Noise Ordinances in Yolo County, CA (2026)
6 county-level rules, plus city-specific rules for 1 city in Yolo County, California.
Verified from official government sources
Quiet Hours
Yolo County does not set a single residential quiet-hours window in its County Code. Instead, the Zoning Code (Title 8) enforces decibel-based noise limits at the property line, with a stricter nighttime cap from 6 p.m. to 6 a.m., and California Penal Code section 415 applies to loud and unreasonable noise at any hour.
No general quiet-hours window; Penal Code 415 fallback
Some RestrictionsCalifornia 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, punishable by imprisonment in the county jail for not more than 90 days, a fine of not more than four hundred dollars ($400), or both.
Construction Hours
Yolo County does not impose a single countywide construction-hour curfew. Routine residential and farm construction is governed by the Title 8 property-line decibel limits (80 dBA Leq day / 65 dBA Leq night), and individual building permits, use permits, and oil-and-gas drilling permits set project-specific noise and hour conditions.
No general construction-hour cap; project-specific conditions apply
Significant RestrictionsYolo County Code Sec. 8-2.306(q)(4)(i) (Oil and Gas Well Drilling Operations), 2014 Updated Zoning Code (Title 8 Land Development), p. 93
(i) Except for drill stem testing and emergency procedures, no drilling operation shall result in an ambient noise level in excess of 60 decibels (measured as an LDN average), measured at the outside of the nearest residence at the bedroom window closest to the drilling site; unless, however, it can be demonstrated that the ambient noise level at such location prior to the commencement of the d...
Barking Dogs
Yolo County Code section 6-1.403 (Title 6, Animal Control) makes it unlawful for an owner to permit any animal except a domestic cat to 'habitually make a loud noise' or otherwise constitute a public nuisance. Enforcement is by Yolo County Animal Services through a written-log complaint process leading to citation and a court appearance.
Sec. 6-1.403 prohibits habitual loud animal noise (cats exempt)
Some RestrictionsYolo County Code Sec. 6-1.403 (Noise), Animal Control Law of the County of Yolo (Ord. 703, eff. May 22, 1974)
No owner shall permit his animal, except a domestic cat, habitually to make a loud noise or act in such a manner as to constitute a public nuisance.
Amplified Music & Outdoor Sound
Amplified music in unincorporated Yolo County is controlled mainly through the Zoning Code's general 80/65 dBA property-line limits and through Site Plan Review or Use Permit conditions on small and large special-event facilities, which require a higher-level permit when the project involves 'noise generating activities after 10 p.m.'
Use-permit conditions and 10 p.m. cutoff for special events
Some RestrictionsYolo County Code Sec. 8-2.306(k)(4)-(5) (Special Event Facilities), 2014 Updated Zoning Code (Title 8 Land Development), p. 90
(4) Small special event facilities are allowed with the issuance of a Site Plan Review in the A-N and A-X agricultural zones and in the RR-5 residential zone. Small special event facilities are allowed with a Minor Use Permit in the A-R zone and in the RR-1 and R-L residential zones. Small special events facilities are allowed by right with building permits only in the A-C and A-I zones, provid...
Aircraft Noise
Aircraft noise around Yolo County Airport (KDWA, Davis-Woodland-Winters), University Airport (KEDU), and the Watts-Woodland strip is regulated under California Code of Regulations Title 21 section 5012, which sets a 65 dB CNEL standard for areas of incompatible land use, and through the SACOG Airport Land Use Compatibility Plan adopted under California Public Utilities Code section 21670 et seq.
State 65 dB CNEL standard at Yolo County Airport (KDWA)
Some RestrictionsCalifornia Code of Regulations Title 21, Section 5012 (Airport Noise Standard)
The level of noise acceptable to a reasonable person residing in the vicinity of an airport is established as a community noise equivalent level (CNEL) value of 65 dB. This criterion level has been chosen for reasonable persons residing in urban residential areas where houses are of typical California construction and may have windows partially open. It has been selected with reference to speec...
Decibel Limits
Cannabis operations in unincorporated Yolo County face fixed decibel ceilings: 80 dBA at the property line by day, 65 dBA at night, and never more than 60 dBA CNEL at any nearby residence. These are hard numeric limits, not case-by-case conditions.
Cannabis Facility Noise Limits in Yolo County
Some RestrictionsYolo County Code of Ordinances § 8-2.1408(BB)
BB. Noise control. Permittees shall control interior and exterior noise in compliance with the Noise chapter of the Health and Safety Element of the County General Plan including Figure HS-7, Noise Compatibility Guidelines, and Policy HS-7.1 and HS-7.4. The following noise restrictions shall apply: 1. From 6:00 a.m. to 6:00 p.m., noise levels shall not exceed an average noise level equivalent (...
Noise Ordinances by City in Yolo County
1 cities in Yolo County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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