Building Division

Online Permit Center (OPC)

Your place to find permits and application status.

Notice - Deferred Submittals

Effective November 1, 2017, Napa County Building Department will no longer accept Deferred Submittals without prior approval by the Chief Building Official on all projects. This includes Truss (Floor and Roof) Calculation Packages. Please adjust your initial building plan submittals to include all of the required documents to submit a complete application package. Incomplete application submittal packages will not be accepted.

Fire Related Information

If you have been affected by the recent fires this link will direct you to all fire related information.

Building & Development

If you have questions about permitting, building codes, construction violations, or general building safety, please use the informational links provided, visit us at our public counter, or give us a call.

  1. Services Areas
  2. Programs & Quick Links
  3. Other Department Information

Documents, Forms & Information

Information and technical guidance on all types of projects via Division handouts, by phone, or in person at the Public Counter.

Permit Process & Application

Building and construction permitting process, plan submittal, plan review, permit issuance, document retention, development approvals required by others, and scheduling of inspections.

Note: Plan Sets are accepted with just three copies, but no larger than 24 inches by 36 inches.

Construction Inspection

Next day inspection services for building, electrical, mechanical, plumbing, disabled access, energy efficiency, and monitoring of the inspection process.

Code Enforcement

Investigation of citizen complaints of County Code violations, through inspection, notification, communication and issuance of citations.