Current rent increase rules
Washington rent increase calculator
Choose the option that matches your situation. We do not save renter-check answers. Landlords can use the same rules to plan a notice.
Washington 2026 rent-increase rules
Washington checks need the statewide cap, the 90-day or local notice window, the Commerce notice form, and RCW 59.12.040 service details.
- Standard cap
- 9.683%
- Manufactured housing
- 5%
- Verified
- 2026-07-03
- Packet output
- Notice, worksheet, service log, PDF
- Best next step
- Run the live checker below
15 city and regional pages
Seattle Spokane Tacoma Vancouver Bellevue Everett Kent Renton Federal Way Kirkland Bellingham Olympia Yakima Kennewick Spokane Valley
For landlords
Check an increase before delivering the notice. If the requested amount or date needs adjustment, the app builds the version supported by the rules.
For renters
Check a notice you have already received. We do not save your answers, and every finding links to an official source.
Source updates
Review the changelog and Washington law timeline for verification dates and source changes.
Step-by-step guides
Washington's 2026 rent cap: the exact math and five ways notices still fail HB 2664 changed Washington rent-notice delivery: what the 2026 rule says Washington's 12-year rent-cap exemption: which buildings qualify Seattle landlords: RRIO compliance can gate a rent increase How much can my landlord raise my rent in Washington in 2026? All guides
What Washington landlords should verify first
Start with the rent amount, property type, tenancy start date, and planned delivery date. Those facts decide whether the statewide limit, first-year rule, Seattle rules, or manufactured/mobile home limit changes the packet.
What Washington renters can compare
Compare the notice amount, effective date, delivery method, and Commerce-form language with findings linked to official sources. The renter flow also checks deposit returns, utility shutoffs, termination notices, voucher restrictions, and lease-fee issues without saving your answers.