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Washington late fee law

Read from the statute itself on 2026-11-09. Statewide rule; a city or county can add its own.

Statutory cap
No statutory cap
Grace period
5 days after the due date

No statewide amount cap for apartments and houses. No late fee if rent is paid within five days of the due date; after that, fees may run from the first day after the due date. Since 2025, mobile home spaces have separate caps of 2%/3%/5%.

Source: RCW 59.18.170(2) · read on 2026-11-09

Calculate it for your rent

No statutory maximum
Washington's statute sets no dollar or percentage ceiling. The fee must be written in the lease, and courts strike fees that look like a penalty rather than a fair estimate of the landlord's cost — so we show no « maximum » here.
Grace period
5 days
Statutory cap
No statutory cap
Washington: No statewide amount cap for apartments and houses. No late fee if rent is paid within five days of the due date; after that, fees may run from the first day after the due date. Since 2025, mobile home spaces have separate caps of 2%/3%/5%.
Source: RCW 59.18.170(2) · read on 2026-11-09

Washington: common questions

What is the maximum late fee in Washington?

Washington's statute sets no cap. No statewide amount cap for apartments and houses. No late fee if rent is paid within five days of the due date; after that, fees may run from the first day after the due date. Since 2025, mobile home spaces have separate caps of 2%/3%/5%.

Is there a grace period for late rent in Washington?

Yes: no late fee may be charged until rent is 5 days past due.

Not legal advice. Confirm with a local landlord-tenant attorney before relying on a figure.

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