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Bozeman regulates noise under Chapter 16, Article 6 of the Bozeman Municipal Code. Rather than fixed citywide decibel caps for everyday noise, the city uses a 'reasonable person' nuisance standard that prohibits raucous noise which unreasonably disturbs the peace, comfort, or repose of others. A separate construction-noise standard adds a nighttime decibel test (see Construction Hours).
Bozeman's 2024 noise-code update - the first revision since 2001 - set a specific construction-noise standard: construction activity may not produce noise exceeding 60 decibels above the ambient level between 8:00 p.m. and 7:00 a.m. Outside that window, daytime construction is generally permitted.
Bozeman does not set a stopwatch-style barking limit by decibel; instead, a dog that barks, howls, or makes noise that unreasonably disturbs neighbors is handled as a nuisance under the general noise standard (Chapter 16, Article 6) and the city's animal-control rules in Chapter 8. Complaints go to Bozeman Animal Control.
Amplified sound - loudspeakers, stereos, live bands, DJ rigs - is regulated in Bozeman under the general noise nuisance standard in Chapter 16, Article 6 of the Bozeman Municipal Code. Outdoor events with amplified sound on public property or at large venues require a city permit that sets end-times and conditions.
Bozeman has no leaf-blower-specific ordinance and no gas-blower ban. Leaf blowers are treated as general noise sources under Chapter 16, Article 6 of the Bozeman Municipal Code, so they're legal to use but must not produce noise that unreasonably disturbs neighbors - which in practice means daytime use.
Aircraft noise in Montana is governed almost entirely by federal law under the Federal Aviation Act and FAA regulations. State and local authorities generally cannot regulate flight operations, altitudes, or in-flight noise. Montana airports may impose proprietor-based restrictions consistent with federal law under MCA Title 67.
Bozeman bans fireworks. Under Ordinance 2134 (adopted May 2, 2023, effective June 2, 2023), the sale and discharge of fireworks is prohibited within Bozeman city limits and in county enclaves surrounded by the city. The only exception is handheld sparklers, which must be magnesium-free and no longer than 12 inches.
Open burning in and around Bozeman requires a Gallatin County burn permit and is only allowed during the March 1 - November 30 burning season. The Bozeman Fire Chief can shut down all open burning during high fire danger, and in extreme conditions impose an emergency burn ban that also prohibits recreational fires.
Recreational fires in a fire pit do not require a burn permit in Bozeman, but the fire must be for recreational purposes and contained. Bozeman limits a recreational fire to less than 36 inches in diameter (tighter than the 48-inch general standard), and all recreational fires are suspended during emergency burn bans.
Montana adopts NFPA 58 Liquefied Petroleum Gas Code statewide through the State Fire Prevention and Investigation Section. Storage setbacks, tank sizing, installation, and licensing of LP-gas dealers are regulated uniformly, with the State Fire Marshal enforcing compliance across all jurisdictions.
Montana DNRC designates wildfire hazard zones and implements statewide fire restriction stages. During declared restrictions, certain activities including campfires, smoking outdoors, and equipment use are prohibited regardless of local ordinances, with violations carrying criminal penalties.
Every short-term rental in Bozeman must be registered with the city before it operates, with an annual registration fee (recently $325). Registration ties the rental to its specific type and zoning district and must be renewed each year under Unified Development Code Section 38.360.250.
Bozeman regulates short-term rentals under Unified Development Code Section 38.360.250. STRs are sorted into three types based on owner-occupancy, all must register with the city, and zoning limits where each type may operate. The 2026 UDC update further tightened where non-owner-occupied rentals are allowed.
To qualify for a new Type 1 or Type 2A short-term rental in Bozeman, the host must occupy the dwelling as their primary residence - defined as living there at least 70% of the calendar year. Non-owner-occupied whole-home (Type 3) rentals face the tightest zoning limits under the Unified Development Code.
Montana law requires short-term rental platforms and hosts to maintain liability coverage and disclose insurance information. Homeowner policies typically exclude commercial use, so hosts must obtain commercial or hosting liability coverage that satisfies state insurance code standards.
