In one paragraph
California's SB 52 (2025-26 Regular Session) would have made it unlawful to sell, license or provide a rental pricing algorithm to 2 or more persons expecting it to be used to set residential rental terms, to use one to recommend terms if the person knew or should have known it would be used by 2 or more landlords in the same or a related market, or to set terms based on one that processes nonpublic competitor data, as specified. The Senate passed it 28-9 on June 2, 2025; it was held in Assembly Appropriations on August 29, 2025 and was not passed before the session ended.
Plain-English summary, written with AI assistance. The official text controls.
What it means for business
None: the bill died and never became law. It would have barred landlords and software vendors from certain uses of rental pricing algorithms that process nonpublic competitor data.
Key provisions
- Would add Section 1947.16 to the Civil Code
- Unlawful to sell, license or otherwise provide a rental pricing algorithm to 2 or more persons with the intent or reasonable expectation it will be used to set rental terms for residential premises
- Unlawful to use a rental pricing algorithm to recommend rental terms if the person knew or should have known it would be used by 2 or more landlords in the same or a related market, or to coerce another person to use it to set rental terms in the same or a related market
- Unlawful to set or adopt rental terms based on a recommendation if the person knows or should know the algorithm processes nonpublic competitor data and was used by another person in the same or a related market
- Attorney General, and the city attorney or county counsel where the unit is located, could file civil actions, as specified
- Status: held in committee and under submission August 29, 2025; no later action before the session ended
Latest legislative action
Aug 29, 2025. August 29 hearing: Held in committee and under submission.
Sponsors (showing 5 of 89)
| Name | Role |
|---|---|
| Alejo | Coauthor |
| Alquist | Coauthor |
| Ammiano | Coauthor |
| Aroner | Coauthor |
| Arreguín | Coauthor |
Roll call votes (showing 3 of 6)
Do pass as amended and be re-referred to the Committee on [Appropriations] Jul 16, 2025
10 yea4 nay1 otherPassed
Do pass and be re-referred to the Committee on [Privacy and Consumer Protection] Jul 1, 2025
9 yea3 nayPassed
3rd Reading Jun 2, 2025
28 yea9 nay3 otherPassed
Topics and industries
Related topics
Affected industries
This page is general information, not legal advice. Summaries are AI-assisted and may contain errors; read the statute for the controlling text and talk to a lawyer about your situation. Full disclaimer · Report an error