Is a rent increase legal in Washington?
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.
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Cities in Washington
How much can rent increase in Washington?
In Washington, most landlords cannot raise rent by more than approximately 10% per year. This cap is set at the state level and applies to most residential rentals, though some exemptions exist (typically newer buildings or owner-occupied properties).
Notice requirements
Washington requires landlords to give at least 60 days written notice before raising rent on a month-to-month tenant. For fixed-term leases, increases generally only take effect at renewal.
Source
Reviewed against RCW §59.18 (HB 1217) (opens in new tab) as of April 2026.