Denver, CO Noise Ordinances: Decibel Limits (2026)

It shall be unlawful for any person to emit or cause to be emitted any noise that leaves the premises on which it originates, crosses a property line, and enters onto any other premises in excess of the sound pressure levels permitted during the time periods specified in Table A. It is further unlawful for any person to emit or cause to be emitted any noise within the public premises in excess of the limits established in Table A.(1)The noise source shall be measured at any point along the property line of the receptor premises or within the property line of the receptor premises, as determined at the discretion of the department, to determine compliance with this chapter.(2)When it is determined that the ambient sound pressure level at the receptor premises equals or exceeds the maximum allowable sound pressure level specified in Table A, then the ambient sound pressure level is the standard that cannot be exceeded by the noise source. _____

Table A: Allowable Sound Pressure Levels (in dB(A)) with Time of Day Allowance

Receptor Premises Residential Commercial Industrial Public Source Premises 7am— 10pm 10pm— 7am 7am— 10pm 10pm— 7am 7am— 10pm 10pm— 7am 7am— 10pm 10pm— 7am Residential 55 50 65 60 80 75 75 70 Commer- cial 55 50 65 60 80 75 75 70 [65] [60] Industrial 55 50 65 60 80 75 75 70 [80] [75] Public 55 50 65 60 80 75 75 70 [75] [70]