Building Division

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ATTENTION!!  New Submittal Hours. 

Submittals, re-submittals and alteration hours are now:
 Monday - Friday 9-11:30am and 1-3:30pm

Standard and quick building permit submittals are now being handled in the office at the permit counter.  We no longer accept these applications thru email.  Incomplete submittals will not be accepted.  

Express permits will still be handled digitally.  Please see the Express Submittal Page for submittal instructions.

Need help navigating the Online Permit Center? 

Check our our FAQ section with some great how-to documents that will step you thru the processes.


Notice regarding current processing timelinesDue to recent staff shortages and increased applications, the Building Division is experiencing delays in permit processing.  We have brought in additional outside consultant services and staff to minimize any delays.  We thank you for your patience and understanding at this time and look forward to returning to our normal level of service as soon as possible.  

Please be aware due to the demand and workflow at this time emails and phone calls are taking 1-2 business days for a response.  We thank you in advance for your patience and ask that our clients allow us to reply to your email or phone call as calling or emailing multiple times adds to the backlog and prevents other clients from receiving our services in a timely manner.


NEW! NOTICE: New Building Code Requirements go into effect June 17, 2021 to improve fire protection for all new residential construction and rebuilds. Please refer to Ordinance No. 1468 and Resolution 2021-50 for details.


Automated Inspection Scheduling System! We have a new system for scheduling your Building Inspections via phone, text, or online. To schedule an inspection online using our Online Permit Center ("OPC"), visit the OPC website. For phone or text, please refer to the Inspections and Select Text Scheduling Guide (Flier) and our handy Automated Inspection Scheduling System Tri-Fold Guide to keep handy in your car. Before you call in to the new automated scheduling system, please review the Guide, then call or text to schedule your inspection(s), and make sure you receive a confirmation for each type of inspection you are scheduling.

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, visit the Rebuilding After the Fire website.

Building & Development

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

Email Building Division

  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.