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.
Unlike a number of coastal cities, Bozeman has not adopted a dedicated leaf-blower ordinance: there is no time-of-day blower restriction, no decibel-specific blower section, and no gas-powered-blower ban in the Bozeman Municipal Code. Leaf blowers are instead governed by the general noise rules in Chapter 16, Article 6, which prohibit raucous noise that unreasonably disturbs others. As a practical matter, that means routine daytime leaf-blower use is fine, while running a blower early in the morning, late at night, or in a way that persistently disturbs a neighbor could be treated as a nuisance-noise violation. Montana has not adopted a statewide gas-blower phase-out comparable to California's, so existing gas blowers remain legal to buy and use in Bozeman.
Because there's no blower-specific section, any enforcement would come under the Chapter 16 nuisance-noise standard - a municipal misdemeanor with a fine of up to $500 and/or up to six months in jail, generally reserved for persistent or unreasonable use rather than ordinary daytime yard work.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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