---
type: "Bill"
title: "Local government: taxicab transportation services."
description: "(1) Existing law, commencing on January 1, 2019, requires every city or county in which a taxicab is substantially located to adopt an ordinance or resolution in regard to taxicab transportation service and requires each city or county to provide for a policy for entry into the business of providing taxicab transportation service, the establishment or registration of rates for the provision of taxicab transportation service, and a mandatory controlled substance and alcohol testing certification program for drivers. Existing law similarly authorizes the City and County of San Francisco, regardless of whether or not a taxicab company is substantially located within that city and county. Existing law prohibits a city or county from requiring a taxicab company or driver to comply with specified local regulations, unless that taxicab company or driver is substantially located within that city or county. Existing law prohibits a taxicab company or a taxicab driver from operating within a county unless the company and driver are substantially located in at least one city within that county or the unincorporated area of that county. Existing law authorizes a permitted taxicab company to arrange prearranged trips anywhere within the county in which it has obtained a permit."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 939"
citation: "California AB 939 (20172018)"
classification: ["bill"]
subjects: ["Local government: taxicab transportation services."]
status: "enacted"
primary_sponsors: ["Low"]
version_count: 8
action_count: 40
vote_count: 9
first_action: "2017-02-16"
last_action: "2018-09-18"
source: "openstates"
source_identifier: "ocd-bill/914a0d6e-544e-4c05-a428-ee518e4ca51d"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB939"
source_hash: "bd517bb3cdc81f802cf8f24fef8581813a9c4c79c8e69cf6e689ee070096b146"
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 939 (20172018) — Local government: taxicab transportation services.

(1) Existing law, commencing on January 1, 2019, requires every city or county in which a taxicab is substantially located to adopt an ordinance or resolution in regard to taxicab transportation service and requires each city or county to provide for a policy for entry into the business of providing taxicab transportation service, the establishment or registration of rates for the provision of taxicab transportation service, and a mandatory controlled substance and alcohol testing certification program for drivers. Existing law similarly authorizes the City and County of San Francisco, regardless of whether or not a taxicab company is substantially located within that city and county. Existing law prohibits a city or county from requiring a taxicab company or driver to comply with specified local regulations, unless that taxicab company or driver is substantially located within that city or county. Existing law prohibits a taxicab company or a taxicab driver from operating within a county unless the company and driver are substantially located in at least one city within that county or the unincorporated area of that county. Existing law authorizes a permitted taxicab company to arrange prearranged trips anywhere within the county in which it has obtained a permit.

## Version chain

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

1. **02/16/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB939&version=20170AB93999INT)
2. **05/30/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB939&version=20170AB93998AMD)
3. **06/21/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB939&version=20170AB93997AMD)
4. **08/06/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB939&version=20170AB93996AMD)
5. **08/20/18 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB939&version=20170AB93995AMD)
6. **09/18/18 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB939&version=20170AB93993CHP)
7. **AB939** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB939)
8. **09/05/18 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB939&version=20170AB93994ENR)

## Votes

- AB 939 LOW Concurrence in Senate Amendments — **80–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar — **7–0** (pass) · lower
- Do pass. — **17–0** (pass) · lower
- 3rd Reading AB939 Low By McGuire — **39–0** (pass) · upper
- With recommendation: That Senate amendments be concurred in. — **12–0** (pass) · lower
- AB 939 LOW Assembly Third Reading — **77–0** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Appropriations] — **12–0** (pass) · upper
- Do pass as amended, but first amend, and re-refer to the Committee on [Transportation and Housing] — **7–0** (pass) · upper
- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **5–0** (pass) · upper

## Sponsors

- Low — primary (person)

## Timeline

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

- **2017-02-16** Read first time. To print. `reading-1`
- **2017-02-17** From printer. May be heard in committee March 19.
- **2017-03-02** Referred to Com. on E. & R. `referral-committee`
- **2017-03-22** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 7. Noes 0.) (March 22). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-04-05** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2017-05-26** From committee: Do pass. (Ayes 17. Noes 0.) (May 26). `committee-passage-favorable, committee-passage`
- **2017-05-26** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-05-30** Read third time. Passed. Ordered to the Senate. (Ayes 77. Noes 0. Page 1830.) `reading-3, passage, reading-1`
- **2017-05-30** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2017-06-08** Referred to Com. on E. & C.A. `referral-committee`
- **2017-07-13** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 5. Noes 0.) (July 12). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-08-21** From committee: Be placed on second reading file pursuant to Senate Rule 28.8 and ordered to consent calendar. `committee-passage`
- **2017-08-22** Read second time. Ordered to Consent Calendar. `reading-2, reading-1`
- **2017-08-24** From Consent Calendar.
- **2017-08-24** Ordered to third reading.
- **2017-09-16** Ordered to inactive file at the request of Senator McGuire.
- **2018-05-25** From inactive file.
- **2018-05-25** Ordered to second reading.
- **2018-05-29** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-05-30** Read third time and amended. Ordered to second reading. `amendment-passage, reading-3, reading-1`
- **2018-05-31** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-05-31** Re-referred to Com. on RLS. pursuant to Senate Rule 29.10(c). `referral-committee`
- **2018-06-07** Re-referred to Coms. on GOV. & F. and T. & H. `referral-committee`
- **2018-06-20** From committee: Amend, and do pass as amended and re-refer to Com. on T. & H. (Ayes 7. Noes 0.) (June 20). `amendment-passage, committee-passage, amendment-introduction`
- **2018-06-21** Read second time and amended. Re-referred to Com. on T. & H. `amendment-passage, reading-2, referral-committee, reading-1`
- **2018-06-27** From committee: Do pass and re-refer to Com. on APPR. (Ayes 12. Noes 0.) (June 26). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2018-08-06** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on APPR. `amendment-passage, referral-committee, reading-2, reading-1, amendment-introduction`
- **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`
- **2018-08-20** Read third time and amended. Ordered to second reading. `amendment-passage, reading-3, reading-1`
- **2018-08-21** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2018-08-28** Read third time. Passed. Ordered to the Assembly. (Ayes 39. Noes 0. Page 5887.). `reading-3, passage, reading-1`
- **2018-08-28** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 30 pursuant to Assembly Rule 77.
- **2018-08-29** Re-referred to Com. on C. & C. pursuant to Assembly Rule 77.2. `referral-committee`
- **2018-08-29** Joint Rule 62(a), file notice suspended. (Page 6786.)
- **2018-08-30** From committee: That the Senate amendments be concurred in. (Ayes 12. Noes 0.) (August 30). `committee-passage`
- **2018-08-31** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 80. Noes 0.). `committee-passage-favorable, amendment-passage`
- **2018-09-11** Enrolled and presented to the Governor at 4:30 p.m.
- **2018-09-18** Approved by the Governor. `executive-signature`
- **2018-09-18** Chaptered by Secretary of State - Chapter 472, Statutes of 2018.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/914a0d6e-544e-4c05-a428-ee518e4ca51d`. Confidence: reported (aggregated from official California legislature records).