Washington · Rent increase notice

Washington rent increase notice

Washington landlords must give at least 90 days’ notice before raising the rent on a month-to-month tenancy. Washington also limits how much the rent can go up each year for many units.

The rule

Notice, month-to-month
90 days
Statewide rent control
Yes
Notice
90 days’ written notice in the state form (30 days for income-based subsidized tenancies); no increase during the first 12 months of a tenancy.
Rent control
2025 HB 1217 caps increases at 7% + CPI or 10%, whichever is lower, per 12 months (9.683% for 2026; 10% for 2027), through July 1, 2040. Exempt: units with a first certificate of occupancy 12 or fewer years old, certain nonprofit, public, and tax-credit housing, and some owner-occupied rentals.

Law: RCW 59.18.140, 59.18.700, 59.18.710, 59.18.720

Last reviewed September 30, 2026

Not legal advice. Statutes change; check the linked section.