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Montana legal documents and rules

Create documents for Montana and check the Montana rules behind them. Every rule below links to the statute or official source we checked.

Montana rules at a glance

The statewide rules we verified for Montana, last checked October 2026. Local ordinances can add to them.

Security deposit limit
No statewide limit
Deposit return deadline
30 days
Interest on deposits
Not required by state law
Notice before landlord entry
24 hours

Montana does not cap security deposits, requires return within 30 days after the tenancy ends (10 days if nothing is deducted), and requires 24 hours' notice before landlord entry.

Notice for unpaid rent
3 days
Notice for a lease violation
14 days
Ending a month-to-month tenancy
30 days

In Montana, a landlord may give a 3-day written notice to pay overdue rent, generally a 14-day notice to cure other lease violations, and 30 days' written notice to end a month-to-month tenancy.

Witnesses
2 witnesses
Self-proving affidavit
Allowed
Handwritten (holographic) wills
Recognized

Montana requires a written will signed by the testator and at least two witnesses, recognizes holographic wills whose signature and material portions are in the testator's handwriting, and allows self-proved wills.

Notarization
Optional, recommended
Witnesses
None
Uniform Power of Attorney Act
Adopted (2011)

Montana follows the Uniform Power of Attorney Act, so a power of attorney must be signed by the principal and notarization is not required for validity, but a notarized signature is presumed genuine.

Notary acknowledgment
Required to record
Witnesses
None
Transfer tax
No state tax

A Montana deed must be acknowledged (or proved by a subscribing witness) before it can be recorded, and the Montana Constitution prohibits any tax on the sale or transfer of real property.

General information, not legal advice. Laws change, and cities can add their own rules, so check the current statute before you rely on it.