Washington Rent Stabilization Guide

Last updated: January 2026

Washington's statewide rent increase cap (HB 1217) protects tenants across the state with rent increase limits and notice requirements.

Washington HB 1217 at a Glance

  • Rent Cap: 7% + CPI annually, maximum 10% (9.683% for 2026)
  • Manufactured/Mobile-Home Lots: Flat 5% cap per 12-month period under chapter 59.20 RCW
  • Coverage: Most residential rentals subject to RCW 59.18 after 12 months of tenancy
  • New Construction: RCW 59.18.710 exempts units whose first certificate of occupancy was issued within the past 12 years
  • 12-Month Waiting Period: No rent increases during the first year of tenancy
  • Notice: 90 days required statewide (180 days in Seattle)

📖 Read our complete guide to Washington's HB 1217 law →

Washington Cities with Rent Stabilization Guides

Select a city to learn how Washington's rent increase cap applies in your area, including local resources and tenant assistance:

Puget Sound Region

Eastern Washington

Tri-Cities Region

Southwest Washington

Northwest Washington

Central Washington

South Sound Region

Olympic Peninsula

Washington Coast

Island Communities

Check your address to see if your building is covered by Washington's rent increase cap.

Statewide Resources