Seattle, WA — Council Bill 121000 - Ban on algorithmic rent fixing (SMC 7.34)
Seattle, WA · Council Bill 121000 - Ban on algorithmic rent fixing (SMC 7.34)
Seattle's CB 121000 (sponsored by Councilmember Cathy Moore, passed 7-0 on June 24, 2025, signed July 1, 2025) prohibits landlords from using software that runs automated analysis of housing-market data to generate inflated rent recommendations, with penalties up to $7,500 per violation and a tenant private right of action.
Technical detail
Seattle's CB 121000 (sponsored by Councilmember Cathy Moore, passed 7-0 on June 24, 2025, signed July 1, 2025) prohibits landlords from using software that runs automated analysis of housing-market data to generate inflated rent recommendations, with penalties up to $7,500 per violation and a tenant private right of action.
Who is protected: People subject to this body's AI/surveillance systems.
Who must comply: Seattle, WA
Key facts
| Jurisdiction | Seattle, WA |
|---|---|
| Level | City / local |
| Status | In effect |
| Protection strength | Limited protection |
| Effective date | 2025-06-24 |
| Citation | Council Bill 121000 - Ban on algorithmic rent fixing (SMC 7.34) |
| Topics | consumer protection · automated decision-making · government use of AI |
| Last verified | 2026-07-01 |
| Official source | Council passes Councilmember Moore's legislation to help prevent renter displacement - Seattle City Council ↗ |
More AI rules in Seattle, WA
- Seattle algorithmic rent-fixing ban (Ord. 127241 / SMC 7.34, July 2025) · In effect
- Seattle Generative AI Policy · In effect
- Seattle Data Center Moratorium · In effect
- Seattle Public Schools AI Handbook + Superintendent Procedure 2022SP · In effect
- Seattle Surveillance Ordinance (SMC 14.18) · In effect
- SPD FR Policy · In effect
Related consumer protection rules elsewhere
- Missouri AI Therapy Chatbot Ban (SB 1019) · Enacted (not yet in effect)
- Vermont Data Broker Law (H.211) · Enacted (not yet in effect)
- Arkansas Frank Broyles Act AI amendment — voice and likeness protection (2025) · In effect
- PA v. Character.AI (Fake Psychiatrist Chatbot) · Blocked / in litigation
- NAACP v. xAI (Colossus 2 Air Pollution) · Blocked / in litigation
- RI Therapy Chatbot Ban (2026) · In effect
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