Tenant law in plain language
Seattle

Security Deposit Not Returned in Seattle: What Can I Do?

Published by Nazanin · August 23, 2026

Your deposit is your money. Your landlord has 30 days after you move out to return your deposit or explain in writing what they kept. If they miss that deadline, they owe you the full deposit back. This page lists your rights and what you can do.

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Not legal advice. Each answer below links to where it comes from. Read it before you act.

  1. Your landlord has 30 days after you move out to return your deposit. If they keep any of it, they must send you a written statement in those same 30 days saying why.

    Washington State Legislature RCW 59.18.280(1)(a)

    ✓ Sources checked September 21, 2026

  2. If your landlord charges you for damage, they must send copies of estimates or paid bills to prove the cost.

    Washington State Legislature RCW 59.18.280(1)(b)

    ✓ Sources checked September 21, 2026

  3. Your landlord cannot take money from your deposit for normal wear from living in the home.

    Washington State Legislature RCW 59.18.280(1)(c)(i)

    ✓ Sources checked September 21, 2026

  4. Your landlord cannot charge you for carpet cleaning, unless they have written proof the carpet is worn beyond normal use.

    Washington State Legislature RCW 59.18.280(1)(c)(ii)

    ✓ Sources checked September 21, 2026

  5. If your landlord misses the 30 day deadline, they owe you the full deposit back.

    Washington State Legislature RCW 59.18.280(2)

    ✓ Sources checked September 21, 2026

  6. If your landlord kept your deposit on purpose, a court can order them to pay you up to 2 times the deposit. For example if your deposit is $1000, the court can decide you are owed up to $2000. You get this money only if you win your case and your landlord pays.

    RenterLaw editorial Washington State Legislature RCW 59.18.280(2)

    ✓ Sources checked September 21, 2026

  7. If you go to court over your deposit and win, your landlord pays your court costs and your lawyer fees.

    Washington State Legislature RCW 59.18.280(2)

    ✓ Sources checked September 21, 2026

  8. Your landlord cannot report unproven damage charges to a credit agency, a tenant screening service, or a future landlord. They also cannot send those charges to a collection agency.

    Washington State Legislature RCW 59.18.280(3)(b)

    ✓ Sources checked September 21, 2026

  9. In Seattle, your landlord must refund your whole deposit if you and the landlord never signed a move-in checklist when you moved in.

    Seattle Department of Construction and Inspections Deposit Returns

    ✓ Sources checked September 21, 2026

  10. You can report your landlord to the Violation Complaint Line at (206) 615-0808 if they do not give your deposit back. Seattle’s Department of Construction and Inspections can cite landlords who illegally keep deposits.

    Seattle Department of Construction and Inspections Deposit Returns

    ✓ Sources checked September 23, 2026

  11. If your landlord owes you $10,000 or less, you can file a small claims case in King County District Court.

    Seattle Department of Construction and Inspections Deposit Returns

    ✓ Sources checked September 21, 2026

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