Oregon Security Deposit After Move-Out: 31-Day Accounting Deadline & Double-Amount Remedy

The short answer

Oregon Revised Statutes section 90.300 generally requires a landlord who claims all or part of a residential security deposit to give the tenant a written accounting within 31 days after the tenancy terminates and the tenant delivers possession. The landlord must also return any portion of the deposit that is not being claimed no later than that same 31-day point.

A missed deadline can matter, but the remedy should not be reduced to a blanket rule that every late accounting automatically produces twice the entire original deposit. ORS 90.300(16) addresses specified failures to return money and bad-faith withholding, and measures recovery by the amount withheld without the required accounting or withheld in bad faith. The facts, amount still withheld, delivery method and timing all matter.

When does Oregon's 31-day clock start?

The statutory language ties the 31-day period to two events: the tenancy terminates and the tenant delivers possession to the landlord. That makes the actual surrender date important, not just the date printed on an old lease or the date a tenant began moving belongings out.

Keep evidence of the termination and possession date, such as the lease or termination agreement, key-return receipt, move-out inspection record, email confirming surrender, or other contemporaneous communication. If the parties dispute when possession was delivered, that factual issue can affect the deadline calculation.

What must the written accounting include?

To claim all or part of a security deposit or prepaid rent, ORS 90.300(12) requires a written accounting that states specifically the basis or bases of the claim. The statute also requires separate accountings for security deposits and prepaid rent.

A landlord may claim only amounts permitted by the statute and rental agreement. ORS 90.300 allows claims for amounts reasonably necessary to address tenant defaults, including unpaid rent, and tenant-caused damage beyond ordinary wear and tear. The timing issue and the validity of an underlying deduction are separate questions, so a tenant can preserve both issues rather than assuming one automatically decides the other.

The unclaimed balance also has a 31-day deadline

ORS 90.300(13) says the landlord must return the security deposit, prepaid rent, or the portion not claimed no later than 31 days after the tenancy terminates and possession is delivered. Sending only an explanation of deductions does not erase the separate requirement to return the amount that is not being claimed.

If the landlord claims part of the deposit and agrees that another portion belongs to the tenant, preserve proof of when the accounting was delivered and when the refund was actually delivered or sent. Those dates help separate a dispute over the deduction from a dispute over the undisputed balance.

How can the accounting or refund be delivered?

ORS 90.300(14) provides for personal delivery or first-class mail. Electronic mail can also be used when it is allowed under ORS 90.155(1)(d), which requires a qualifying written addendum to the rental agreement with the designated email addresses and other statutory conditions.

That means an electronic message should not automatically be treated as legally equivalent to authorized email service without checking the rental agreement and statutory requirements. Preserve the full message, attachments, timestamps, mailing envelope and postmark, because the method and date of delivery can become important in a deadline dispute.

What does Oregon's double-amount remedy actually say?

ORS 90.300(16) provides a tenant remedy if the landlord fails to comply with the requirement to return the amount due under subsection (13), or if the landlord in bad faith fails to return all or part of money due under the chapter or rental agreement. The statute describes recovery in an amount equal to twice the amount withheld without the written accounting required by subsection (12), or withheld in bad faith.

Because that language ties the remedy to specific statutory failures and amounts withheld, do not assume that any technical delay automatically means twice the full original deposit. A court may need to resolve what amount was due, whether the required accounting was given, whether money remained withheld, and whether bad faith is established where that issue matters.

What records matter when the deadline is disputed?

Keep the rental agreement, termination notice or agreement, move-out inspection, key-return or possession evidence, forwarding-address communication, the security-deposit receipt, move-in and move-out photos, repair communications, invoices or estimates, the written accounting, the envelope and postmark if mailed, email or message timestamps, and proof of when any refund was received.

If the dispute also involves alleged damage, keep maintenance requests and older condition evidence. Oregon's statute excludes ordinary wear and tear from damage claims against the deposit, so documentation about the property's condition before and after the tenancy can matter independently of the 31-day deadline.

Where to go if the money is still disputed

Oregon Judicial Department's landlord-tenant self-help page links to statewide legal resources, and its Small Claims Forms Center provides official court forms. Court procedure, claim amount and the facts of the tenancy can affect the appropriate path, so use the official court resources rather than relying on a community comment as procedural advice.

For a substantial deposit dispute, disputed possession date, unusual delivery method, or potential statutory-damages claim, consider qualified Oregon legal advice before assuming the remedy or filing theory that applies.

Use Max Rental Tools to organize the move-out record

Max Rental Tools includes a Security Deposit Itemization, Security Deposit Refund Statement, Move-Out Condition Report, Move-In Condition Report and Rent Ledger. Those tools can organize the factual record and make the timeline easier to review, while ORS 90.300 and current Oregon court guidance remain the controlling legal sources.