30 days to return the deposit; cap no statutory cap.
With deductions, the landlord has 30 days to itemize and refund; with no deductions, 10 days. There is no statutory cap on the deposit amount.
What this means for you: If there are no deductions, you should get the full deposit back fast — within 10 days.
Your next step: Provide a forwarding address; send a demand if the deadline passes.
Source: Mont. Code § 70-25-202. Reviewed 2026-06-16 (needs local verification).
More Montana rights: Montana eviction · Montana repairs · Montana entry notice · Montana rent increase.
Security deposit in nearby states: Idaho (21 days to return the deposit; cap no statutory cap) · Wyoming (30 days to return the deposit; cap no statutory cap) · North Dakota (30 days to return the deposit; cap 1 month's rent) · South Dakota (14 days to return the deposit; cap 1 month's rent).
General legal information, not legal advice. Laws change and vary by locality; consult a licensed attorney or your local housing authority.
Updated July 2026