Security Deposits

Are tenants entitled to interest on security deposits?

Washington rental guidance and tenant-landlord operational information.
Published March 1, 2026 State-specific rental guidance Update This Question
Reviewed by Tenants & Landlords Editorial Team

This rental guidance was reviewed by the Tenants & Landlords Intelligence Team, specializing in lease agreements, notices, rent disputes, deposits, evictions, and tenant-landlord operational procedures.

Asked 93 days ago · Washington

Security Deposits and Interest for Tenants in Washington State

If you are renting a property in Washington State, understanding your rights regarding security deposits is important. One common question tenants ask is whether they are entitled to receive interest on their security deposits. This guide provides clear, state-specific information to help you navigate this aspect of your rental agreement.

Security Deposit Basics in Washington

In Washington, landlords typically require tenants to pay a security deposit at the beginning of a lease to cover potential damages beyond normal wear and tear, unpaid rent, or other lease violations.

  • No State-Mandated Limit on Amount: Unlike some states, Washington does not limit the amount a landlord can charge for a security deposit, but it must be reasonable and often is equal to one month’s rent.
  • Written Agreement Required: The terms of the security deposit, including the amount and conditions for its return, should be clearly stated in the rental agreement or a separate security deposit agreement.

Are Tenants Entitled to Interest on Security Deposits in Washington?

General Rule on Interest Payments

In Washington State, landlords are not required by law to pay interest on security deposits for residential leases. This means:

  • Unlike some states that mandate landlords pay interest on security deposits held over time, Washington law imposes no such obligation.
  • The security deposit remains with the landlord or is held in a tenant trust account without accruing interest for the tenant's benefit.
  • The landlord is only required to return the deposit, less any lawful deductions, within the time frame set by state law (typically 21 days after the tenant vacates).

When Might Interest Be Paid?

  • Private Agreements: Although not legally required, some landlords may voluntarily agree to pay interest on security deposits as a term of the lease or rental agreement. If you are signing a lease or rental agreement, check carefully if there is any mention of interest on deposits.
  • Commercial or Special Situations: In rare cases involving commercial leases or certain institutional arrangements, interest provisions may be negotiated separately. However, these are exceptions rather than the rule for typical residential tenancies in Washington.

What Happens to Your Security Deposit in Washington?

Washington law requires landlords to follow strict rules about how security deposits are handled and returned:

  • Return Timeline: The landlord must return your security deposit, with an itemized list of any deductions, within 21 days after you vacate the premises.
  • Potential Deductions: Deductions can only be made for unpaid rent, damages beyond normal wear and tear, and other legitimate breaches of the rental agreement.
  • Deposit Return Procedure: If the deposit is not returned or the tenant disputes deductions, tenants can take legal action in small claims court.

Protecting Your Security Deposit Rights

As a tenant in Washington, there are steps you can take to protect your security deposit and ensure it is returned properly:

  • Take Photos and Document Condition: Before moving in and at move-out, document the unit’s condition thoroughly to avoid disputes over damages.
  • Understand Your Lease: Review your lease or rental agreement carefully for any references to security deposit interest or special provisions.
  • Communicate in Writing: Keep all correspondence with your landlord about the security deposit in writing.
  • Inspect Property at Move-Out: Request a move-out inspection with your landlord, if possible, to discuss any damages or cleaning needed.

Summary

  • Washington tenants are not entitled to receive interest on security deposits by law.
  • Landlords must return the full security deposit, minus any lawful deductions, within 21 days after tenancy ends.
  • Some landlords may voluntarily pay interest if it is included in the lease agreement, but this is not common and not required.
  • Proper documentation and understanding of your rental agreement will help ensure your security deposit is treated fairly.
If you have concerns about how your landlord is handling your security deposit in Washington, you may wish to seek advice from tenant advocacy organizations or legal resources specializing in landlord-tenant law.

This guidance is intended to help Washington tenants understand their rights regarding security deposits and interest. Knowing these details can make your rental experience smoother and more transparent.

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