Quiet hours in Larimer County, CO — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Nighttime quiet runs 7:00 p.m.–7:00 a.m. in unincorporated Larimer County (limit drops to 50 db(A) residential) and 8:00 p.m.–7:00 a.m. in Fort Collins (50 dB(A) residential). Daytime residential ceilings are 55 db(A).
In unincorporated Larimer County, Ordinance No. 97-03 sets residential limits of 55 db(A) from 7:00 a.m.–7:00 p.m. and 50 db(A) from 7:00 p.m.–7:00 a.m.; daytime levels may rise 10 db(A) for up to fifteen minutes per hour. Fort Collins Municipal Code § 20-23 mirrors this with a 55 dB(A) residential cap 7:00 a.m.–8:00 p.m. and 50 dB(A) from 8:00 p.m.–7:00 a.m. Incorporated cities (Fort Collins, Loveland, Estes Park) enforce their own codes; the county rule governs only unincorporated land.
Larimer County fines escalate: $30 first violation, $60 for a second within 30 days, then $300 for each successive violation. Fort Collins issues a summons under § 20-29 / § 1-15.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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