10 county-level rules, plus city-specific rules for 1 city in Shasta County, California.
Verified from official government sources
Unincorporated Shasta County has no classic curfew-style quiet-hours ordinance. Instead the General Plan Noise Element sets time-based exterior noise limits that tighten at night (10 p.m.-7 a.m.), and everyday late-night disturbances are handled by the Sheriff under California law.
Shasta County General Plan Noise Element, Section 5.11 (Table 5.11-6), as quoted in Fountain Wind Project DEIR Appendix G filed at California Energy Commission Docket 23-OPT-01
The Shasta County General Plan Noise Element identifies daytime and nighttime noise level standards for new projects affected by or including non-transportation sources in Table 5.11-6. A significant noise impact would be identified if project stationary sources would result in a noise level that would exceed 55 dBA during daytime hours (7:00 a.m. to 10:00 p.m.) and 50 dBA during nighttime hour...
Unincorporated Shasta County has no county-wide ordinance fixing construction hours. Construction timing is controlled project-by-project through use permits and environmental review; the County's only timing-related grading rule is a seasonal wet-weather window, not a noise limit.
Shasta County General Plan Noise Element, Section 5.11 (Construction Noise discussion)
Noise from construction activities is generated by two primary sources: 1) the transport of workers and equipment to construction sites, and 2) the noise related to active construction equipment. These noise sources can be a nuisance to local residents and businesses or unbearable to sensitive receptors. [Mitigation is applied through conditions of approval consistent with the General Plan Nois...
Shasta County Code Section 6.04.050 makes it unlawful for an animal owner to allow their animal to disturb the peace by loud and unreasonable howling, barking, or other loud and unreasonable noise. Complaints go to the Sheriff's Animal Regulation Unit.
Shasta County Code Sec. 6.04.050 (Animal regulations)
It is unlawful for the owner or possessor of any animal to allow said animal to disturb the peace by loud and unreasonable howling, barking, or by the making of other loud and unreasonable noise. This subsection does not apply to livestock on the open range or to domestic cats.
Unincorporated Shasta County has no specific leaf-blower ordinance. Leaf-blower noise falls under the General Plan's general exterior noise standards, and a disturbing use is addressed by the Sheriff under California's loud-noise law and the County nuisance code.
Unincorporated Shasta County has no stand-alone amplified-music ordinance. Amplified sound is regulated through the General Plan exterior noise standards, which are lowered 5 dB for music and speech; disturbances are enforced by the Sheriff under California law and the County nuisance code.
California Penal Code Section 415(2)
Any person who maliciously and willfully disturbs another person by loud and unreasonable noise [is guilty of disturbing the peace and] shall be punished by imprisonment in the county jail for a period of not more than 90 days, a fine of not more than four hundred dollars ($400), or both such imprisonment and fine.
Aircraft flight operations are regulated by the FAA, not Shasta County. The County manages aircraft noise indirectly by guiding compatible land uses around airports such as Redding Municipal and Benton Airfield through its General Plan, and cannot set limits on aircraft in flight.
Shasta County General Plan Noise Element (Section 5.11, Table 5.11-7); Shasta County Airport Land Use Commission
The Shasta County Airport Land Use Board of Administrative Review (ALUBAR) reviews land use proposals to determine whether they are consistent with the Comprehensive Land Use Plan (CLUP) for the Redding Municipal Airport. The Shasta County General Plan Noise Element identifies the acceptability of transportation noise exposure levels for different land uses in Table 5.11-7. Exterior noise level...
Industrial and other non-transportation noise sources in unincorporated Shasta County must meet the General Plan exterior noise standards - 55 dB hourly Leq daytime and 50 dB at night at the property line of a noise-sensitive use - applied to new projects through planning review and CEQA.
Shasta County's numeric noise limits come from the General Plan Noise Element, not a general decibel ordinance. For new development with non-transportation noise, the hourly Leq limit at the property line is 55 dB daytime and 50 dB at night, lowered 5 dB for music, speech, tones, or impulsive sounds.
Unincorporated Shasta County has no stand-alone outdoor-music ordinance. Outdoor music is governed by the General Plan exterior noise standards (lowered 5 dB for music), with larger events controlled through land-use approval and conditions, and disturbances handled by the Sheriff and the County nuisance code.
Vehicle noise in unincorporated Shasta County is primarily controlled through the California Vehicle Code rather than a separate county ordinance. The Sheriff and California Highway Patrol enforce state exhaust-system and muffler requirements on county roads.
1 cities in Shasta County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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