Noise Ordinances in Simi Valley, CA (2026)
6 verified noise ordinances for Simi Valley, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Simi Valley's noise curfew runs 10:00 p.m. to 7:00 a.m. Sunday through Thursday and 11:00 p.m. to 7:00 a.m. on Friday and Saturday. Under Municipal Code § 5-16.02(b), playing a radio, TV, or amplified music loud enough to disturb a neighbor's peace during those hours is a public nuisance and a misdemeanor.
Simi Valley Nighttime Noise Curfew Hours
Some RestrictionsSimi Valley Municipal Code § 5-16.02(b)
The following acts are hereby expressly declared to be nuisances, and any person maintaining or permitting such nuisances, or any of them, to be maintained or to exist in or on his premises, whether as owner, lessee, or otherwise, shall be deemed guilty of a misdemeanor for each day during which such nuisance shall be permitted to be continued: ... (b)Radios, electronic and amplification device...
Construction Hours
Simi Valley bars noisy construction, demolition, or building repair work outside 7:00 a.m. to 7:00 p.m. under Municipal Code § 5-16.02(i). Work outside those hours is a public nuisance and a misdemeanor unless the City Engineer grants an exception for urgent public health or safety needs.
Simi Valley Construction Noise Hours: 7 AM to 7 PM
Some RestrictionsSimi Valley Municipal Code § 5-16.02(i)
The following acts are hereby expressly declared to be nuisances, and any person maintaining or permitting such nuisances, or any of them, to be maintained or to exist in or on his premises, whether as owner, lessee, or otherwise, shall be deemed guilty of a misdemeanor for each day during which such nuisance shall be permitted to be continued: ... (i)Construction and repair of buildings. The e...
Barking Dogs
Simi Valley treats a barking dog that disturbs neighbors between 10 p.m. and 7 a.m. Sunday through Thursday, or 11 p.m. to 7 a.m. Friday and Saturday, as a public nuisance under Municipal Code § 5-16.02(e). The keeper faces a misdemeanor charge for each day the barking continues, and the City's animal overlay zone exemption never applies to barking dogs.
Simi Valley Barking Dog Noise Rules
Some RestrictionsSimi Valley Municipal Code § 5-16.02(e), (k)
The following acts are hereby expressly declared to be nuisances, and any person maintaining or permitting such nuisances, or any of them, to be maintained or to exist in or on his premises, whether as owner, lessee, or otherwise, shall be deemed guilty of a misdemeanor for each day during which such nuisance shall be permitted to be continued: ... (e)Noises by animals, birds, and fowl. The kee...
Amplified Music & Outdoor Sound
A business planning permanent amplified music or dancing in Simi Valley needs a Conditional Use Permit if the site sits within 250 feet of a church, hospital, school, or park, or within 250 feet of a residential zone. Occasional dances at churches, schools, or community centers are exempt but still need a Dance Permit.
Simi Valley Amplified Music CUP Rules
Significant RestrictionsSVMC § 9-44.040(B)-(C)
B. General standards for amplified music/dancing in all applicable zoning districts. Establishments requesting amplified music and/or dancing on a permanent basis, as defined in Article 8 (Glossary), shall be required to obtain a Conditional Use Permit (CUP) in compliance with Section 9-52.070 (Conditional Use Permits), if the following requirements are met:1.The amplified music/dancing site is...
Decibel Limits
Development within Simi Valley's Mixed-Use (MU) Overlay District must meet numeric noise standards under SVMC Section 9-44.105(D)(12): 63 dB Ldn outdoors and 45 dB Ldn indoors. Projects meet those limits with minimum Sound Transmission Class ratings and an acoustical engineer's report, and commercial uses inside a mixed-use building cannot operate between midnight and 6 a.m. without a Conditional Use Permit.
Simi Valley Mixed-Use Overlay Noise Limits
Some RestrictionsSimi Valley Municipal Code § 9-44.105(D)(12)(a)
12.Noise/vibration.a.The City noise standards are 63db Ldn in outdoor living areas and 45db Ldn in interior living areas. To comply with these standards, all new projects or additions to existing projects must meet the minimum Sound Transmission Class (STC) 50 rating set forth in the California Building Code between residential units in the same building and the minimum STC 60 rating between re...
Vehicle Noise
Simi Valley makes it a public nuisance to race an engine or bring a vehicle to a sudden, tire-screeching stop that produces unreasonably loud noise, at any hour of the day, under Municipal Code § 5-16.02(g). Violators face a misdemeanor charge for each day the conduct continues.
Simi Valley Vehicle Racing and Tire Noise Ban
Some RestrictionsSimi Valley Municipal Code § 5-16.02(g), (k)
The following acts are hereby expressly declared to be nuisances, and any person maintaining or permitting such nuisances, or any of them, to be maintained or to exist in or on his premises, whether as owner, lessee, or otherwise, shall be deemed guilty of a misdemeanor for each day during which such nuisance shall be permitted to be continued: ... (g)Motor vehicles. The racing of any motor veh...
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