Washington Late Fee Laws for Landlords (2026)
What the statute actually says
Washington sets no statewide cap on the amount, but a landlord may not charge a late fee for rent paid within five days of the due date. Any payment must also be applied to rent before late fees.
Citation: Rev. Code Wash. § 59.18.170 · read the source
The grace period in Washington
Washington requires a grace period of 5 days. A late fee charged before that is not enforceable, however the lease is worded. Day one of the grace period is the due date itself, so rent due on the 1st can first carry a fee on the 6th.
Does the fee have to be in the lease?
The Washington statute does not say so in terms, but a late fee is a contract term like any other: if the lease does not create it, there is nothing to enforce. Write the amount and the day it applies into the lease.
Charging it without getting it wrong
Most late-fee disputes are not about the amount. They are about the date the clock started, whether the fee was in the lease, and whether a payment got applied to the fee before the rent. Those are bookkeeping problems, and they are the ones that lose in court.
LandlordPro applies the grace period you set, charges the fee once, and applies payments to rent before fees, so the ledger tells the same story the statute does. The rent roll shows exactly which day a charge landed and why, and the tenant sees the same breakdown in their portal.
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Start freeFrequently asked questions
What is the maximum late fee a landlord can charge in Washington?
Washington does not set one by statute. Washington sets no statewide cap on the amount, but a landlord may not charge a late fee for rent paid within five days of the due date. Any payment must also be applied to rent before late fees.
How many days late before a landlord can charge a fee in Washington?
5 days. A fee charged before the grace period runs out is not enforceable.
Does a Washington late fee have to be in the lease?
The statute does not say so expressly, but a late fee is a contract term: if it is not in the lease there is nothing to enforce. Always put it in writing.
Can a landlord charge a late fee every month the rent stays unpaid in Washington?
Washington does not address repeat fees by statute. Compounding a fee month after month on the same unpaid rent is the kind of charge courts treat as a penalty, so it is a risk worth avoiding.
Is a late fee the same as interest in Washington?
No. A late fee is a one-off charge for the administrative cost of a late payment. Interest accrues over time and is regulated separately. Charging both on the same rent invites a challenge.