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CaliforniaSB 3582025-2026 Regular SessionSenateWALLET

Mitigation Fee Act: mitigating vehicular traffic impacts.

Sponsored By: Josh Becker (Democratic)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

3 provisions identified: 1 benefits, 0 costs, 2 mixed.

Limits on road-widening land demands for housing

Local agencies cannot make housing projects give up land without pay to widen roads to mitigate traffic, meet a traffic level of service, or hit a chosen roadway width. Three exceptions apply. First, if the site is not in a transit priority area and has 500 feet or more of street frontage. Second, if the agency makes a project-specific, evidence-backed finding that a dedication is needed for traffic safety to protect public health and welfare, including pedestrians, cyclists, and children. Third, if the dedication is for public improvements like sidewalks or sewer work.

Lower traffic fees for transit-area housing

Local agencies must set the traffic-impact part of fees lower for certain housing near transit. To qualify, the project is in a transit priority area. A major transit stop at or serving the site exists or is programmed to finish before or within one year of the project’s completion and occupancy. The site is within one-half mile of at least three amenities like a supermarket, park, community center, pharmacy, clinic or hospital, library, K–12 school, licensed childcare, or a restaurant. Parking is capped at one space for 0–2 bedroom units and two spaces for 3+ bedroom units. An agency can keep the higher fee only with written findings, backed by substantial evidence in the record at or before approval, that the project will not reduce car trips.

Key definitions for transit-area housing rules

The law defines who and what these rules cover. A “housing development” has common ownership or financing and at least 50% of floorspace is homes. “Land dedication” means giving land for public use without pay. A “major transit stop” includes planned stops set to finish before or within one year of the project’s completion and occupancy. “Roadway” and “transit priority area” use state code definitions. These terms decide which projects get lower traffic fees and the land-dedication limits.

Sponsors & Cosponsors

Sponsor

  • Josh Becker

    Democratic • Senate

Cosponsors

There are no cosponsors for this bill.

Roll Call Votes

All Roll Calls

Yes: 133 • No: 38

Senate vote • 9/8/2025

Item 170 — Senate SFLOOR

Yes: 28 • No: 9

House vote • 9/3/2025

Item 193 — Assembly AFLOOR

Yes: 53 • No: 14

legislature vote • 8/20/2025

Vote in CX25

Yes: 11 • No: 2

legislature vote • 7/2/2025

Vote in CX15

Yes: 9 • No: 0

Senate vote • 6/2/2025

Item 232 — Senate SFLOOR

Yes: 27 • No: 11

legislature vote • 4/30/2025

Vote in CS82

Yes: 5 • No: 2

Actions Timeline

  1. Chaptered by Secretary of State. Chapter 515, Statutes of 2025.

    10/10/2025Senate

  2. Approved by the Governor.

    10/10/2025legislature

  3. Enrolled and presented to the Governor at 3 p.m.

    9/16/2025legislature

  4. Assembly amendments concurred in. (Ayes 28. Noes 9. Page 2605.) Ordered to engrossing and enrolling.

    9/8/2025Senate

  5. In Senate. Concurrence in Assembly amendments pending.

    9/3/2025Senate

  6. Read third time. Passed. (Ayes 53. Noes 14. Page 2869.) Ordered to the Senate.

    9/3/2025House

  7. Read second time. Ordered to third reading.

    8/21/2025House

  8. From committee: Do pass. (Ayes 11. Noes 2.) (August 20).

    8/20/2025House

  9. Read second time and amended. Re-referred to Com. on APPR.

    7/7/2025House

  10. From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (July 2).

    7/3/2025House

  11. Referred to Com. on L. GOV.

    6/9/2025House

  12. In Assembly. Read first time. Held at Desk.

    6/3/2025House

  13. Read third time. Passed. (Ayes 27. Noes 11. Page 1378.) Ordered to the Assembly.

    6/2/2025Senate

  14. Read second time. Ordered to third reading.

    5/28/2025Senate

  15. Ordered to second reading.

    5/27/2025Senate

  16. Read third time and amended.

    5/27/2025Senate

  17. Read second time. Ordered to third reading.

    5/20/2025Senate

  18. From committee: Be ordered to second reading pursuant to Senate Rule 28.8.

    5/19/2025Senate

  19. Set for hearing May 19.

    5/9/2025Senate

  20. Read second time and amended. Re-referred to Com. on APPR.

    5/1/2025Senate

  21. From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 5. Noes 2. Page 968.) (April 30).

    4/30/2025Senate

  22. Set for hearing April 30.

    4/11/2025Senate

  23. April 23 set for first hearing canceled at the request of author.

    4/10/2025Senate

  24. Set for hearing April 23.

    3/24/2025Senate

  25. Referred to Com. on L. GOV.

    2/19/2025Senate

Bill Text

  • Chaptered

    10/10/2025

    HTML

  • Enrolled

    9/10/2025

    HTML

  • Amended Assembly

    7/7/2025

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  • Amended Senate

    5/27/2025

    HTML

  • Amended Senate

    5/1/2025

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  • Introduced

    2/12/2025

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