Security Deposits

What deductions can legally be taken from a security deposit?

Montana rental guidance and tenant-landlord operational information.
Published May 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 32 days ago · Montana

Montana Tenant Guide: Legal Deductions from Security Deposits

In Montana, tenants have specific rights regarding security deposits, including what deductions a landlord can legally make when the tenancy ends. Understanding these regulations can help tenants protect their financial interests and ensure they are not unfairly charged. This guide outlines the permissible deductions landlords may take from your security deposit under Montana law and provides tips to help you safeguard your deposit.

Overview of Montana Security Deposit Law

Under Montana Code Annotated (MCA) § 70-24-303, landlords can request a security deposit at the start of a tenancy to cover certain financial risks related to the rental property. When the lease ends, landlords must return the security deposit, less any lawful deductions, within a specified timeframe.

Montana tenants enjoy protections that limit what deductions landlords can take and require landlords to provide an itemized list of damages or charges deducted.

What Deductions Can a Montana Landlord Legally Make?

Landlords are entitled to deduct from a tenant's security deposit only for specific reasons directly related to the rental property and tenancy. Below are the primary deductions allowed under Montana law:

1. Unpaid Rent

The landlord can deduct any outstanding rent payments owed by the tenant through the end of the tenancy or lease term. This includes:
  • Rent arrears
  • Late fees or penalties that are part of the lease agreement and are deemed lawful

2. Damage Beyond Normal Wear and Tear

Landlords may deduct for physical damage to the rental unit caused by the tenant or their guests that exceeds normal wear and tear. Examples include:
  • Holes in walls from nails, screws, or other fixtures
  • Broken windows or doors
  • Damaged flooring or carpets (e.g., burns or stains not expected from regular use)
  • Missing or broken appliances that were part of the rental unit
*Important:* Normal wear and tear refers to the gradual deterioration resulting from ordinary use, such as minor scuff marks, fading paint, or carpet wear patterns. These cannot be deducted from a security deposit.

3. Cleaning Expenses

The landlord may deduct reasonable cleaning costs necessary to return the rental unit to the condition it was in at the start of the tenancy, minus normal wear and tear. This typically covers:
  • Removal of excessive dirt or debris
  • Cleaning of carpets or flooring beyond what is considered normal use
  • Removal of tenant belongings left behind that require disposal

4. Unpaid Utility Bills

If a tenant is contractually responsible for utilities and fails to pay them, the landlord may deduct unpaid utility charges that were not otherwise paid by the tenant.

5. Other Breaches Specified in the Lease

Some leases may contain clauses that clarify additional lawful deductions, such as fees for lost keys or lock changes, which the tenant agreed to. These must be reasonable and clearly stated in the lease agreement.

Montana Security Deposit Return and Notification Process

Montana law requires landlords to provide tenants with:

  • An itemized written statement listing all deductions from the security deposit
  • The remaining balance of the deposit to be returned
This must be done within 30 days after the tenant vacates and returns the keys or possession of the property.

If the landlord fails to provide this accounting or unlawfully withholds the deposit, tenants have the right to pursue legal remedies.


Tips for Montana Tenants to Protect Their Security Deposit

To minimize the risk of improper deductions:

  • Document the Property Condition: Take photos or videos of the rental unit before moving in and immediately after moving out.
  • Notify of Repairs Needed: Inform the landlord in writing about any damages or maintenance issues during tenancy to avoid being blamed for pre-existing damage.
  • Clean Thoroughly: Leave the property in good, clean condition.
  • Request a Move-Out Inspection: Ask for a joint walkthrough with the landlord to identify any concerns prior to finalizing the tenancy.
  • Keep Records: Maintain copies of rent payments, correspondence, and receipts related to the tenancy and security deposit.

Summary

In Montana, landlords can only legally deduct from security deposits to cover:

  • Unpaid rent or fees owed under the lease
  • Tenant-caused damages beyond normal wear and tear
  • Necessary cleaning costs to return the unit to its original condition
  • Unpaid utilities or other agreed-upon charges specified in the lease
Landlords must provide an itemized list of deductions within 30 days of tenancy termination. Tenants should carefully document the condition of the rental and communicate clearly with landlords to ensure fair treatment regarding security deposit refunds.

Understanding these Montana-specific rules helps tenants protect their rights and secure a full refund of their security deposit whenever possible.

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