My Building Department | Napa County, California building department and planning division. Napa County building permits.

Napa County Building Department

Address: 1195 Third Street, Suite 210, Napa, CA 94559
Planning Phone: (707) 253-4417
Building Phone: (707) 253-4416
Planning Department: Napa County Planning / Zoning Division
Building Department: Napa County Building Division

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