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Free Montana Crime-Free
Housing Addendum Template

The addendum is signed by the same parties as the lease it attaches to.

Last reviewed September 2026

Written by LawLease Editorial

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Montana Crime-Free Housing Addendum

This Crime-Free Housing Addendum is built with Montana as the governing state. These are the Montana landlord-tenant rules that most often bear on it, with the statute for each.

Montana rules at a glance

Montana rules for a Crime-Free Housing Addendum
Nonpayment notice3 days after written notice of nonpaymentMCA §70-24-422(2)
NonpaymentIf rent is unpaid when due and the tenant doesn’t pay within 3 days after written notice of nonpayment, the landlord may terminate the rental agreement (§70-24-422(2)).
Month-to-month termination30 days’ written notice (7 days for week-to-week)MCA §70-24-441

Ending a Montana tenancy

A periodic tenancy ends on the date named in the notice, not necessarily at the end of a rental period — rent is apportioned day by day unless the parties agree otherwise (§70-24-441(3)).

Notice to end a Montana periodic tenancy (MCA §70-24-441)
Week-to-week7 days’ written notice
Month-to-month30 days’ written notice, given at any time
  • Nonpayment — If rent is unpaid when due and the tenant doesn’t pay within 3 days after written notice of nonpayment, the landlord may terminate the rental agreement (§70-24-422(2)).
  • Pets & unauthorized occupants — An unauthorized pet or unauthorized person allows a 3-day notice; if the tenant fixes the problem before the date in the notice, the agreement doesn’t terminate (§70-24-422(1)).
  • Damage or safety threats — Destroying, damaging or removing part of the premises, or creating a reasonable risk of damage to the premises or injury to neighbors, allows termination on 3 days’ written notice (§70-24-422(3)–(4)).
  • Other breaches — Other noncompliance requires at least 14 days’ notice, and a remediable breach cured in time doesn’t end the tenancy; a repeat of the same breach within 6 months allows a 5-day notice (§70-24-422(1)).

Montana Crime-Free Housing Addendum FAQs

How much notice is required to end a month-to-month lease in Montana?

At least 30 days’ written notice, which can be given at any time during the month; the tenancy ends on the date named, with rent apportioned daily. Week-to-week tenancies need 7 days (§70-24-441).

What notice is required to evict for nonpayment of rent in Montana?

A written notice of nonpayment; if the tenant doesn’t pay within 3 days after the notice, the landlord may terminate the rental agreement (§70-24-422(2)).

More Montana landlord documents

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