Noise Ordinances in Iowa (2026)
75 rules on the books across Iowa, 16 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Quiet Hours
Nighttime and early morning noise restrictions. Most cities set specific hours when loud activities like lawn mowing, parties, and power tools are not allowed.
Johnson County
Heavy RestrictionsIowa City enforces its noise ordinance and a well-known disorderly house rule aimed at loud student rentals near…
Read full rule →Ankeny
Some RestrictionsAnkeny sets a general 9 p.m. to 7 a.m. noise curfew under Code §§ 44.04 and 44.05, banning any 'noise disturbance,' a…
Read full rule →Cedar Rapids
Some RestrictionsCedar Rapids bans noisy lawn mowers, chain saws, and solid-waste hauling equipment between 10 p.m. and 7 a.m. if the…
Read full rule →Council Bluffs
Some RestrictionsIn the City of Council Bluffs, Night runs 10:00 p.m. to 7:00 a.m. and residential sound limits drop from 55 to 45 dBA…
Read full rule →Davenport
Some RestrictionsDavenport's nighttime hours run 10 PM to 7 AM. Residential property-line limits are 55 dBA daytime and 45 dBA nighttime…
Read full rule →Des Moines
Some RestrictionsDes Moines residential zones face a stricter nighttime noise limit, 60 dBA and 50 dBC from 10 p.m. to 7 a.m., under the…
Read full rule →Iowa City
Some RestrictionsIowa City bars noise disturbances at all hours, not just at night. City code 6-4-2 makes it unlawful to cause plainly…
Read full rule →Polk County
Some RestrictionsUnincorporated Polk County has no countywide decibel-based quiet-hours ordinance. Noise is handled as a nuisance and…
Read full rule →Sioux City
Some RestrictionsSioux City's noise ordinance treats sound from musical instruments, engine repairs, model vehicles, and…
Read full rule →Construction Hours
When construction, demolition, and heavy equipment may run in residential areas. Most cities regulate this by hours and days rather than volume; violations can bring stop-work orders and fines.
Ankeny
Some RestrictionsConstruction noise in Ankeny is barred overnight under Code § 44.05(4): tools or equipment used for erecting…
Read full rule →Council Bluffs
Some RestrictionsIn the City of Council Bluffs, construction, drilling and demolition tools cannot disturb residential neighbors between…
Read full rule →Davenport
Some RestrictionsConstruction tools are allowed daytime hours (7 AM to 10 PM) on weekdays and Saturdays. Nighttime, Sunday, and holiday…
Read full rule →Des Moines
Some RestrictionsDes Moines bans construction, drilling, and demolition noise between 10 p.m. and 7 a.m. citywide, with narrow variances…
Read full rule →Dubuque
Some RestrictionsDubuque restricts loud construction noise to 7:00 A.M. to 8:00 P.M. Monday through Friday and 9:00 A.M. to 6:00 P.M. on…
Read full rule →Iowa City
Some RestrictionsConstruction equipment cannot run in Iowa City before 7:00 a.m. or after 10:00 p.m. without a permit from the city…
Read full rule →Sioux City
Some RestrictionsConstruction noise from tools or equipment counts as a prohibited disturbance in Sioux City between 9:00 p.m. and 7:00…
Read full rule →Waterloo
Some RestrictionsIn the City of Waterloo, Iowa, running construction, drilling or demolition tools that create noise across a…
Read full rule →West Des Moines
Some RestrictionsIn the City of West Des Moines, construction and demolition noise that would otherwise breach section 4-7-7's decibel…
Read full rule →Barking Dogs
Rules about excessive or continuous dog barking, including how complaints are filed, time-of-day limits, and penalties for owners.
