How the math checks out

Divide the new rent by the old rent and subtract 1. If the number is 0.10 that's 10%. Compare that to the 10% state cap for covered units.

Even a legal increase can be negotiated. Ask about a longer lease, request a smaller increase in exchange for renewing early, and document what similar units in your area rent for.

WashingtonLast reviewed April 2026

Is a 10% rent increase legal in Washington?

Quick answer

In Washington a 10% increase is generally within the legal range (the cap is 10%), as long as you get 60 days' written notice.

Step-by-step answer

Step 1
How the math checks out
Divide the new rent by the old rent and subtract 1. If the number is 0.10 that's 10%. Compare that to the 10% state cap for covered units.
Step 2
What to do next
Even a legal increase can be negotiated. Ask about a longer lease, request a smaller increase in exchange for renewing early, and document what similar units in your area rent for.

Plain English recap

In Washington a 10% increase is generally within the legal range (the cap is 10%), as long as you get 60 days' written notice.

Check your specific situation

Step 1 of 50%

Location

Where do you rent?

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I use a Section 8 / Housing Choice VoucherHCV tenants follow different rules — increases require PHA approval and rent-reasonableness review.

Free legal help in Washington

Walk through three quick steps to find the right tenant-rights program for your situation.

What do you need help with?

When you call, ask about: a tenant intake appointment

Say: "I'm a tenant and need help understanding my rights and options."

Bring: your lease, recent rent receipts, and any letters or notices from your landlord.

Tip: swipe left/right on mobile to move between steps.

State listings sourced from the federal Legal Services Corporation (LSC) grantee directory. Educational information, not legal advice or endorsement.

State source

RCW §59.18 (HB 1217)

Educational only — not legal advice. Educational only — not legal advice. This page summarizes statewide rules and may not reflect city ordinances, your specific lease, or recent changes. For your situation, consult a licensed attorney or your local tenant-rights organization.

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