Landlord-Tenant Law Guide
Montana Landlord-Tenant Laws
Montana's Residential Landlord and Tenant Act is balanced and clear. The deposit return window is just 10 days if there are no deductions, and 24 hours notice is required before entry.
Key Rules at a Glance
Security Deposit Limit
No statutory limit
Montana does not cap security deposits.
Deposit Return Deadline
10 days (no deductions) / 30 days (with deductions)
Itemized written statement required for any deductions.
Notice to Enter
24 hours
Written notice required for non-emergency entry.
Rent Increase Notice
15 days
Written notice at least 15 days before a rent increase for month-to-month tenants.
Late Fee
Must be in lease; reasonable
No statutory cap.
Nonpayment Eviction Notice
3 days
Written 3-day notice to pay or quit.
Lease Termination (Month-to-Month)
30 days
Either party may terminate with 30 days written notice.
Disclaimer:Montana's 10-day deposit return window (no deductions) is among the fastest in the country. Consult a Montana real estate attorney.
Prorated Rent Calculator
Calculate mid-month rent.
Open →Late Rent Notice
Generate a notice instantly.
Open →Move-In Report
Document property condition.
Open →Frequently Asked Questions
How quickly must a Montana landlord return a security deposit?
10 days if returning the full deposit with no deductions. If making deductions, 30 days with an itemized written statement.
How do I evict a non-paying tenant in Montana?
Serve a written 3-day notice to pay or quit. If not cured, file for eviction in justice court.
What notice is required before entering a Montana rental?
24 hours written notice for non-emergency entry.