Ames
Some RestrictionsIn the City of Ames, Iowa, Sec. 3.115(2) of the Ames Municipal Code declares it a nuisance to let a dog, cat or other…
Read full rule →Ankeny
Some RestrictionsIn the City of Ankeny, Iowa, City Code section 55.08 makes it unlawful for a dog owner to let the animal cause serious…
Read full rule →Cedar Rapids
Some RestrictionsCedar Rapids bans animal noise, including barking, that unreasonably disturbs the peace for more than 15 minutes in an…
Read full rule →Council Bluffs
Some RestrictionsIn the City of Council Bluffs, CBMC 4.50.060 makes it unlawful to own or harbor an animal or bird that frequently or…
Read full rule →Davenport
Some RestrictionsA dog that frequently or continuously barks so as to disturb neighbors across a residential property line violates…
Read full rule →Des Moines
Some RestrictionsDes Moines bans owning or keeping any animal or bird whose frequent, sustained sounds create a noise disturbance across…
Read full rule →Dubuque
Some RestrictionsDubuque code defines excessive barking heard from the public right-of-way as a dog nuisance, and 7-6B-5 makes it…
Read full rule →Iowa City
Some RestrictionsIowa City declares a noisy animal a public nuisance under City Code section 8-4-5(B): no owner may let an animal in…
Read full rule →Linn County
Some RestrictionsIn unincorporated Linn County, an owner or keeper who lets an animal disturb others with frequent or habitual howling…
Read full rule →Sioux City
Some RestrictionsSioux City, Iowa bars owners from letting an animal bark or howl continuously for ten minutes, or intermittently for a…
Read full rule →Story County
Some RestrictionsIn unincorporated Story County, a dog's prolonged or incessant howling, whining, or barking counts as a "nuisance"…
Read full rule →Waterloo
Some RestrictionsWaterloo bans letting a dog, cat or other animal cause serious annoyance through frequent, habitual barking, howling…
Read full rule →West Des Moines
Some RestrictionsIn the City of West Des Moines, a dog, cat or other animal that causes annoyance or disturbance to any person through…
Read full rule →Leaf Blower Rules
Restrictions on leaf blowers, including permitted hours, decibel caps, and the growing set of cities phasing out or banning gas-powered blowers outright.
Ankeny
Some RestrictionsIn the City of Ankeny, Iowa, running motor-powered, muffler-equipped lawn and garden equipment between 9:00 p.m. and…
Read full rule →Des Moines
Some RestrictionsDes Moines exempts electric power tools and motor-powered, muffler-equipped lawn and garden equipment, leaf blowers…
Read full rule →Dubuque
Some RestrictionsDubuque exempts lawn mowers, leaf blowers and other small garden tools from the general noise ban only if run within…
Read full rule →West Des Moines
Some RestrictionsIn the City of West Des Moines, the use of lawn and garden equipment and chain saws, which covers leaf blowers, is…
Read full rule →Davenport
Few RestrictionsDavenport has no leaf-blower ban. Gas and electric blowers are legal, but Sec. 8.19.070(M) prohibits running yard tools…
Read full rule →Amplified Music & Outdoor Sound
Rules for loudspeakers, live bands, DJ equipment, and outdoor music at homes, venues, and events, decibel limits, permitted hours, and when an amplified-sound permit is required.
Johnson County
Heavy RestrictionsIowa City does not allow amplified sound in residential areas except at churches and schools, and its disorderly house…
Read full rule →Ames
Significant RestrictionsIn the City of Ames, Iowa, anyone wanting relief from the Chapter 16 noise limits to run amplified sound, such as a…
Read full rule →Ankeny
Significant RestrictionsIn the City of Ankeny, Iowa, any sound equipment plainly audible from a public right-of-way needs a City Clerk-issued…
Read full rule →Sioux City
Significant RestrictionsSioux City makes it unlawful to run sound equipment that is plainly audible at a property line without a City-issued…
Read full rule →West Des Moines
Significant RestrictionsIn the City of West Des Moines, section 4-7-11 requires a permit from the city clerk before anyone may use a…
Read full rule →Cedar Rapids
Some RestrictionsPlaying a radio, TV, stereo, or other amplified sound equipment loud enough to create a "noise disturbance" - exceeding…
Read full rule →Council Bluffs
Some RestrictionsIn the City of Council Bluffs, CBMC 4.50.060 bars radios, TVs and musical instruments from creating a noise disturbance…
Read full rule →Davenport
Some RestrictionsAmplified music, radios, and PA systems cannot create a noise disturbance across a property line at night or exceed the…
Read full rule →Des Moines
Some RestrictionsDes Moines requires a sound permit for amplified music or speech that creates a noise disturbance, capping most outdoor…
Read full rule →Dubuque
Some RestrictionsDubuque bars outdoor music or amplified noise overnight under City Code Section 6-5-1(M): the cutoff is 10:00 P.M…
Read full rule →Iowa City
Some RestrictionsAmplified sound in Iowa City's City Plaza requires a title 10 permit, and amplified sound anywhere else that keeps…
Read full rule →Linn County
Some RestrictionsOutdoor amphitheaters and stadiums in unincorporated Linn County must sit at least 500 feet from residentially zoned…
Read full rule →Polk County
Some RestrictionsOutdoor events in unincorporated Polk County must meet the Polk County Noise Ordinance and obtain a sound permit if…
Read full rule →Story County
Some RestrictionsStory County doesn't set a countywide decibel limit for amplified sound, but any special event in the unincorporated…
Read full rule →Waterloo
Some RestrictionsCity Code § 4-5-4(A) in the City of Waterloo, Iowa bars operating a radio, television, musical instrument or similar…
Read full rule →Aircraft Noise
Local regulations related to noise from airports, flight paths, and helicopter operations near residential areas.
