5 county-level rules, plus city-specific rules for 4 cities in Arapahoe County, Colorado.
Verified from official government sources
Unincorporated Arapahoe County relies on Colorado Noise Abatement Statute CRS 25-12-103 for noise regulation. State law sets maximum permissible noise levels by zone and time of day, with stricter limits from 7 PM to 7 AM. The Arapahoe County Sheriff enforces noise complaints.
Unincorporated Arapahoe County does not have a separate construction hours ordinance. Colorado state law CRS 25-12-103 applies construction noise at industrial zone standards. Construction is effectively permitted during standard daytime hours with higher decibel allowances.
Arapahoe County Animal Services enforces barking dog complaints under Resolution No. 25-140 in unincorporated areas. Noisy dogs are considered a nuisance, and officers respond to complaints in unincorporated Arapahoe County, Deer Trail, and Foxfield.
Arapahoe County has no leaf blower-specific ordinance. Operation must comply with general noise limits under C.R.S. §25-12-103 and county noise rules. Gas-powered blowers remain legal throughout unincorporated Arapahoe County. Cities within the county (Aurora, Centennial, Littleton) follow their own municipal noise codes but none ban gas blowers outright.
Arapahoe County regulates amplified music through the general noise ordinance and C.R.S. §18-9-106 disturbing the peace. Sound amplification permits are required for public events. Residential amplified music must not exceed property-line dB limits. Outdoor venues in unincorporated areas require special use permits.
4 cities in Arapahoe County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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Arapahoe County Ordinance Hub →