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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Common questions about Washington rent
State rules that apply in Seattle
As of 2025, Washington caps yearly rent increases at 7% plus local inflation, never more than 10%. Your landlord must give you 60 days' written notice. Manufactured-home lots have a separate, lower cap. Required notice: 60 days.
Local resource
Seattle Rental Housing Resources (opens in new tab)
State source
RCW §59.18 (HB 1217) (opens in new tab)
Educational information, not legal advice. Consult a local attorney or tenant-rights organization for your specific situation.
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