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Montana Late Fee Laws

Last reviewed: July 10, 2026

Maximum late fee
No statutory cap
Grace period
None required
Statute
Mont. Code Ann. tit. 70, ch. 24

Montana sets no statutory dollar cap on residential late fees — Mont. Code Ann. tit. 70, ch. 24 governs the landlord–tenant relationship, and courts still expect a late fee to be a reasonable estimate of actual damages rather than a penalty.

Montana's statute doesn't impose a waiting period, so the lease controls when a late fee may be charged. Charging from day one is legal here only if the lease says so explicitly.

Montana's residential landlord-tenant act doesn't address late fees; reasonableness and the written lease control.

Calculate a late fee with Montana's limits preloaded

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Frequently asked questions

What is the maximum late fee in Montana?
There is no fixed statutory maximum in Montana. The fee still has to be reasonable — courts can strike down fees that operate as penalties, so document how yours relates to your actual costs.
Is there a required grace period in Montana?
No. Montana's statute doesn't mandate a grace period, so the lease determines when a fee kicks in.
Where is this in Montana law?
The controlling provision is Mont. Code Ann. tit. 70, ch. 24. Legislatures amend these rules, so always confirm the current text via the official source linked above.

This tool is for informational purposes only and is not legal advice. Rules vary by state and locality and change over time — confirm current requirements for your jurisdiction before acting.

Late fee laws in other states