Attention Building Division Customers
The 2019 California Building Standards Code (California Code Regulations, Title 24) was published on July 1, 2019, with an effective date of January 1, 2020.
As of January 1, 2020, all applications for building permits will follow the 2019 California Building Code (CBC) (2019 Title 24 Code of Regulations)
For new submittals: Applicants will not be able to submit any documents that reference previous building codes (2016 CBC, etc.) Your submittal will only be accepted if it referenced the 2019 Codes.
Resubmittals & Revisions
For resubmittals on permit applications (not yet issued) submitted in 2019 or prior, follow the code in effect at the time of original submittal.
For revisions on all issued permits effective January 1, 2020 please reference the code in effect at the time of original submittal.
Online Permit Center (OPC) - Check Status of Your Permit
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, view 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.