General information only, not legal advice. Laws change. Verify requirements with a licensed attorney or the statute before acting. Last reviewed: June 2026.
Security Deposit · MT
Montana security deposit law
Key rules for landlords and tenants in Montana, cited to Mont. Code § 70-25-201.
At a glance
- Max deposit
- No statutory limit
- Return deadline
- 10 days (no deductions) or 30 days (with deductions)
- Interest required
- No
- Statute
- Mont. Code § 70-25-201
- Last reviewed
- June 2026
Frequently asked questions
What is the maximum security deposit in Montana?
No statutory limit. (Mont. Code § 70-25-201, last reviewed June 2026.)
How long does a landlord have to return a security deposit in Montana?
10 days (no deductions) or 30 days (with deductions). The landlord must provide an itemized statement of any deductions. Failure to return on time may entitle the tenant to penalties under Mont. Code § 70-25-201.
Is interest required on security deposits in Montana?
No. Montana does not require landlords to pay interest on security deposits under state law.
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