Napa County, CA Ordinances (2026)

Local rules and regulations for Napa County, California. Population: 138,019.

Verified from official government sources

Note: County ordinances apply to unincorporated areas of Napa County. If you live within an incorporated city, that city's own rules take precedence over county-level regulations. We have city-specific rules for Napa: check there if you live in that city. All other areas in Napa County fall under the county rules shown below.

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Select a topic to see Napa County's rules on that subject.

Noise Ordinances

Short-Term Rentals

Fire Regulations

Cities in Napa County

These cities are located within Napa County and may have their own ordinances.

NapaCA

Pop. 79,246

Unincorporated Communities

These communities are in unincorporated Napa County. County ordinances apply directly to these areas.

AngwinPop. 2,633 Deer ParkPop. 1,294 Silverado ResortPop. 948 Moskowite CornerPop. 237 RutherfordPop. 115 OakvillePop. 49

Data Sources

Ordinance data for Napa County is sourced from the following official government references. Click any topic above for detailed citations.

Show all 87 sources

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Napa County, CA Ordinances (2026)

Browse Ordinances by Topic

Noise Ordinances

Short-Term Rentals

Fire Regulations

Cities in Napa County

Unincorporated Communities

Data Sources

Parking Rules

Fence Regulations

Animal Ordinances

Landscaping Rules

Home Business

Accessory Structures

Environmental Rules

Rental Property Rules

Curfew Laws