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California · 2025–26 Regular Session · Assembly Bill

AB 1154: Junior accessory dwelling units.

Enacted Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted

Last official action: ·Record last updated:

Plain-language summary

AB 1154 is a assembly bill introduced in the California Assembly on February 20, 2025. According to its official title, it concerns: Junior accessory dwelling units. Primary sponsor: Juan Carrillo (D). Most recent recorded action (October 10, 2025): Chaptered by Secretary of State - Chapter 507, Statutes of 2025.

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Official summary

Legislative Counsel’s Digest (official, as of the latest version). Written by nonpartisan legislative staff; reproduced verbatim.

The Planning and Zoning Law, among other things, provides for the creation of

junior accessory dwelling units by local ordinance, or, if a local agency has not adopted an ordinance, by ministerial approval, in accordance with specified standards and conditions. Existing law requires an ordinance that provides for the creation of a junior accessory dwelling unit to, among other things, require owner-occupancy in the single-family residence in which the junior accessory dwelling unit is permitted.

Under this bill, that owner-occupancy requirement would apply only if the junior accessory dwelling unit has shared sanitation facilities with the existing structure. The bill would require an ordinance that provides for the creation of a junior accessory dwelling unit to require that a rental of a junior accessory dwelling unit be for a term longer than 30 days.

By imposing new duties on local governments with respect to the approval of junior accessory dwelling units, the bill would impose a state-mandated local program.

The California Constitution requires the state to reimburse local agencies and school districts for certain costs mandated by the state. Statutory provisions establish procedures for making that reimbursement.

This bill would provide that no reimbursement is required by this act for a specified reason.

Sponsors

Sponsors by party (alphabetical): Democratic 1

NameRolePartyChamberDistrict
Juan CarrilloPrimary sponsorDemocraticAssembly39

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. Chaptered by Secretary of State - Chapter 507, Statutes of 2025.
  2. Approved by the Governor.
  3. Enrolled and presented to the Governor at 3 p.m.
  4. Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 75. Noes 0. Page 2861.).
  5. In Assembly. Concurrence in Senate amendments pending.
  6. Read third time. Passed. Ordered to the Assembly. (Ayes 40. Noes 0. Page 2394.).
  7. Read second time. Ordered to third reading.
  8. From committee: Be ordered to second reading pursuant to Senate Rule 28.8.
  9. From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (July 9). Re-referred to Com. on APPR.
  10. Read second time and amended. Re-referred to Com. on L. GOV.
  11. From committee: Amend, and do pass as amended and re-refer to Com. on L. GOV. (Ayes 11. Noes 0.) (July 1).
  12. Referred to Coms. on HOUSING and L. GOV.

Sources

  1. California Legislative Information — pubinfo database export
  2. Official bill page