Noise Ordinances in Castle Rock, CO (2026)
10 verified noise ordinances for Castle Rock, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Castle Rock's noise code (Chapter 9.16) makes it unlawful to create a noise disturbance. Radios, TVs and instruments may not be audible 100 feet away, nor through a shared party wall. Quiet hours run 7 p.m. to 7 a.m.
Castle Rock Quiet Hours and Noise Limits
Some RestrictionsCastle Rock Municipal Code Ch. 9.16 (Noise Control)
Radios, televisions, musical instruments and similar devices may not be audible 100 feet away, nor audible through the walls common to two parties.
Construction Hours
Construction, drilling and demolition noise is prohibited between 7 p.m. and 7 a.m. on weekdays, and between 6 p.m. and 8 a.m. on weekends and holidays, under Municipal Code section 9.16.030(5).
Castle Rock Construction Hours of Operation
Some RestrictionsCastle Rock Municipal Code 9.16.030(5)
Operating or permitting the operation of any tools or equipment in connection with construction, drilling or demolition work between the hours of 7 p.m. and 7 a.m. the following day [and, on weekends or holidays, between 6 p.m. and 8 a.m.].
Barking Dogs
Under Municipal Code 6.02.110 it is unlawful to keep a dog that barks, howls, whines or yelps audibly beyond the premises for more than 10 consecutive minutes, day or night.
Castle Rock Barking Dog / Noisy Dog Rule
Some RestrictionsCastle Rock Municipal Code 6.02.110
It is unlawful to keep a dog which, individually or in combination with another dog or dogs kept on the same premises, makes noise by barking, howling, whining, yelping or other utterance which is plainly audible beyond the premises on which the animal is kept, for a consecutive period in excess of ten (10) minutes at any time during the day or night.
Leaf Blower Rules
Castle Rock has no dedicated leaf-blower ban. Blowers and yard equipment fall under the general noise code (Ch. 9.16): they must not create a noise disturbance and must observe quiet hours 7 p.m. to 7 a.m.
Castle Rock Leaf Blowers and Yard Equipment Noise
Some RestrictionsAmplified Music & Events
Amplified sound is governed by noise-control Chapter 9.16. The Town's standard: radios, TVs, musical instruments and similar devices may not be audible 100 feet away, nor audible through a shared party wall.
Castle Rock Amplified Music and Sound Devices
Some RestrictionsCastle Rock Municipal Code Ch. 9.16 (Noise Control)
Radios, televisions, musical instruments and similar devices may not be audible 100 feet away, nor audible through the walls common to two parties.
Aircraft Noise
Castle Rock and Colorado do not regulate aircraft noise in flight. Aircraft operations and noise are governed by the FAA under federal law; the Town's noise code does not apply to lawful overflights.
Castle Rock Aircraft Noise (Federally Preempted)
Some RestrictionsIndustrial Noise
Industrial and commercial noise is governed by Chapter 9.16 plus zoning. Colorado's CRS 25-12-103 caps commercial noise at 60/55 dB(A) and industrial at 80/75 dB(A) (day/night), measured 25 feet from the property line.
Castle Rock Industrial and Commercial Noise Limits
Some RestrictionsCRS 25-12-103(1)
Commercial [zone]: 60 db(A) day / 55 db(A) night; light industrial: 70 db(A) day / 65 db(A) night; industrial: 80 db(A) day / 75 db(A) night ... shall constitute prima facie evidence that such noise is a public nuisance.
Decibel Limits
Castle Rock's code uses an audibility standard, but Colorado's CRS 25-12-103 supplies the dB backstop: residential noise measured 25 feet from the property line is capped at 55 dB(A) (7 a.m.-7 p.m.) and 50 dB(A) (7 p.m.-7 a.m.).
Castle Rock Decibel Limits (State Backstop)
Some RestrictionsCRS 25-12-103(1)
Residential [zone]: 55 db(A) 7:00 a.m. to next 7:00 p.m., 50 db(A) 7:00 p.m. to next 7:00 a.m. ... measured at a distance of twenty-five feet or more beyond the property line ... shall constitute prima facie evidence that such noise is a public nuisance.
Outdoor Music
Outdoor speakers, live music and backyard parties fall under noise-control Chapter 9.16: sound may not be audible 100 feet away, and quiet hours run 7 p.m. to 7 a.m. Larger events may need Town coordination.
Castle Rock Outdoor and Backyard Music
Some RestrictionsCastle Rock Municipal Code Ch. 9.16 (Noise Control)
Radios, televisions, musical instruments and similar devices may not be audible 100 feet away, nor audible through the walls common to two parties.
Vehicle Noise
Castle Rock enforces vehicle noise through the adopted Colorado Model Traffic Code plus CRS 42-4-225: every vehicle must have an adequate muffler in constant operation to prevent excessive or unusual noise. Loud exhaust and revving are cited.
Castle Rock Vehicle Noise and Mufflers
Some RestrictionsCRS 42-4-225(1) (adopted via Castle Rock Model Traffic Code, MC Title 10)
Every motor vehicle subject to registration and operated upon a highway shall at all times be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise.
Looking for Douglas County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Castle Rock city rules.
Noise Ordinances in Douglas County →