republic-os/legislation/us/states/ca/20192020/sb-13.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	Accessory dwelling units.	(1) The Planning and Zoning Law authorizes a local agency, by ordinance, or, if a local agency has not adopted an ordinance, by ministerial approval, to provide for the creation of accessory dwelling units in single-family and multifamily residential zones in accordance with specified standards and conditions. Existing law requires any ordinance adopted by a local agency to comply with certain criteria, including that it require accessory dwelling units to be either attached to, or located within, the proposed or existing primary dwelling or detached if located within the same lot, and that it does not exceed a specified amount of total area of floor space.	us/states/ca	California Legislature	20192020	SB 13	California SB 13 (20192020)	bill	Accessory dwelling units.	enacted	Wieckowski	13	37	10	2018-12-03	2019-10-09	openstates	ocd-bill/b8161276-8882-498d-887c-ef57c694fe8f	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200SB13	ce2ab765ea1b982d52bba96597914b0c16403c047476ca5223362ba6f6f71235	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California SB 13 (20192020) — Accessory dwelling units.

(1) The Planning and Zoning Law authorizes a local agency, by ordinance, or, if a local agency has not adopted an ordinance, by ministerial approval, to provide for the creation of accessory dwelling units in single-family and multifamily residential zones in accordance with specified standards and conditions. Existing law requires any ordinance adopted by a local agency to comply with certain criteria, including that it require accessory dwelling units to be either attached to, or located within, the proposed or existing primary dwelling or detached if located within the same lot, and that it does not exceed a specified amount of total area of floor space.

Version chain

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

1. 12/03/18 - Introduced (filed) — source
2. 03/11/19 - Amended Senate (committee substitute) — source
3. 04/04/19 - Amended Senate (committee substitute) — source
4. 04/23/19 - Amended Senate (committee substitute) — source
5. 05/17/19 - Amended Senate (committee substitute) — source
6. 06/24/19 - Amended Assembly (committee substitute) — source
7. 07/01/19 - Amended Assembly (committee substitute) — source
8. 08/12/19 - Amended Assembly (committee substitute) — source
9. 09/03/19 - Amended Assembly (committee substitute) — source
10. 09/06/19 - Amended Assembly (committee substitute) — source
11. 10/09/19 - Chaptered (committee substitute) — source
12. SB13 (committee substitute) — source
13. 09/17/19 - Enrolled (enrolled) — source

Votes

• Unifinished Business — 35–4 (pass) · upper
• SB 13 Wieckowski Senate Third Reading By Voepel — 68–6 (pass) · lower
• Do pass as amended, but first amend, and re-refer to the Committee on [Governance and Finance] — 10–0 (pass) · upper
• 3rd Reading SB13 Wieckowski et al. — 34–2 (pass) · upper
• Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — 7–0 (pass) · upper
• Do pass as amended — 6–0 (pass) · upper
• Do pass as amended and be re-referred to the Committee on [Local Government] — 6–0 (pass) · lower
• Do pass as amended. — 14–1 (pass) · lower
• Placed on suspense file — 5–0 (pass) · upper
• Do pass as amended and be re-referred to the Committee on [Appropriations] — 8–0 (pass) · lower

Sponsors

• Wieckowski — primary (person)
• Beall — principal coauthor (person)
• Bloom — coauthor (person)
• Boerner Horvath — coauthor (person)
• Carrillo — coauthor (person)
• Friedman — coauthor (person)
• Gloria — principal coauthor (person)
• Hertzberg — principal coauthor (person)
• Levine — coauthor (person)
• Nielsen — coauthor (person)
• Patterson — coauthor (person)
• Quirk-Silva — principal coauthor (person)
• Skinner — coauthor (person)
• Wiener — principal coauthor (person)

Timeline

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

• 2018-12-03 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
• 2018-12-04 From printer. May be acted upon on or after January 3.
• 2019-01-16 Referred to Com. on RLS. referral-committee
• 2019-03-11 From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. reading-1, reading-2, amendment-passage, committee-passage, referral-committee
• 2019-03-20 Re-referred to Coms. on HOUSING and GOV. & F. referral-committee
• 2019-03-26 Set for hearing April 2.
• 2019-04-03 From committee: Do pass as amended and re-refer to Com. on GOV. & F. (Ayes 10. Noes 0. Page 551.) (April 2). committee-passage-favorable, committee-passage, amendment-passage
• 2019-04-04 Read second time and amended. Re-referred to Com. on GOV. & F. reading-1, reading-2, amendment-passage, referral-committee
• 2019-04-05 Set for hearing April 10.
• 2019-04-22 From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 0. Page 712.) (April 10). committee-passage-favorable, committee-passage, amendment-passage
• 2019-04-23 Read second time and amended. Re-referred to Com. on APPR. reading-1, reading-2, amendment-passage, referral-committee
• 2019-04-26 Set for hearing May 6.
• 2019-05-06 May 6 hearing: Placed on APPR. suspense file.
• 2019-05-10 Set for hearing May 16.
• 2019-05-17 From committee: Do pass as amended. (Ayes 6. Noes 0. Page 1087.) (May 16). committee-passage-favorable, committee-passage, amendment-passage
• 2019-05-17 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
• 2019-05-20 Read second time. Ordered to third reading. reading-1, reading-2
• 2019-05-22 Read third time. Passed. (Ayes 34. Noes 2. Page 1216.) Ordered to the Assembly. passage, reading-3, reading-1
• 2019-05-22 In Assembly. Read first time. Held at Desk. reading-1
• 2019-06-06 Referred to Coms. on H. & C.D. and L. GOV. referral-committee
• 2019-06-20 From committee: Do pass as amended and re-refer to Com. on L. GOV. (Ayes 6. Noes 0.) (June 19). committee-passage-favorable, committee-passage, amendment-passage
• 2019-06-24 Read second time and amended. Re-referred to Com. on L. GOV. reading-1, reading-2, amendment-passage, referral-committee
• 2019-07-01 From committee with author's amendments. Read second time and amended. Re-referred to Com. on L. GOV. reading-1, reading-2, amendment-passage, committee-passage, referral-committee
• 2019-07-11 From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 8. Noes 0.) (July 10). committee-passage-favorable, committee-passage, amendment-passage
• 2019-08-12 Read second time and amended. Re-referred to Com. on APPR. reading-1, reading-2, amendment-passage, referral-committee
• 2019-08-21 August 21 set for first hearing. Placed on APPR. suspense file.
• 2019-08-30 From committee: Do pass as amended. (Ayes 14. Noes 1.) (August 30). committee-passage-favorable, committee-passage, amendment-passage
• 2019-09-03 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
• 2019-09-04 Read second time. Ordered to third reading. reading-1, reading-2
• 2019-09-06 Read third time and amended. amendment-passage, reading-3, reading-1
• 2019-09-06 Ordered to third reading.
• 2019-09-13 Read third time. Passed. (Ayes 68. Noes 6. Page 3534.) Ordered to the Senate. passage, reading-3, reading-1
• 2019-09-13 In Senate. Concurrence in Assembly amendments pending.
• 2019-09-13 Assembly amendments concurred in. (Ayes 35. Noes 4. Page 2938.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
• 2019-09-20 Enrolled and presented to the Governor at 10 a.m.
• 2019-10-09 Approved by the Governor. executive-signature
• 2019-10-09 Chaptered by Secretary of State. Chapter 653, Statutes of 2019.

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/b8161276-8882-498d-887c-ef57c694fe8f. Confidence: reported (aggregated from official California legislature records).