Accessory Dwelling Units

The ADU Center of Napa and Sonoma County provides homeowners who are interested in accessory dwelling units (ADUs) with tools and resources including an ADU Workbook, ADU Calculator, and spotlights of Napa and Sonoma County homeowners who have built ADUs.

  1. Vincent Caballero

    Building Inspector II

  2. Terri Ritchie

    Permit Technician

  3. Anthony Vergara

    Building Inspector I

  4. Sophia Valenti

    Permit Technician

  5. Jason Williams

    Chief Building Official

  6. Julia Corpus

    Permit Technician

  7. Trevor Slevin

    Building Plans Examiner

  8. Inspection Line

    Phone: 707-257-1063 (Automated)