republic-os/legislation/us/states/ca/20092010/ab-2133.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	Geologic hazards: earthquake fault zoning.	Under the Alquist-Priolo Earthquake Fault Zoning Act, prior to approving a project within an earthquake fault zone, a city or county is directed to require the preparation of a geologic report, subject to certain exceptions. Existing law exempts from this requirement certain projects for alterations that include seismic retrofitting if a city or county, among other things, requires certain seismic retrofitting and prohibits an increase in human occupancy load.	us/states/ca	California Legislature	20092010	AB 2133	California AB 2133 (20092010)	bill	Geologic hazards: earthquake fault zoning.	enacted	Niello	7	28	6	2010-02-18	2010-09-24	openstates	ocd-bill/342ce6e4-5df0-4fdd-9012-66362aac6b74	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB2133	f971e4726c903f479f2bddad8f39005d15ea3c9df2f3a652f578145eaf18383e	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California AB 2133 (20092010) — Geologic hazards: earthquake fault zoning.

Under the Alquist-Priolo Earthquake Fault Zoning Act, prior to approving a project within an earthquake fault zone, a city or county is directed to require the preparation of a geologic report, subject to certain exceptions. Existing law exempts from this requirement certain projects for alterations that include seismic retrofitting if a city or county, among other things, requires certain seismic retrofitting and prohibits an increase in human occupancy load.

Version chain

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

1. 02/18/10 - Introduced (filed) — source
2. 04/29/10 - Amended Assembly (committee substitute) — source
3. 05/13/10 - Amended Assembly (committee substitute) — source
4. 08/20/10 - Amended Senate (committee substitute) — source
5. 09/24/10 - Chaptered (committee substitute) — source
6. AB2133 (committee substitute) — source
7. 09/01/10 - Enrolled (enrolled) — source

Votes

• Do pass and be re-referred to the Committee on Appropriations. — pass (pass) · lower
• Do pass, but re-refer to the Committee on Appropriations. — pass (pass) · upper
• AB 2133 NIELLO Concurrence in Senate Amendments — pass (pass) · lower
• Assembly 3rd Reading AB2133 Niello By Liu — pass (pass) · upper
• AB 2133 NIELLO Assembly Third Reading — pass (pass) · lower
• Do pass. — pass (pass) · lower

Sponsors

• Niello — primary (person)

Timeline

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

• 2010-02-18 Read first time. To print. reading-1
• 2010-02-19 From printer. May be heard in committee March 21.
• 2010-03-04 Referred to Com. on L. GOV. referral-committee
• 2010-04-06 In committee: Set, first hearing. Hearing canceled at the request of author.
• 2010-04-22 From committee: Do pass, and re-refer to Com. on APPR. Re-referred. (Ayes 8. Noes 0.) (April 21). committee-passage-favorable, committee-passage
• 2010-04-29 From committee chair, with author's amendments: Amend, and re-refer to Com. on APPR. Read second time and amended. amendment-introduction, reading-2, amendment-passage, reading-1
• 2010-05-03 Re-referred to Com. on APPR. referral-committee
• 2010-05-13 From committee chair, with author's amendments: Amend, and re-refer to Com. on APPR. Read second time and amended. amendment-introduction, reading-2, amendment-passage, reading-1
• 2010-05-17 Re-referred to Com. on APPR. referral-committee
• 2010-05-19 From committee: Do pass. (Ayes 16. Noes 0.) (May 19). committee-passage-favorable, committee-passage
• 2010-05-20 Read second time. To third reading. reading-2, reading-1
• 2010-05-24 Read third time, passed, and to Senate. (Ayes 69. Noes 1. Page 5287.) reading-3, passage, reading-1
• 2010-05-24 In Senate. Read first time. To Com. on RLS. for assignment. reading-1
• 2010-06-03 Referred to Com. on L. GOV. referral-committee
• 2010-06-30 From committee: Do pass, and re-refer to Com. on APPR. Re-referred. (Ayes 4. Noes 0.) (June 30). committee-passage-favorable, committee-passage
• 2010-08-02 From committee: Be placed on second reading file pursuant to Senate Rule 28.8. committee-passage
• 2010-08-03 Read second time. To third reading. reading-2, reading-1
• 2010-08-20 Read third time, amended. To second reading. reading-3, amendment-passage, reading-1
• 2010-08-20 (Corrected August 27.)
• 2010-08-20 (Corrected August 30.)
• 2010-08-23 Read second time. To third reading. reading-2, reading-1
• 2010-08-24 Read third time, passed, and to Assembly. (Ayes 32. Noes 3. Page 4840.) reading-3, passage, reading-1
• 2010-08-24 In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 26 pursuant to Assembly Rule 77.
• 2010-08-25 Assembly Rule 77 suspended. (Page 6644.)
• 2010-08-25 Senate amendments concurred in. To enrollment. (Ayes 74. Noes 0. Page 6659.) amendment-passage, committee-passage-favorable
• 2010-09-03 Enrolled and to the Governor at 3 p.m.
• 2010-09-23 Approved by the Governor. executive-signature
• 2010-09-24 Chaptered by Secretary of State - Chapter 251, Statutes of 2010.

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/342ce6e4-5df0-4fdd-9012-66362aac6b74. Confidence: reported (aggregated from official California legislature records).