Montana imposes a statewide 4% lodging facility use tax and a 4% sales tax on short-term rental accommodations. Hosts must register with the Department of Revenue, collect taxes from guests, and remit them quarterly regardless of any local ordinance.
Bozeman requires dogs to be leashed on public property unless they are within a designated off-leash area, and the leash must be six feet or shorter. Letting a dog run at large is unlawful under Chapter 8 of the Bozeman Municipal Code. Penalties escalate from a $100 fine to $200, $300, and ultimately a criminal charge for repeat offenders.
Bozeman allows backyard hens under its urban chicken ordinance: up to 6 hens with a $25 permit (renewable every three years), or 7-15 hens with a $50 permit, scaled to lot size. Roosters are not allowed. Coops must be predator-proof and set back at least 10 feet from neighboring structures.
Montana's animal cruelty statute applies universally and addresses neglect, deprivation, and conditions characteristic of hoarding regardless of local ordinances or jurisdiction across the state.
Montana requires all beekeepers to register hives with the Department of Agriculture annually. The state apiary law preempts local registration mandates and sets disease standards uniformly.
Montana law requires Fish, Wildlife and Parks permits to possess exotic, wild, or roadside menagerie animals. State licensing preempts local exotic pet rules across Montana communities.
Montana state law prohibits intentional or negligent feeding of deer, elk, bears, and other game animals statewide. The rule preempts municipal allowance and applies on private property.
Under Bozeman's Unified Development Code (Sec. 38.350.060), fences may not exceed six feet in height in any required rear or side setback, and may not exceed eight feet overall. Decorative post caps may extend up to one foot above the limit, and any fence taller than six feet requires a building permit.
Bozeman requires a building permit for any fence taller than six feet. Fences six feet or shorter generally don't need a building permit, but every fence must still comply with the height, setback, and corner-visibility standards in Unified Development Code Section 38.350.060.
Montana statute MCA 70-16-205 establishes the partition fence rule: when a neighbor encloses land bordering an existing fence, they must pay a just proportion of the fence value. Property line fence disputes also fall under Montana spite fence and adverse possession doctrines.
Montana adopts the International Swimming Pool and Spa Code through state building code adoption under MCA 50-60-203. Pool barriers must be at least 48 inches high with self-closing, self-latching gates. The code applies statewide for new residential pool construction and is enforced by local building departments.
Montana SB 528, codified in 2023, requires cities and counties to allow accessory dwelling units on lots zoned for single-family use. Local governments cannot impose owner-occupancy, family-only, or excessive parking requirements.
Montana adopts statewide building and residential codes through the Department of Labor and Industry. Tiny houses on foundations follow IRC Appendix Q, while RV-classified tiny homes on wheels are regulated as recreational vehicles under state law.
The Montana Local Food Choice Act (MCA 50-50-116 to 50-50-122) preempts local food licensing for direct producer-to-consumer sales of homemade foods. Cities cannot require permits or inspections for qualifying cottage food operations meeting state labeling rules.
Montana requires state registration or licensure for home-based child care under Title 52, Chapter 2, MCA. The Department of Public Health and Human Services sets capacity, safety, and background-check standards that apply uniformly statewide.
Montana law permits rainwater harvesting from rooftops for non-consumptive uses without a water right. Cisterns and storage are not separately regulated by the state, but collection cannot interfere with senior downstream water rights.
Montana's Water Use Act vests water rights administration with the Department of Natural Resources and Conservation. Cities cannot grant or override water rights, though local utilities may impose drought-related conservation rules on customers.
Montana's County Noxious Weed Control Act requires every landowner to manage state-listed noxious weeds on their property. County weed districts have statutory authority to inspect, notify, and force compliance, with costs assessed against the landowner.
Montana adopts the International Building Code and International Swimming Pool and Spa Code statewide. Local jurisdictions enforce barrier requirements but cannot weaken state minimum safety standards.
Montana regulates public swimming pools, spas, and bathing places under state health rules requiring licensing, water quality testing, and lifeguard standards regardless of local jurisdiction.
Montana sets statewide licensing for marijuana dispensaries under Title 16, Chapter 12, MCA, including a 500-foot buffer from schools and places of worship. Counties that voted against I-190 may opt out, but green-light counties must allow licensed dispensaries.
