Quiet hours in Littleton, CO — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Littleton City Code Title 7, Chapter 3 (Noise Control, Sections 7-3-1 through 7-3-13) regulates sound levels citywide. Residential district limits are 55 dB daytime and 50 dB nighttime, with the nighttime period beginning at 7 PM. Business districts allow 60 dB daytime and 55 dB nighttime.
Littleton's noise ordinance (Title 7, Ch. 3) establishes maximum permissible continuous sound pressure levels measured at the property boundary. Residential zones are limited to 55 dB(A) from 7 AM to 7 PM and 50 dB(A) from 7 PM to 7 AM. Business districts allow 60 dB(A) daytime and 55 dB(A) nighttime. Section 7-3-6 makes it unlawful to operate any stationary continuous noise source exceeding these limits. Periodic, impulsive, or shrill noises are considered a public nuisance at 5 dB(A) less than the standard limits. Section 7-3-7 includes duration corrections, and Section 7-3-8 provides exclusions for emergency vehicles and certain activities. Section 7-3-13 allows noise waivers for special circumstances.
Violation of Littleton's noise ordinance is a municipal offense subject to fines. State CRS Section 18-9-106 (disturbing the peace) is a Class 1 petty offense with fines up to $500.
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Side-by-side rule comparisons with other cities in Arapahoe County.
See how other cities in Arapahoe County handle quiet hours.
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