Washington Rent Increase Laws

Scenic view of Cascade Mountain Range at sunrise with lush green pine trees and clear sky in Ashford, Washington, USA.
Last updated iconLast updated May 6th, 2026

Before you offer a lease renewal to your current tenant, you should decide what their new rent payment will look like. Adjusting your unit’s monthly rate is often essential for keeping your business profitable. And while it’s a routine part of landlording, certain rules govern the process. Let’s talk about Washington rent increase laws.

While many states allow landlords to set their own prices, Washington is a strict rent-control region. But don’t worry, we’ve got you covered. Here’s a complete guide to raising rent in the Evergreen State, including federal and state laws, best practices, and a free template from TurboTenant.

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Washington Rent Increase FAQs

How much can I raise rent in Washington?

Either 7% plus CPI or 10%, whichever is less (Wash. Rev. Code § 59.18.700 et seq.).

Is there a maximum late fee in Washington?

No, state law doesn’t limit landlords’ ability to impose late payment penalties.

Can I increase rent if the tenant is on a verbal agreement?

Whether your agreement is written or verbal, give tenants 90 days’ written notice for all lease types (Wash. Rev. Code § 59.18.140(3)(a)). However, some areas have local laws extending the timeline. Check your region’s laws or speak with a trusted lawyer for specific guidance.