Noise Ordinances in Norwalk, CA (2026)
4 verified noise ordinances for Norwalk, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Construction Hours
Norwalk confines building erection, demolition, alteration, construction and repair work to 7:00 a.m. through 6:00 p.m. or sunset, whichever is later, under Section 9.04.150(E), with off-hours work allowed only under a short-term emergency permit from the Building Official.
Norwalk Construction Noise Hours Limit
Some RestrictionsNorwalk, CA, Municipal Code § 9.04.150(E) (Particular acts: Construction or Repairing of Buildings)
E. Construction or Repairing of Buildings. The erection (including excavation), demolition, alteration, construction or repair of any building other than between the hours of 7:00 a.m. and 6:00 p.m. or sunset, whichever is later, except in the case of urgent necessity in the interest of public health and safety, and then only with a permit from the Building Official or Director of Community Dev...
Leaf Blower Rules
Norwalk regulates leaf blower use by time of day. California banned sale of new gas-powered small engines effective 2024 (AB 1346). Many cities impose additional local restrictions.
Norwalk Leaf Blower Rules
Some RestrictionsCal. AB 1346 (2021) - Small Off-Road Engines (Gas Leaf Blower Phase-Out)
Existing law imposes various limitations on the emissions of air contaminants for the control of air pollution from vehicular and nonvehicular sources. Existing law assigns the responsibility for controlling vehicular sources of air pollution to the State Air Resources Board. This bill would require the state board, by July 1, 2022, consistent with federal law, to adopt cost-effective and techn...
Amplified Music & Outdoor Sound
Norwalk bars operating any radio, phonograph, musical instrument or similar device at any time in a way that disturbs neighboring residents' peace and comfort, under Section 9.04.150(A), and separately requires a City permit before broadcasting sound from a loudspeaker or amplifier onto public streets for advertising, under Section 9.04.150(C).
Norwalk Amplified Sound Device Rule
Significant RestrictionsNorwalk, CA, Municipal Code § 9.04.150(A), (C) (Particular acts: radios/sound devices; loudspeakers and amplifiers for advertising)
A. Radios, Television Sets and Similar Devices. 1. Use Restricted. It is unlawful for any person within the City to use or operate any radio receiving set, musical instrument, phonograph, television set, or other machine or device for the producing or reproducing of sound at any time in such a manner as to produce noise levels on residential land which would disturb the peace, quiet and comfort...
Vehicle Noise
Norwalk requires engine and vehicle exhaust to pass through a muffler that "effectively prevents loud or explosive noises" under Section 9.04.150(D), and separately bars racing a vehicle's motor or needlessly gunning a sudden start or stop under Section 9.04.150(I).
Norwalk Vehicle Exhaust and Racing Noise Rule
Some RestrictionsNorwalk, CA, Municipal Code § 9.04.150(D), (I) (Particular acts: Exhausts; Motor Vehicles)
D. Exhausts. The discharge into the open air of the exhaust of any steam engine, stationary internal combustion engine, motor boat or motor vehicle, except through a muffler or other device which effectively prevents loud or explosive noises; ... I. Motor Vehicles. Racing the motor of any motor vehicle or needlessly bringing to a sudden start or stop any motor vehicle.
Looking for Los Angeles County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Norwalk city rules.
Noise Ordinances in Los Angeles County →