Seattle, Washington · Updated April 2026
Rent increase rules in Seattle
Seattle is covered by Washington HB 1217 (7% + CPI, max 10%). Seattle additionally requires 180 days notice for rent increases — the longest in the country — and Economic Displacement Relocation Assistance for increases over 10%.
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State rules that apply in Seattle
HB 1217 (2025) caps annual residential rent increases at 7% + CPI, with a 10% maximum. 60-day written notice required statewide. Manufactured-home pads have a separate, lower cap. Required notice: 60 days.
Local resource
Seattle Rental Housing Resources
State source
Educational information, not legal advice. Consult a local attorney or tenant-rights organization for your specific situation.