Denver has no outright ban on leaf blowers but phases in restrictions on gas-powered commercial landscape equipment. DRMC Chapter 36 noise limits apply, and the city launched an Electric Lawn Equipment Pilot in 2022 reflecting Denver's ozone non-attainment status along the Front Range.
Denver regulates leaf blowers primarily through DRMC Chapter 36 (Noise) and DRMC Section 4-10 environmental provisions. The general residential noise limit is 55 dB(A) from 7 AM to 10 PM and 50 dB(A) overnight at the property line, and most commercial gas-powered leaf blowers measure 65 to 75 dB(A). Denver Parks and Recreation has transitioned municipal crews to battery-powered equipment, and the city's Office of Climate Action, Sustainability and Resiliency (CASR) administers an Electric Lawn Equipment rebate program tied to the Denver Climate Protection Fund (2020 ballot measure 2A). Denver sits within the EPA-designated Denver Metro/North Front Range severe ozone non-attainment area, which has driven Regional Air Quality Council (RAQC) summer small-engine advisories. Commercial landscapers using gas equipment during red-flag ozone action days face advisory restrictions. Use of any blower during quiet hours (10 PM to 7 AM) violates DRMC §36-6.
General noise violation under DRMC §36-6: $150 first offense, up to $999 and/or up to 300 days jail for repeat violations classed as general municipal offenses. Quiet-hours operation: $150 to $500.
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