republic-os/legislation/us/states/ca/20172018/ab-2973.md

---
type: "Bill"
title: "Land use: Subdivision Map Act: expiration dates."
description: "(1) The Subdivision Map Act vests the authority to regulate and control the design and improvement of subdivisions in the legislative body of a local agency, and sets forth procedures governing the local agency's processing, approval, conditional approval or disapproval, and filing of tentative, final, and parcel maps, and the modification thereof. The act generally requires a subdivider to file a tentative map or vesting tentative map with the local agency, as specified, and the local agency, in turn, to approve, conditionally approve, or disapprove the map within a specified time period. The act requires an approved tentative map or vesting tentative map to expire 24 months after its approval, or after an additional period of time prescribed by local ordinance, not to exceed 12 months. However, the act extends the expiration date of certain approved tentative maps and vesting tentative maps, as specified."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 2973"
citation: "California AB 2973 (20172018)"
classification: ["bill"]
subjects: ["Land use: Subdivision Map Act: expiration dates."]
status: "enacted"
primary_sponsors: ["Gray"]
version_count: 5
action_count: 20
vote_count: 7
first_action: "2018-02-16"
last_action: "2018-09-27"
source: "openstates"
source_identifier: "ocd-bill/c404b1ec-6fde-4ae6-b5b9-d6ca5a3faeea"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB2973"
source_hash: "2d7873e26ddfad957c45c3ef7a40d45670c4510f7b99ce19cc5bf17f8741e2fc"
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 2973 (20172018) — Land use: Subdivision Map Act: expiration dates.

(1) The Subdivision Map Act vests the authority to regulate and control the design and improvement of subdivisions in the legislative body of a local agency, and sets forth procedures governing the local agency's processing, approval, conditional approval or disapproval, and filing of tentative, final, and parcel maps, and the modification thereof. The act generally requires a subdivider to file a tentative map or vesting tentative map with the local agency, as specified, and the local agency, in turn, to approve, conditionally approve, or disapprove the map within a specified time period. The act requires an approved tentative map or vesting tentative map to expire 24 months after its approval, or after an additional period of time prescribed by local ordinance, not to exceed 12 months. However, the act extends the expiration date of certain approved tentative maps and vesting tentative maps, as specified.

## Version chain

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

1. **02/16/18 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB2973&version=20170AB297399INT)
2. **07/03/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB2973&version=20170AB297398AMD)
3. **09/27/18 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB2973&version=20170AB297396CHP)
4. **AB2973** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB2973)
5. **09/05/18 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB2973&version=20170AB297397ENR)

## Votes

- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **7–0** (pass) · upper
- AB 2973 GRAY Concurrence in Senate Amendments — **80–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Housing and Community Development] — **9–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] — **7–0** (pass) · lower
- AB 2973 GRAY Consent Calendar Second Day — **73–0** (pass) · lower
- 3rd Reading AB2973 Gray By Galgiani — **39–0** (pass) · upper
- Do pass. To Consent Calendar. — **16–0** (pass) · lower

## Sponsors

- Gray — primary (person)

## Timeline

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

- **2018-02-16** Read first time. To print. `reading-1`
- **2018-02-17** From printer. May be heard in committee March 19.
- **2018-03-08** Referred to Coms. on L. GOV. and H. & C.D. `referral-committee`
- **2018-04-12** From committee: Do pass and re-refer to Com. on H. & C.D. (Ayes 9. Noes 0.) (April 11). Re-referred to Com. on H. & C.D. `committee-passage-favorable, committee-passage, referral-committee`
- **2018-04-25** From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (April 25). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2018-05-09** From committee: Do pass. To Consent Calendar. (Ayes 16. Noes 0.) (May 9). `committee-passage-favorable, committee-passage`
- **2018-05-10** Read second time. Ordered to Consent Calendar. `reading-2, reading-1`
- **2018-05-17** Read third time. Passed. Ordered to the Senate. (Ayes 73. Noes 0. Page 5217.) `reading-3, passage, reading-1`
- **2018-05-17** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2018-05-30** Referred to Com. on GOV. & F. `referral-committee`
- **2018-07-02** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (June 27). `amendment-passage, committee-passage, amendment-introduction`
- **2018-07-03** Read second time and amended. Re-referred to Com. on APPR. `amendment-passage, reading-2, referral-committee, reading-1`
- **2018-08-06** From committee: Be ordered to second reading pursuant to Senate Rule 28.8. `committee-passage, reading-2`
- **2018-08-07** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-08-29** Read third time. Passed. Ordered to the Assembly. (Ayes 39. Noes 0. Page 5962.). `reading-3, passage, reading-1`
- **2018-08-29** In Assembly. Concurrence in Senate amendments pending.
- **2018-08-31** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 80. Noes 0.). `committee-passage-favorable, amendment-passage`
- **2018-09-12** Enrolled and presented to the Governor at 12 p.m.
- **2018-09-27** Approved by the Governor. `executive-signature`
- **2018-09-27** Chaptered by Secretary of State - Chapter 830, Statutes of 2018.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c404b1ec-6fde-4ae6-b5b9-d6ca5a3faeea`. Confidence: reported (aggregated from official California legislature records).