Noise from Specific Sources in Huntsville, AL (2026)
6 verified noise from specific sources rules for Huntsville, Alabama, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Huntsville has no HVAC-specific rule, but its general noise ordinance caps sound from any fixed source, including air conditioners, heat pumps and condensers, at 55 dB(A) daytime and 50 dB(A) at night on residential property lines.
Huntsville HVAC Noise Property-Line Limits
Some RestrictionsSec. 12-265
No person shall operate, cause to be operated or generate any source of sound in such a manner as to create a sound level which exceeds the following limits when measured at or within the property line of the receiving land use: Residential, public space open space, agricultural, institutional property: 7:00 a.m.—10:00 p.m., 55; 10:00 p.m.—7:00 a.m., 50. Commercial or business: 62, at all times...
Bar & Nightclub Noise
Huntsville limits commercial noise to 62 decibels at all times and bars amplified music audible at nearby homes after 10 p.m., with an exception for the city's entertainment district on weekend nights.
Huntsville Bar and Nightclub Noise Limits
Significant RestrictionsSec. 12-265(b)(1)
No person shall operate, cause to be operated, or generate any source of sound which is electronically amplified... such that the audible sound is discernible by the human ear at or within the property boundary of any adjoining or nearby residential premises between the hours of 10:00 p.m. and 7:00 a.m. ... shall not apply to amplified sound generated from within an arts or entertainment distri...
Car Alarm Limits
Huntsville exempts vehicle and other alarm systems from the noise code's decibel limits, but a burglar-type alarm, including one set off by a collision or break-in, cannot keep sounding past 15 minutes.
Huntsville Car Alarm Noise Time Limit
Some RestrictionsSec. 12-262(2)
Any siren, whistle, horn or bell used by emergency vehicles or any other alarm systems used in case of fire, collision, civil defense, burglary, police activity or imminent danger; however, no burglar alarm shall remain activated for more than 15 minutes after being activated and further provided that no burglar alarm shall be allowed to produce alarm sounds in excess of those specified in sect...
Generator Noise
Portable and standby generators in Huntsville must stay within the city's decibel limits, 55 dB(A) by day and 50 dB(A) at night in residential areas, measured at the property line.
Huntsville Generator Noise Limits
Some RestrictionsSec. 12-265(a)
No person shall operate, cause to be operated or generate any source of sound in such a manner as to create a sound level which exceeds the following limits when measured at or within the property line of the receiving land use: Residential, public space open space, agricultural, institutional property 7:00 a.m.—10:00 p.m. 55; 10:00 p.m.—7:00 a.m. 50. Commercial or business At all times 62. Ind...
Delivery Truck Noise
Huntsville bars trucks over 10,000 pounds GVWR from idling or running attached equipment for more than ten minutes an hour within 150 feet of homes between 10 p.m. and 7 a.m.
Huntsville Caps Nighttime Delivery Truck Idling
Some RestrictionsSec. 12-295
No person shall operate or permit the operation of any motor vehicle with a gross vehicle weight rating (GVWR) in excess of 10,000 pounds, or any auxiliary equipment attached to such a vehicle, for a period longer than ten minutes in any hour while the vehicle is stationary, for reasons other than traffic congestion, within 150 feet of residential premises, between the hours of 10:00 p.m. and 7...
Low-Frequency Bass Limits
Huntsville makes it illegal to run a car stereo or subwoofer loud enough to be heard 25 feet from the vehicle on any public street, whether the car is parked or moving.
Huntsville Vehicle Sound System Noise Ban
Significant RestrictionsSec. 12-298
No person shall operate or cause to be operated any sound amplification system, which includes any mechanical or electronic sound-making device or equipment that produces, reproduces, enhances, or amplifies sound, from, within, or upon a vehicle on the public right-of-way in such a manner as to be plainly audible to any person at least 25 feet from the vehicle from which the sound is emitted. M...
Looking for Madison County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Huntsville city rules.
Noise from Specific Sources in Madison County →