Minnesota Security Deposit in 2026: 21-Day Deadline, Forwarding Address & Correct Mailing
Minnesota’s deposit deadline depends on tenancy termination and the tenant’s mailing or delivery instructions. Learn the 21-day rule, correct-mailing requirement, interest and dispute records.
The short answer
Minnesota Statutes section 504B.178 generally requires a landlord, within three weeks after termination of the tenancy and after receiving the tenant’s mailing address or delivery instructions, to return the security deposit with statutory interest or provide a written statement giving the specific reason for withholding all or part of it. The timing rule is therefore not based on move-out alone when the landlord has not yet received the tenant’s mailing or delivery instructions.
If the landlord uses first-class mail to satisfy the deadline, the statute says the envelope must be postage prepaid, have a proper return address, and be correctly addressed according to the mailing address or delivery instructions furnished by the tenant. That makes the record of what address was actually given to the landlord—and when—central to disputes about a check allegedly mailed to an old rental address.
USPS forwarding is not the same thing as furnishing the landlord your new address
A postal forwarding request can help mail follow a tenant after a move, but section 504B.178 is written around the mailing address or delivery instructions furnished by the tenant to the landlord. The Minnesota Attorney General likewise advises tenants to leave a forwarding address with the landlord or manager.
Do not assume that filing a change-of-address request with the Postal Service by itself proves that the landlord received the new address. A tenant should separately send the landlord or property manager the complete current address or other delivery instructions in writing and preserve proof of when that information was delivered. If management had already received that new address, the statute’s correct-addressing requirement becomes especially important when evaluating a later claim that a refund was mailed somewhere else.
What counts as timely mailing under Minnesota law
Section 504B.178 provides that the landlord can satisfy the timing requirement by placing the deposit or required written statement in first-class United States mail within the statutory period, with postage prepaid, a proper return address and the envelope correctly addressed according to the tenant’s furnished mailing address or delivery instructions.
That means receipt in the tenant’s hands is not the only relevant date. In a dispute, the important evidence can include the tenancy-end date, the date the landlord received the tenant’s address or delivery instructions, the date the item was placed in the mail, the address used on the envelope and whether the mailing contained the deposit or the required withholding statement. A replacement check sent later does not by itself establish what happened with an earlier claimed mailing.
Minnesota deposits generally earn 1% simple interest
Subdivision 2 of section 504B.178 states that covered security deposits bear simple, noncompounded interest at one percent per year, calculated under the statutory formula. Interest amounts under one dollar are excluded.
The Minnesota Attorney General also tells tenants that the deposit should be returned with one percent interest. A move-out accounting should therefore identify the original deposit and any applicable interest rather than treating the principal amount as the entire settlement automatically.
What a landlord may withhold
Minnesota law allows withholding from a covered deposit for amounts reasonably necessary to remedy tenant defaults in rent or other funds due under the rental agreement and to restore the premises to their condition at the beginning of the tenancy, excluding ordinary wear and tear. The landlord must provide the specific reason for withholding within the statutory process.
The Minnesota Judicial Branch likewise identifies unpaid rent, damage beyond normal wear and tear, and other money the tenant owes under the rental agreement as common reasons for lawful withholding. A property manager should connect each deduction to the lease, condition evidence and actual amount rather than relying on a vague move-out balance.
What to save when management says 'we mailed it'
Keep the signed lease, proof of the original deposit, move-out or tenancy-termination date, key-return evidence, the exact message or document that gave management the new mailing address or delivery instructions, proof that it was delivered, and every later message about the refund. If an envelope eventually arrives, keep the envelope and postmark with the check or itemized statement.
Also preserve the move-out accounting, check number or reissue details management voluntarily provides, any stop-payment or replacement-check communication, the rent ledger, move-in and move-out photos and the forwarding-address record. The goal is not to guess whether an earlier check existed; it is to document the statutory timeline and the address management had when it says the mailing occurred.
Statutory remedies exist, but they are not automatic
Section 504B.178 provides damages when a landlord fails to comply with the deposit-return requirements after receiving the tenant’s mailing address or delivery instructions, and it separately authorizes additional punitive damages of up to $500 for bad-faith retention in specified circumstances. Those remedies depend on the actual facts and should not be presented as an automatic payment whenever a refund arrives late or is lost in the mail.
Minnesota law also permits an action to recover a security deposit in Conciliation Court, and the Minnesota Judicial Branch lists security-deposit disputes as a type of claim that can be brought there. Before escalating, organize the timeline, address evidence, accounting and communications so the dispute can be evaluated against the current statute rather than an approximate move-out date alone.
A cleaner move-out workflow for both sides
Tenants should furnish a complete forwarding address or delivery instruction directly to the landlord or manager in a durable written form and keep proof of delivery. Landlords should record the date those instructions were received, use the furnished address exactly when mailing, calculate applicable interest, provide any required specific withholding statement and retain evidence of the mailing date and settlement calculation.
Max Rental Tools includes a Forwarding Address Request, Security Deposit Itemization, Security Deposit Refund Statement, Move-Out Condition Report and Resident Communication Record. Those tools can help organize the file, but Minnesota Statutes section 504B.178 and current Minnesota government guidance control the legal requirements.
Common questions
How long does a Minnesota landlord have to return a security deposit?
Minnesota Statutes section 504B.178 generally requires return of the deposit with interest or a specific written withholding statement within three weeks after termination of the tenancy and after receipt of the tenant’s mailing address or delivery instructions, subject to the statute’s special condemnation rule.
Does mailing a Minnesota security-deposit check within 21 days count even if it arrives later?
Potentially. The statute says timely first-class mailing can satisfy the time requirement if the item is placed in the mail within the required period, postage prepaid, with a proper return address and correctly addressed according to the mailing address or delivery instructions furnished by the tenant.
If I filed USPS mail forwarding, did I automatically give my landlord the forwarding address?
Do not assume so. The statute focuses on the mailing address or delivery instructions furnished by the tenant to the landlord, and the Attorney General advises leaving a forwarding address with the landlord or manager. Send it directly in writing and keep proof.
Does a Minnesota security deposit earn interest?
Yes. Covered deposits generally bear simple, noncompounded interest at one percent per year under section 504B.178, with interest amounts under one dollar excluded.
Can a Minnesota tenant use Conciliation Court for a security-deposit dispute?
Yes. Section 504B.178 authorizes an action to recover the deposit in Conciliation Court, and the Minnesota Judicial Branch identifies security-deposit disputes as a type of claim handled there. The proper venue and facts should still be checked for the particular case.
Official sources
Minnesota Revisor — Minn. Stat. § 504B.178Minnesota Attorney General — Vacating Your ApartmentMinnesota Judicial Branch — Tenant Resources FAQMinnesota Judicial Branch — Conciliation Court FAQContinue your check
Use the state directory for current jurisdiction-specific rules, calculate the proposed increase, then prepare the appropriate rental document only after the legal-rule checks are complete.