How much notice does a landlord need to give to raise the rent in Washington?

Question

Accepted Answer

At least 90 days' prior written notice of a rent increase (30 days for certain income-based subsidized tenancies), and the increase can't take effect before the end of the rental agreement term. Source: RCW 59.18.140 (https://app.leg.wa.gov/RCW/default.aspx?cite=59.18.140), last checked 2026-10-15.

Washington Rent increase notice

How much notice does a landlord need to give to raise the rent in Washington?

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