Montana Mobile Home Park Rent Control: 2026 Guide

Is mobile home lot rent controlled in Montana?

No. Montana has no rent control, and that includes mobile home lot rent. There is no statewide cap or percentage limit on how much you can raise lot rent, and no Montana city or county may impose one.

The Montana Residential Mobile Home Lot Rental Act (M.C.A. Title 70, ch. 33) governs the park landlord-tenant relationship, but it does not cap rent. Your real obligations on a rent increase are notice-related: give proper advance written notice, and never use an increase to retaliate against a resident (M.C.A. §70-33-431).

No statewide rent cap or percentage limit

Montana law places no ceiling on lot rent. Montana Legal Services states plainly that 'The law in Montana does not limit the amount your landlord may charge you for rent. There is no rent control in Montana,' and confirms this holds whether the resident rents an apartment, a house, a mobile home, or a mobile home lot.

There is no percentage cap, no CPI formula, and no statutory limit on how often you can raise rent. The practical guardrails are the required notice period, your written rental agreement, and the ban on retaliatory increases.

Rent-increase notice under the Mobile Home Lot Rental Act

The Mobile Home Lot Rental Act has no dedicated rent-increase statute and no special long-notice rule for raising rent. A rent increase simply follows Montana's periodic-tenancy notice framework.

Montana Legal Services advises that for a month-to-month lot tenancy you must give at least 30 days' advance written notice before the rent increases, and for a week-to-week tenancy at least 7 days. Send it in writing and keep dated proof of delivery.

Do not confuse a rent increase with ending a tenancy. Closing the park or changing the land's use requires 15 days' written notice before you seek local permits plus 6 months' (180-day) written notice of termination once permits are approved, and terminating for a 'legitimate business reason' requires at least 90 days — all under M.C.A. §70-33-433. None of those figures apply to a routine rent increase.

Local rent control is preempted

No Montana municipality or county can adopt rent control. M.C.A. §7-1-111(26) denies local governments 'any power to control the amount of rent charged for private residential or commercial property.'

So there is no city-by-city patchwork to track in Montana. The only carve-out is property in which the local government itself has an interest (for example, through a housing authority), which does not touch a privately owned park.

Rent-increase rules at a glance in Montana

• Statewide cap
  None. Montana has no rent control and no percentage or dollar limit on lot-rent increases.
• Notice — month-to-month
  At least 30 days' advance written notice before the increase takes effect (Montana Legal Services, periodic-tenancy rule).
• Notice — week-to-week
  At least 7 days' advance written notice.
• Frequency limit
  None in statute; governed by the written rental agreement and the required notice.
• Local rent control
  Prohibited. M.C.A. §7-1-111(26) bars any local government from controlling rent.
• Retaliation ban
  You may not raise rent to retaliate against a complaint or resident-association activity (M.C.A. §70-33-431).
• Not a rent-increase rule
  Change of use / park closure needs 6 months (180-day) notice plus 15 days pre-permit, and a business-reason termination needs 90 days (M.C.A. §70-33-433) — those are terminations, not increases.

Operator best practices in Montana

• Put the notice in writing
  Send rent-increase notices in writing with at least 30 days' lead for month-to-month tenants, and keep dated proof of delivery.
• Match the notice to the rental period
  Confirm each tenancy's period (monthly vs weekly) and use the matching window — 30 days or 7 days.
• Keep increases non-retaliatory
  Avoid raising rent on the heels of a resident complaint or association activity; §70-33-431 creates a rebuttable presumption of retaliation within 6 months.
• Separate increases from terminations
  Never substitute the change-of-use or business-reason termination notices for a rent-increase notice — they are legally distinct events.
• Document the agreement terms
  Spell out rent, the payment date, and how increases are noticed in the written rental agreement (§70-33-201).
• Build a relationship with a Montana MHP attorney
  Chapter 33 has park-specific, for-cause termination and notice rules; have Montana counsel review your notice templates before you rely on them.