County government
Planning, Building & Environmental Services
Building permits for unincorporated Napa County. Properties in cities and towns use their own jurisdictions.
Napa Planning applications and submittal documents (opens in a new tab)Official instructions
Planning’s document directory includes use permits, modifications, parcel/subdivision maps and other project resources. Staff can help identify the correct application; no fee amount or PDF contents are inferred.
Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.
Source & saved evidence
Napa County · Napa County planning application instructions and forms (opens in a new tab)
Planning Documents | Napa County, CA — service-planning-application-06055
The Planning Division has a number of applications, submittal forms and informational documents to help you with your planning and development needs. If you can’t find what you’re looking for using the links below, or are not sure exactly what you need, the Planning Division staff is available to help. If you have questions about land use, zoning, allowed uses or permitting, use the informational links provided, or contact us for assistance.
Agent source review: October 26, 2026 · Snapshot c43e2742f0870b87