Using a Contractor  

Contractor's State Licensing Board: 

Contractors are licensed through the California Contractor's State License Board.  

Verify if a contractor is licensed and up-to-date on their Workman's Compensation Insurance and more by checking their license CLSB Check a License

General Advice About Using Contractors:

  • Hire only state-licensed contractors.
  • Check a contractor's license number online or by calling 1 800-321-2752.
  • Get at least three bids. 
  • Get three references from each bidder and review past work in person. 
  • Make sure all project expectations are in writing and only sign the contract if you completely understand the terms. 
  • Confirm that the contractor has workers' compensation insurance for employees or if exempt does not have employees that will be on your job site. 
  • Never pay more than 10% down or $1,000, whichever is less. Don't pay in cash
  • Don't let payments get ahead of the work.
  • Keep a job file of all papers relating to your project, including all payments.
  • Don't make the final payment until you're satisfied with the job and the permit is finaled.


  1. Building Division

    Physical Address
    1600 First Street
    Napa, CA 94559


    Phone: 707-257-9540

  2. Norm Boeger

    Building Inspector

  3. Vincent Caballero

    Building Inspector

  4. Bill Collins

    Building Inspector

  5. Terri Ritchie

    Permit Technician

  6. Anthony Vergara

    Building Inspector

  7. Sophia Valenti

    Permit Technician

  8. Jason Williams

    Chief Building Official