---
type: "Bill"
title: "Mobilehome parks: water utility charges."
description: "Existing law, the Mobilehome Residency Law, governs the term and conditions of mobilehome park tenancies. Existing law, if the management of a mobilehome park elects to separately bill water utility service to homeowners, limits charges and fees on homeowners in connection with those services to specified types of charges and fees."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20232024"
identifier: "AB 604"
citation: "California AB 604 (20232024)"
classification: ["bill"]
subjects: ["Mobilehome parks", "water utility charges"]
status: "enacted"
primary_sponsors: ["Lee"]
version_count: 5
action_count: 21
vote_count: 7
first_action: "2023-02-09"
last_action: "2023-10-13"
source: "openstates"
source_identifier: "ocd-bill/3fb092d2-5a92-40b9-801f-ea3543186d6d"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB604"
source_hash: "3d80e0d769cfc9e049098ded73742c30ff31bba41bb6c1610cf4884962a936c8"
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 604 (20232024) — Mobilehome parks: water utility charges.

Existing law, the Mobilehome Residency Law, governs the term and conditions of mobilehome park tenancies. Existing law, if the management of a mobilehome park elects to separately bill water utility service to homeowners, limits charges and fees on homeowners in connection with those services to specified types of charges and fees.

## Version chain

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

1. **02/09/23 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB604&version=20230AB60499INT)
2. **07/12/23 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB604&version=20230AB60498AMD)
3. **10/13/23 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB604&version=20230AB60496CHP)
4. **AB604** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB604)
5. **09/11/23 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB604&version=20230AB60497ENR)

## Votes

- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **15–2** (pass) · upper
- Do pass. — **11–4** (pass) · lower
- AB 604 Lee Concurrence in Senate Amendments — **54–14** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Energy, Utilities and Communications] — **9–2** (pass) · upper
- 3rd Reading AB604 Lee By Dodd — **30–7** (pass) · upper
- AB 604 Lee Assembly Third Reading — **49–13** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] — **6–2** (pass) · lower

## Sponsors

- Lee — primary (person)

## Timeline

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

- **2023-02-09** Read first time. To print. `reading-1`
- **2023-02-10** From printer. May be heard in committee March 12.
- **2023-02-17** Referred to Com. on H. & C.D. `referral-committee`
- **2023-03-29** From committee: Do pass and re-refer to Com. on APPR. (Ayes 6. Noes 2.) (March 29). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2023-04-19** From committee: Do pass. (Ayes 11. Noes 4.) (April 19). `committee-passage, committee-passage-favorable`
- **2023-04-20** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2023-04-24** Read third time. Passed. Ordered to the Senate. (Ayes 49. Noes 13. Page 1299.) `passage, reading-1, reading-3`
- **2023-04-24** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2023-05-03** Referred to Coms. on JUD. and E., U. & C. `referral-committee`
- **2023-06-21** From committee: Do pass and re-refer to Com. on E., U. & C. (Ayes 9. Noes 2.) (June 20). Re-referred to Com. on E., U. & C. `committee-passage, committee-passage-favorable, referral-committee`
- **2023-07-11** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 15. Noes 2.) (July 10). `amendment-introduction, amendment-passage, committee-passage, referral-committee`
- **2023-07-12** Read second time and amended. Re-referred to Com. on APPR. `amendment-passage, reading-1, reading-2, referral-committee`
- **2023-08-14** From committee: Be ordered to second reading pursuant to Senate Rule 28.8. `committee-passage, reading-2`
- **2023-08-15** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2023-09-06** Read third time. Passed. Ordered to the Assembly. (Ayes 30. Noes 7. Page 2393.). `passage, reading-1, reading-3`
- **2023-09-06** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 8 pursuant to Assembly Rule 77.
- **2023-09-07** Assembly Rule 77 suspended. (Page 3011.)
- **2023-09-07** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 54. Noes 14. Page 3039.). `amendment-passage, committee-passage-favorable`
- **2023-09-13** Enrolled and presented to the Governor at 3 p.m.
- **2023-10-13** Approved by the Governor. `executive-signature`
- **2023-10-13** Chaptered by Secretary of State - Chapter 807, Statutes of 2023. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3fb092d2-5a92-40b9-801f-ea3543186d6d`. Confidence: reported (aggregated from official California legislature records).