Montana Lifestyle & Property Laws (2026)
A comprehensive legal reference for lifestyle & property in the state of Montana. This guide covers current statutes, penalties, and restrictions for 10 different categories.
Short-term rentals are legal in Montana. In September 2025, the Montana Supreme Court ruled that residential covenants prohibiting commercial activity apply to short-term rentals. Hosts should verify local ordinances and tax requirements before listing.
State-Level Rules
Legal; check local ordinances
Local Permit Requirements
Legal; may need business license
Penalties
Must collect and remit applicable lodging/occupancy taxes.
Host Requirements
N/A
Backyard Chickens
LEGALBackyard Chickens are legal in Montana. There have been no significant statewide legislative changes since 2023.
State Regulations
Legal under state law; local ordinances vary widely
Local Ordinance Rules
Legal to sell chickens and supplies
Penalties
Violations of local ordinances may result in fines or required removal of chickens.
Collecting Rainwater
RESTRICTEDMontana regulates rainwater collection due to prior appropriation water rights. According to Montana Code Annotated § 85-2-102, water rights are required for surface water, and rainwater collection may be restricted if it interferes with downstream rights.
Collection Rules
Rainwater collection is allowed if it does not infringe on existing water rights; permits may be required for larger systems.
Volume Limits & Permits
Sale of collected rainwater is generally restricted and may require water rights permits.
Penalties
Violations can result in fines and enforcement actions under MCA Title 85.
Composting Toilets
LEGALComposting toilets are explicitly permitted in Montana under state plumbing or health codes. No significant legislative changes have been made since the last update to Circular DEQ-4.
State Plumbing Code
Legal; NSF 41 certified units typically required
Permit Requirements
Legal to sell and install
Penalties
Must meet state health department requirements.
Dumpster Diving
RESTRICTEDMontana does not have a law specifically addressing dumpster diving, but trespass laws (Mont. Code Ann. § 45-6-203) prohibit unauthorized entry on private property, including dumpsters located there.
State Law
Items may be taken from dumpsters accessible on public property; private property dumpsters require permission.
Local Ordinance Rules
No explicit restrictions on sale; selling stolen goods is illegal.
Penalties
Trespass is a misdemeanor punishable by fines and/or imprisonment up to 6 months.
Exotic Pet Ownership
RESTRICTEDMontana regulates exotic pet ownership under Mont. Code Ann. §§ 87-5-101 et seq. Certain exotic animals require permits or are prohibited, especially large carnivores and primates. The state regulates sale and possession to protect native wildlife and public safety.
Ownership Rules
Permits required for possession of many exotic species; some species are banned.
Permit Requirements
Sale of prohibited species is illegal; sale of permitted species requires licensing.
Penalties
Violations may result in fines and confiscation of animals.
Age Restriction
None
Off-Grid Living
LEGALOff-grid living is relatively friendly in Montana. No significant statewide legislative changes impacting off-grid living have been reported since 2023.
State Regulations
Generally permissive with fewer restrictions
Utility & Building Code Rules
Solar, wind, and rainwater systems legal
Penalties
Must still comply with any applicable county building codes.
Recording Conversations
RESTRICTEDMontana requires all-party consent to record private conversations under Mont. Code Ann. § 45-8-213. Recording without consent of all parties is illegal unless the conversation occurs in a public place with no expectation of privacy.
Consent Requirements
Possession of illegally recorded conversations is prohibited.
Exceptions
Sale or distribution of illegally recorded conversations is prohibited.
Penalties
Violations can be misdemeanors punishable by fines and/or imprisonment up to 6 months.
Sleeping in Your Car
LEGALSleeping in your car is generally legal in Montana at rest areas, truck stops, and other designated areas. In July 2025, Missoula implemented a vehicle camping permit system.
State Law
Generally legal at rest areas and designated spots
Common Local Rules
N/A
Penalties
May face trespassing charges on private property.