republic-os/legislation/us/states/ca/20172018/sb-1018.md

---
type: "Bill"
title: "Elections: state and local reapportionment."
description: "Existing law authorizes a local jurisdiction, defined as a county or general law city, to establish by resolution or ordinance a commission composed of residents of the local jurisdiction to either change the boundaries of the districts of the local jurisdiction's legislative body or recommend to the governing body changes to the boundaries of the districts. Existing law defines a \"legislative body\" for these purposes to mean either a city council of a general law city or a county board of supervisors."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "SB 1018"
citation: "California SB 1018 (20172018)"
classification: ["bill"]
subjects: ["Elections: state and local reapportionment."]
status: "enacted"
primary_sponsors: ["Allen"]
version_count: 10
action_count: 29
vote_count: 7
first_action: "2018-02-07"
last_action: "2018-09-17"
source: "openstates"
source_identifier: "ocd-bill/45079a7c-d13b-40e1-b4b5-d25fe365bba9"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180SB1018"
source_hash: "181f6453bead7c20d605857d3346aa2907199549016a81840976d0aaeb39b257"
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 SB 1018 (20172018) — Elections: state and local reapportionment.

Existing law authorizes a local jurisdiction, defined as a county or general law city, to establish by resolution or ordinance a commission composed of residents of the local jurisdiction to either change the boundaries of the districts of the local jurisdiction's legislative body or recommend to the governing body changes to the boundaries of the districts. Existing law defines a "legislative body" for these purposes to mean either a city council of a general law city or a county board of supervisors.

## Version chain

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

1. **02/07/18 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101899INT)
2. **03/12/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101898AMD)
3. **03/22/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101897AMD)
4. **04/04/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101896AMD)
5. **05/15/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101895AMD)
6. **06/06/18 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101894AMD)
7. **06/14/18 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101893AMD)
8. **09/17/18 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101891CHP)
9. **SB1018** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180SB1018)
10. **08/21/18 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB1018&version=20170SB101892ENR)

## Votes

- Do pass. — **8–0** (pass) · lower
- Unfinished Business SB1018 Allen Concurrence — **36–0** (pass) · upper
- Do pass — **7–0** (pass) · upper
- Do pass as amended and be re-referred to the Committee on [Local Government] — **6–0** (pass) · lower
- SB 1018 Allen Senate Third Reading By BERMAN — **67–3** (pass) · lower
- Do pass as amended, but first amend, and re-refer to the Committee on [Rules] — **4–0** (pass) · upper
- 3rd Reading — **36–0** (pass) · upper

## Sponsors

- Allen — primary (person)

## Timeline

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

- **2018-02-07** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
- **2018-02-08** From printer. May be acted upon on or after March 10.
- **2018-02-14** Referred to Com. on E. & C.A. `referral-committee`
- **2018-03-12** Set for hearing April 3.
- **2018-03-12** From committee with author's amendments. Read second time and amended. Re-referred to Com. on E. & C.A. `reading-2, referral-committee, amendment-passage, committee-passage, reading-1`
- **2018-03-22** From committee with author's amendments. Read second time and amended. Re-referred to Com. on E. & C.A. `reading-2, referral-committee, amendment-passage, committee-passage, reading-1`
- **2018-04-03** From committee: Do pass as amended and re-refer to Com. on RLS. (Ayes 4. Noes 0. Page 4514.) (April 3). `committee-passage-favorable, committee-passage, amendment-passage`
- **2018-04-04** Read second time and amended. Re-referred to Com. on RLS. `amendment-passage, reading-2, referral-committee, reading-1`
- **2018-04-12** Re-referred to Com. on GOV. & F. `referral-committee`
- **2018-04-17** Set for hearing May 2.
- **2018-05-02** From committee: Do pass. (Ayes 7. Noes 0. Page 4914.) (May 2). `committee-passage-favorable, committee-passage`
- **2018-05-03** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-05-15** Read third time and amended. `amendment-passage, reading-3, reading-1`
- **2018-05-15** Ordered to second reading.
- **2018-05-16** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-05-21** Read third time. Passed. (Ayes 36. Noes 0. Page 4226.) Ordered to the Assembly. `reading-3, passage, reading-1`
- **2018-05-21** In Assembly. Read first time. Held at Desk. `reading-1`
- **2018-05-31** Referred to Coms. on E. & R. and L. GOV. `referral-committee`
- **2018-06-06** From committee with author's amendments. Read second time and amended. Re-referred to Com. on E. & R. `reading-2, referral-committee, amendment-passage, committee-passage, reading-1`
- **2018-06-13** From committee: Do pass as amended and re-refer to Com. on L. GOV. (Ayes 6. Noes 0.) (June 13). `committee-passage-favorable, committee-passage, amendment-passage`
- **2018-06-14** Read second time and amended. Re-referred to Com. on L. GOV. `amendment-passage, reading-2, referral-committee, reading-1`
- **2018-06-28** From committee: Do pass. (Ayes 8. Noes 0.) (June 27). `committee-passage-favorable, committee-passage`
- **2018-07-02** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-08-16** Read third time. Passed. (Ayes 67. Noes 3. Page 6303.) Ordered to the Senate. `reading-3, passage, reading-1`
- **2018-08-16** In Senate. Concurrence in Assembly amendments pending.
- **2018-08-20** Assembly amendments concurred in. (Ayes 36. Noes 0. Page 5424.) Ordered to engrossing and enrolling. `committee-passage-favorable, amendment-passage`
- **2018-08-24** Enrolled and presented to the Governor at 4 p.m.
- **2018-09-17** Approved by the Governor. `executive-signature`
- **2018-09-17** Chaptered by Secretary of State. Chapter 462, Statutes of 2018.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/45079a7c-d13b-40e1-b4b5-d25fe365bba9`. Confidence: reported (aggregated from official California legislature records).