republic-os/legislation/us/states/ca/20172018/ab-494.md

---
type: "Bill"
title: "Land use: accessory dwelling units."
description: "The Planning and Zoning Law authorizes a local agency to provide by ordinance for the creation of accessory dwelling units in single-family and multifamily residential zones, as specified. That law requires the ordinance to require the accessory dwelling unit to comply with certain conditions, including, but not limited to, that the accessory dwelling unit is not intended for sale separate from the primary residence and may be rented."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 494"
citation: "California AB 494 (20172018)"
classification: ["bill"]
subjects: ["Land use: accessory dwelling units."]
status: "enacted"
primary_sponsors: ["Bloom"]
version_count: 6
action_count: 26
vote_count: 3
first_action: "2017-02-13"
last_action: "2017-10-08"
source: "openstates"
source_identifier: "ocd-bill/766ce1ed-6fcc-4480-8009-d51b96fa0a61"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB494"
source_hash: "82be8a2c74438f8d71c66fc5b64d5895ec94bd25a055861f036fc5179774e574"
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 AB 494 (20172018) — Land use: accessory dwelling units.

The Planning and Zoning Law authorizes a local agency to provide by ordinance for the creation of accessory dwelling units in single-family and multifamily residential zones, as specified. That law requires the ordinance to require the accessory dwelling unit to comply with certain conditions, including, but not limited to, that the accessory dwelling unit is not intended for sale separate from the primary residence and may be rented.

## Version chain

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

1. **02/13/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB494&version=20170AB49499INT)
2. **03/28/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB494&version=20170AB49498AMD)
3. **09/08/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB494&version=20170AB49497AMD)
4. **10/08/17 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB494&version=20170AB49495CHP)
5. **AB494** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB494)
6. **09/15/17 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB494&version=20170AB49496ENR)

## Votes

- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **7–0** (pass) · upper
- AB 494 BLOOM Concurrence in Senate Amendments — **76–1** (pass) · lower
- 3rd Reading AB494 Bloom By Wieckowski — **40–0** (pass) · upper

## Sponsors

- Bloom — primary (person)

## Timeline

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

- **2017-02-13** Read first time. To print. `reading-1`
- **2017-02-14** From printer. May be heard in committee March 16.
- **2017-02-27** Referred to Coms. on H. & C.D. and L. GOV. `referral-committee`
- **2017-03-16** In committee: Hearing postponed by committee.
- **2017-03-28** From committee chair, with author's amendments: Amend, and re-refer to Com. on H. & C.D. Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1`
- **2017-03-29** Re-referred to Com. on H. & C.D. `referral-committee`
- **2017-04-05** From committee: Do pass and re-refer to Com. on L. GOV. (Ayes 7. Noes 0.) (April 5). Re-referred to Com. on L. GOV. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-04-20** From committee: Do pass and re-refer to Com. on APPR. (Ayes 8. Noes 0.) (April 19). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-05-03** From committee: Do pass. (Ayes 16. Noes 0.) (May 3). `committee-passage-favorable, committee-passage`
- **2017-05-04** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-05-08** Read third time. Passed. Ordered to the Senate. (Ayes 78. Noes 0. Page 1424.) `reading-3, passage, reading-1`
- **2017-05-08** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2017-05-18** Referred to Coms. on T. & H. and GOV. & F. `referral-committee`
- **2017-06-21** From committee: Do pass and re-refer to Com. on GOV. & F. with recommendation: To Consent Calendar. (Ayes 12. Noes 0.) (June 20). Re-referred to Com. on GOV. & F. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-07-12** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 7. Noes 0.) (July 12). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-08-21** From committee: Be ordered to second reading pursuant to Senate Rule 28.8. `committee-passage, reading-2`
- **2017-08-22** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-09-08** Read third time and amended. Ordered to second reading. `amendment-passage, reading-3, reading-1`
- **2017-09-11** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-09-12** Read third time. Passed. Ordered to the Assembly. (Ayes 40. Noes 0. Page 2776.). `reading-3, passage, reading-1`
- **2017-09-13** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 15 pursuant to Assembly Rule 77.
- **2017-09-13** Assembly Rule 77(a) suspended. (Ayes 54. Noes 25. Page 3255.)
- **2017-09-14** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 76. Noes 1. Page 3366.). `committee-passage-favorable, amendment-passage`
- **2017-09-25** Enrolled and presented to the Governor at 12 p.m.
- **2017-10-08** Approved by the Governor. `executive-signature`
- **2017-10-08** Chaptered by Secretary of State - Chapter 602, Statutes of 2017.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/766ce1ed-6fcc-4480-8009-d51b96fa0a61`. Confidence: reported (aggregated from official California legislature records).