Sioux City
Significant RestrictionsSioux City's Airport Protection overlay district can require an avigation easement near Siouxland Gateway Airport…
Read full rule →Polk County
Some RestrictionsAircraft-in-flight noise is regulated federally by the FAA, not by Polk County. The county's zoning code references a…
Read full rule →Decibel Limits
The decibel thresholds cities enforce, usually as a table by zone and time of day, residential, commercial, and industrial limits, how noise is measured, and what happens at the property line.
Iowa: statewide
StatewideFew RestrictionsIowa Code 657.11 grants animal feeding operations broad immunity from public and private nuisance suits, including…
Read full rule →Linn County
Significant RestrictionsLarge gas-fired power plants and nuclear facilities in unincorporated Linn County can't exceed 55 dBA near homes (65…
Read full rule →Ames
Some RestrictionsIn the City of Ames, Iowa, sound measured at the property line or right-of-way is capped by neighborhood type under…
Read full rule →Ankeny
Some RestrictionsIn the City of Ankeny, Iowa, permitted sound equipment cannot exceed 70 dB in residential areas by day (65 dB after 8…
Read full rule →Council Bluffs
Some RestrictionsCouncil Bluffs sets numeric decibel ceilings by the zoning of the receiving property and the time of day. A source in a…
Read full rule →Des Moines
Some RestrictionsDes Moines caps outdoor sound at the receiving property's boundary: 60 dBA daytime and 50 dBA nighttime in residential…
Read full rule →Johnson County
Some RestrictionsJohnson County's zoning code sets numeric decibel caps only for specific conditional uses, not general residential…
Read full rule →Polk County
Some RestrictionsIndustrial and utility uses in unincorporated Polk County must keep noise from being excessive at the lot line, and…
Read full rule →Waterloo
Some RestrictionsCity Code § 4-5-3, Table II sets maximum sound levels in the City of Waterloo, Iowa by zone and time of day: 80 dBA…
Read full rule →West Des Moines
Some RestrictionsWest Des Moines caps unamplified and amplified sound at the receiving property line under section 4-7-7 of the Noise…
Read full rule →Vehicle Noise
Rules about loud vehicle exhaust, modified mufflers, racing engines, and stereos audible at distance. Covers what officers measure and typical fines.
Sioux City
Significant RestrictionsSioux City Municipal Code § 8.68.050(2) bars operating a motor vehicle stereo in a public place or on a public…
Read full rule →Ames
Some RestrictionsIn the City of Ames, Iowa, a motor vehicle operated on the public right-of-way cannot emit more than 75 decibels…
Read full rule →Ankeny
Some RestrictionsAnkeny's noise ordinance names three specific vehicle sounds as prohibited noise disturbances: a car stereo audible…
Read full rule →Black Hawk County
Some RestrictionsBlack Hawk County bans loud engine or compression brakes on any vehicle operated within the county under its Engine…
Read full rule →Cedar Rapids
Some RestrictionsCedar Rapids caps car stereo or amplifier noise from a vehicle at 86 dBA measured 25 feet away, and separately bans…
Read full rule →Council Bluffs
Some RestrictionsCouncil Bluffs caps drive-by vehicle sound by class and speed zone and separately requires every motor vehicle and…
Read full rule →Des Moines
Some RestrictionsDes Moines caps car-stereo noise at 50 feet by day and 25 feet at night, and sets drive-by dBA limits by vehicle class…
Read full rule →Dubuque
Some RestrictionsDubuque bans sounding a vehicle horn for any unnecessary or unreasonable period except as a danger warning, and…
Read full rule →Iowa City
Some RestrictionsIowa City bans playing a car stereo loud enough to be heard 50 feet away, or across a property line, for more than 30…
Read full rule →Linn County
Some RestrictionsLinn County requires all-terrain vehicles and off-road utility vehicles operating on county-designated roadways to…
Read full rule →Waterloo
Some RestrictionsIn the City of Waterloo, Iowa, every motor vehicle and motorcycle on a public right of way must run within the Table I…
Read full rule →West Des Moines
Some RestrictionsSection 4-7-9 of the West Des Moines Noise Control Regulations bars amplified sound from a motor vehicle, moving or…
Read full rule →