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, WA · Council Bill 121000 - Ban on algorithmic rent fixing (SMC 7.34)

Status: In effect
Took effect: June 24, 2025
Applies to: Seattle, WA

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.

Key facts

Jurisdiction	Seattle, WA
Level	City / local
Strength	Limited
Citation	Council Bill 121000 - Ban on algorithmic rent fixing (SMC 7.34)
Topics	consumer protection · automated decision-making · government use of AI
Agency page	Council passes Councilmember Moore's legislation to help prevent renter displacement - Seattle City Council

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