Montana Residential Security Deposit Laws

Disclaimer: This guide provides general legal information for educational purposes only and does not constitute legal advice. Always consult a licensed attorney in Montana for advice specific to your situation. Information last verified: March 2026.

Montana's Residential Tenants' Security Deposits Act (MCA Title 70, Chapter 25) heavily regulates the handling, deduction, and return of residential security deposits.

While the state is lenient regarding the amount a landlord can collect upfront, it is intensely strict regarding the paperwork required to legally keep it.

Deposit Limits and Holdings

• Maximum Amount: Montana law does not cap the maximum amount a landlord can charge for a security deposit. Standard practice is usually one to two months' rent, but higher amounts are legally permissible if agreed upon.
• Account Requirements: Landlords are not required to hold the security deposit in a separate, interest-bearing trust account, nor are they required to pay the tenant accrued interest, unless explicitly agreed to in the lease.

The Mandatory Move-In Condition Report

The most critical element of Montana deposit law is the Condition of the Premises Statement.

If a landlord collects a security deposit, they must provide the tenant with a separate written statement of the present condition of the premises prior to the tenant taking possession.

• The Penalty for No Checklist: If the landlord fails to provide this written move-in report, they are legally barred from retaining any portion of the security deposit for damages when the tenant moves out (unless the landlord has clear-cut, indisputable proof the tenant caused the damage, which is incredibly hard to prove without a baseline report).

Cleaning vs. Damage: The Move-Out Rules

Montana law uniquely addresses regular cleaning versus damage.

1. Cleaning Notice: A landlord cannot automatically deduct money for standard cleaning. By law, the landlord must give the tenant written notice of any cleaning deficiencies and grant the tenant 24 hours to return to the property and fix the cleaning issues themselves before the landlord can hire a cleaner and deduct the cost from the deposit.
2. Normal Wear and Tear: As in all states, landlords cannot deduct funds for standard "normal wear and tear" (e.g., foot traffic on carpets, minor sun fading on curtains). Deductions are reserved for negligent damage (e.g., large holes in drywall, broken windows, ruined appliances).

Deposit Return Deadlines

Montana utilizes a dual-deadline system depending on whether the landlord is retaining any funds.

The 10-Day Deadline

If the tenant leaves the property exactly as required, and there are absolutely no deductions (no unpaid rent, no damage, no excessive cleaning, no unpaid utilities), the landlord must return the full deposit within 10 days of the termination of the lease or the date the tenant surrendered the property (often triggered by the tenant providing a forwarding address).

The 30-Day Deadline

If the landlord is withholding any portion of the deposit for damages, cleaning, or unpaid rent, they have 30 days to mail the remaining balance. Crucially, this balance must be accompanied by a written, itemized list detailing exactly what was deducted and why.

If a landlord fails to meet these strict 10-day or 30-day deadlines, they forfeit the right to withhold any money whatsoever, and the tenant can sue them in court for double the amount of the improperly withheld deposit, plus attorney fees.

How Landager Helps Montana Landlords

Losing a $2,000 security deposit because you forgot to issue a Move-In Condition report or missed a 10-day mailing deadline is an unforced error. Landager automates your Montana deposit compliance perfectly. Our system will not allow a lease to execute without a digitally signed Condition Report. Upon move-out, Landager automatically triggers a compliance workflow: if you flag zero deductions, it initiates the 10-day refund countdown. If you log damages (like a broken door), it automatically generates the required itemized deduction letter and calculates the 30-day deadline, ensuring your accounting process aligns perfectly with MCA Title 70 requirements.

Back to Montana Residential Landlord-Tenant Laws Overview.