Online Permit Center (OPC)
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
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.
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.
Next day inspection services for building, electrical, mechanical, plumbing, disabled access, energy efficiency, and monitoring of the inspection process.
Investigation of citizen complaints of County Code violations, through inspection, notification, communication and issuance of citations.