--- type: "Bill" title: "State Housing Law: efficiency units." description: "Existing law, the State Housing Law, authorizes a city, county, or city and county to permit the construction and occupancy of efficiency units that have a minimum area of 150 square feet if they meet certain specified criteria." jurisdiction: "us/states/ca" legislature: "California Legislature" session: "20172018" identifier: "AB 352" citation: "California AB 352 (20172018)" classification: ["bill"] subjects: ["State Housing Law: efficiency units."] status: "enacted" primary_sponsors: ["Santiago"] version_count: 8 action_count: 27 vote_count: 5 first_action: "2017-02-08" last_action: "2017-10-02" source: "openstates" source_identifier: "ocd-bill/a7ebad61-965f-4194-94ba-5402ff4311ef" source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB352" source_hash: "88b484187b805be9702cca2edfc83ac4ecd082e710ddaed30a41d7b1b5e57585" 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 352 (20172018) — State Housing Law: efficiency units. Existing law, the State Housing Law, authorizes a city, county, or city and county to permit the construction and occupancy of efficiency units that have a minimum area of 150 square feet if they meet certain specified criteria. ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **02/08/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB352&version=20170AB35299INT) 2. **03/27/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB352&version=20170AB35298AMD) 3. **04/06/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB352&version=20170AB35297AMD) 4. **06/29/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB352&version=20170AB35296AMD) 5. **07/17/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB352&version=20170AB35295AMD) 6. **10/02/17 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB352&version=20170AB35293CHP) 7. **AB352** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB352) 8. **09/07/17 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB352&version=20170AB35294ENR) ## Votes - AB 352 SANTIAGO Concurrence in Senate Amendments — **77–0** (pass) · lower - Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **7–0** (pass) · upper - Special Consent Calendar # AB352 — **37–0** (pass) · upper - AB 352 SANTIAGO Assembly Third Reading — **76–0** (pass) · lower - Do pass, but first be re-referred to the Committee on [Governance and Finance] with the recommendation: To Consent Calendar — **13–0** (pass) · upper ## Sponsors - Santiago — primary (person) - Wiener — principal coauthor (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2017-02-08** Read first time. To print. `reading-1` - **2017-02-09** From printer. May be heard in committee March 11. - **2017-02-21** Referred to Coms. on H. & C.D. and L. GOV. `referral-committee` - **2017-03-27** 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` - **2017-03-28** Re-referred to Com. on H. & C.D. `referral-committee` - **2017-04-05** From committee: Amend, and do pass as amended and re-refer to Com. on L. GOV. (Ayes 7. Noes 0.) (April 5). `amendment-passage, committee-passage, amendment-introduction` - **2017-04-06** Read second time and amended. `reading-1, amendment-passage, reading-2` - **2017-04-17** Re-referred to Com. on L. GOV. `referral-committee` - **2017-05-04** From committee: Do pass. (Ayes 9. Noes 0.) (May 3). `committee-passage-favorable, committee-passage` - **2017-05-08** Read second time. Ordered to third reading. `reading-2, reading-1` - **2017-05-11** Read third time. Passed. Ordered to the Senate. (Ayes 76. Noes 0. Page 1478.) `reading-3, passage, reading-1` - **2017-05-11** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1` - **2017-05-24** Referred to Coms. on T. & H. and GOV. & F. `referral-committee` - **2017-06-06** From committee: Do pass and re-refer to Com. on GOV. & F. with recommendation: To Consent Calendar. (Ayes 13. Noes 0.) (June 6). Re-referred to Com. on GOV. & F. `committee-passage-favorable, committee-passage, referral-committee` - **2017-06-29** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on GOV. & F. `amendment-passage, referral-committee, reading-2, reading-1, amendment-introduction` - **2017-07-13** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (July 12). `amendment-passage, committee-passage, amendment-introduction` - **2017-07-17** Read second time and amended. Re-referred to Com. on APPR. `amendment-passage, reading-2, referral-committee, reading-1` - **2017-07-17** Withdrawn from committee. - **2017-07-17** Ordered to second reading. - **2017-07-18** Read second time. Ordered to third reading. `reading-2, reading-1` - **2017-08-23** Ordered to special consent calendar. - **2017-08-31** Read third time. Passed. Ordered to the Assembly. (Ayes 37. Noes 0. Page 2350.). `reading-3, passage, reading-1` - **2017-08-31** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 2 pursuant to Assembly Rule 77. - **2017-09-05** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 77. Noes 0. Page 2918.). `committee-passage-favorable, amendment-passage` - **2017-09-12** Enrolled and presented to the Governor at 2:30 p.m. - **2017-10-02** Approved by the Governor. `executive-signature` - **2017-10-02** Chaptered by Secretary of State - Chapter 400, Statutes of 2017. ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a7ebad61-965f-4194-94ba-5402ff4311ef`. Confidence: reported (aggregated from official California legislature records).