- **2019-04-22** Re-referred to Com. on H. & C.D. `referral-committee`
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- **2019-04-25** From committee: Do pass and re-refer to Com. on JUD. (Ayes 7. Noes 0.) (April 24). Re-referred to Com. on JUD. `committee-passage-favorable, committee-passage, referral-committee`
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- **2019-04-30** From committee: Do pass. (Ayes 12. Noes 0.) (April 30). `committee-passage-favorable, committee-passage`
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- **2019-05-01** Read second time. Ordered to third reading. `reading-1, reading-2`
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- **2019-05-06** Read third time. Passed. Ordered to the Senate. (Ayes 74. Noes 0. Page 1519.) `passage, reading-3, reading-1`
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- **2019-05-06** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
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- **2019-05-16** Referred to Coms. on HOUSING and JUD. `referral-committee`
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- **2019-05-24** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on HOUSING. `reading-1, reading-2, amendment-passage, referral-committee, amendment-introduction`
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- **2019-06-04** From committee: Do pass and re-refer to Com. on JUD. (Ayes 8. Noes 0.) (June 4). Re-referred to Com. on JUD. `committee-passage-favorable, committee-passage, referral-committee`
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- **2019-06-19** From committee: Do pass. (Ayes 9. Noes 0.) (June 18). `committee-passage-favorable, committee-passage`
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- **2019-06-20** Read second time. Ordered to third reading. `reading-1, reading-2`
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- **2019-08-12** Read third time. Passed. Ordered to the Assembly. (Ayes 39. Noes 0. Page 2134.). `passage, reading-3, reading-1`
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- **2019-08-13** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 15 pursuant to Assembly Rule 77.
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- **2019-08-15** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 74. Noes 0. Page 2719.). `amendment-passage, committee-passage-favorable`
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- **2019-08-27** Enrolled and presented to the Governor at 3:30 p.m.
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- **2019-08-30** Approved by the Governor. `executive-signature`
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- **2019-08-30** Chaptered by Secretary of State - Chapter 178, Statutes of 2019.
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## Source
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OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/206c2479-bbfc-4ce3-a279-ba257feb5c01`. Confidence: reported (aggregated from official California legislature records).
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