What Is the Penalty for Not Returning a Security Deposit in Washington?

Intentional refusal to return or itemize exposes the landlord to up to twice the deposit plus attorney's fees; missing the deadline forfeits the right to withhold. That is the remedy Wash. Rev. Code § 59.18.280 gives a Washington tenant whose landlord misses the 30 days return deadline or never sends the itemized list of deductions.

The deadline the penalty depends on

• Return deadline: 30 days after termination of the tenancy and the tenant vacating.
• Detail: Changed from 21 to 30 days in 2023 (HB 1074). Deductions must be documented with invoices or estimates, and no wear-and-tear deductions are allowed without a signed move-in checklist.
• Itemized deductions: required in writing.
• Forwarding address: not a statutory condition of getting the deposit back.
• Penalty for wrongful withholding: Intentional refusal to return or itemize exposes the landlord to up to twice the deposit plus attorney's fees; missing the deadline forfeits the right to withhold.
• Small claims limit: $10,000.
• Statute: Wash. Rev. Code § 59.18.280.

What you have to be able to prove

• The tenancy ended and you gave back possession, with the date.
• Where the landlord could have sent the money. A forwarding address in writing removes the argument.
• No refund and no itemized statement arrived within the deadline, or the statement listed deductions the landlord cannot support.
• The amount of the deposit and any part that was returned.

How to claim it

A penalty is not automatic; the tenant has to ask for it, usually in small claims court (limit $10,000 in Washington). The first step is a dated written demand that cites Wash. Rev. Code § 59.18.280, counts the days from termination of the tenancy and the tenant vacating, and names the penalty. Landlords who understand what a court can award often pay at that point.

Frequently Asked Questions

Q: Does the Washington penalty apply if the landlord is only a few days late?
A: Wash. Rev. Code § 59.18.280 sets a deadline of 30 days; the statute does not carve out a grace period. Whether a court awards the full penalty for a short delay depends on the facts, which is why the dated demand letter matters: it fixes the day the landlord knew.

Q: Do I have to give my landlord a forwarding address in Washington?
A: Wash. Rev. Code § 59.18.280 does not make a forwarding address a condition of getting the deposit back, but the landlord still has to know where to send it. Give one in writing anyway so a late return cannot be blamed on you.

Q: Can I sue my landlord in small claims court for my Washington deposit?
A: Yes. Washington small claims court hears claims up to $10,000, which covers most deposits plus the statutory penalty. A dated written demand that cites Wash. Rev. Code § 59.18.280 is the usual first exhibit.

Sources Checked

• Wash. Rev. Code § 59.18.280 (the Washington statute cited above)
• LeaseLenses Washington deposit and notice data set, last reviewed 2026-09-19; the same data powers the Washington document tools
• Washington landlord-tenant overview and the Washington deposit rules page

This page is general legal information for Washington, not legal advice. Statutes change; read the current text before relying on a deadline in court.