Montana Security Deposit Law: No Cap, 10/30-Day Return

70-25-201 . Security deposit -- deductions authorized therefrom. (1) A landlord renting property covered by this chapter may deduct from the security deposit a sum equal to the damage alleged to have been caused by the tenant, together with a sum equal to the unpaid rent, late charges, utilities, penalties due under lease provisions, and other money owing to the landlord at the time of deduction, including rent owed under 70-24-441 (3), and a sum for actual cleaning expenses, including a reasonable charge for the landlord's labor. (2) At the request of either party, the premises may be inspected within 1 week prior to termination of the tenancy. (3) (a) Cleaning charges may not be imposed for normal maintenance performed on a cyclical basis by the landlord as noted by the landlord at the time that the tenant occupies the space unless the landlord is forced to perform this maintenance because of negligence of the tenant. Additionally, cleaning charges may not be deducted until written notice has been given to the tenant. The notice must include the cleaning not accomplished by the tenant and the additional amount and type or types of cleaning that need to be done by the tenant to bring the premises back to its condition at the time of its renting.