Montana law (Title 16, Chapter 12, MCA) sets uniform statewide rules for adult-use marijuana home cultivation, allowing limited plants per household. The state framework controls plant counts, security, and visibility, leaving little room for local override of personal cultivation rights.
Commercial drone pilots in Montana must hold an FAA Part 107 Remote Pilot Certificate. The FAA preempts local flight regulation, while Montana statutes restrict surveillance, evidence collection, and uses interfering with hunting or wildlife.
FAA rules govern airspace, while Montana law (MCA 45-8-213, 46-5-109) prohibits drone surveillance of private property and protected uses. Local governments cannot regulate flight, but state privacy and trespass statutes apply uniformly statewide.
Montana sets a statewide minimum wage under MCA 39-3-409, while MCA 39-3-411 historically allows local governments to set higher minimum wages within their jurisdictions.
Montana has no statewide paid sick or family leave mandate, and the state's wage statute MCA 39-3-411 does not clearly authorize or preempt local paid leave ordinances.
Montana has no statewide predictive scheduling law, and no Montana local government has enacted scheduling mandates of the kind seen in larger US cities.
Montana permits concealed carry without a permit for most adults under HB 102 (2021), while still issuing optional permits under MCA 45-8-321 for reciprocity and convenience.
Montana statute MCA 45-8-351 broadly preempts local governments from regulating the purchase, sale, ownership, possession, transportation, or transfer of firearms and ammunition.
Open carry of firearms is broadly lawful in Montana for adults who may legally possess a firearm, with local restrictions preempted by MCA 45-8-351.
Montana law under MCA 45-8-316 generally allows adults to carry firearms in vehicles, with permitless concealed carry now extended to most public places under HB 102 (2021).
Montana has not enacted a statewide E-Verify mandate for private employers, leaving use of the federal employment eligibility system voluntary except for federal contractors.
Montana has no statewide sanctuary preemption law in force; HB 200 attempted to ban sanctuary jurisdictions but was vetoed, leaving local discretion under existing cooperation norms.
Montana enacted MCA 17-7-216 requiring state-funded outdoor lighting fixtures to be shielded and minimize light pollution. The statute applies to state buildings and state-funded projects. Local jurisdictions retain authority over private dark sky ordinances, with Glacier National Park area communities adopting strict standards.
Light trespass in Montana is addressed primarily through the general nuisance statute MCA 27-30-101. Excessive artificial light spilling onto neighboring property can constitute an actionable nuisance when it unreasonably interferes with use and enjoyment of property. Local ordinances supplement this framework.
Montana's Residential Landlord and Tenant Act establishes statewide eviction procedures and grounds. Cities cannot impose just-cause eviction requirements beyond state law, which permits non-renewal of month-to-month tenancies with proper notice.
Montana law expressly prohibits cities, counties, and other political subdivisions from enacting any form of residential rent control. The preemption applies regardless of housing emergency declarations or local voter initiatives.
Montana counties may adopt zoning that protects agricultural land, while MCA 27-30-101 limits nuisance challenges and reinforces the priority of established farm uses.
Montana's Right to Farm and Ranch Act in MCA 27-30-101 protects qualifying agricultural operations from nuisance lawsuits when conducted using generally accepted practices.
Montana enacted MCA 7-5-103 in 2021, preempting local governments from regulating, banning, or imposing fees on plastic bags and other auxiliary containers.
Polystyrene foam food containers are not banned statewide in Montana, and MCA 7-5-103 prevents local governments from enacting bans or fees on these auxiliary containers.
Montana does not regulate plastic straws statewide and prevents local governments from imposing straw bans through the auxiliary container preemption in MCA 7-5-103.
Montana law under MCA 50-50A-103 prohibits sale of tobacco, vapor, and alternative nicotine products to anyone under age 21, aligning with federal Tobacco 21.
Montana has not enacted a statewide flavored tobacco or vapor ban, leaving most flavored products legal for sale to adults 21 and older under MCA 50-50A-103.
Montana regulates vapor product sales statewide under MCA Title 16 and 50-50A, requiring retailer compliance with age verification and licensing for tobacco-related products.