Solar PV

Residential Solar & Battery Backup systems are available for over-the-counter by walk-in Tuesday-Thursday between 8:30am-3:30pm currently. 

Commercial Solar systems are available for submittal  Monday-Thursday between 8:30am-3:30pm currently. 

When you come into our office have the following information available: 

*Address of project/s so we can verify they are in City limits and not the County

*Confirm you have an active City of Napa Business license as no permits can be issued without.


For your appointment please have the following:

*1 application per project

* 2 full sets of plans per project that include : Title Page, Site Plan, Structural Calculations, Single Line Electrical, Attachment Details, and Footing Details (Ground Mounted Systems) as well as copies of cut sheets (for all equipment being installed)

*A physical copy or one on an electronic device of the signed contract with the home owner

*All revisions require the original job approved set of plans with the new plans




  1. Building Division

    Physical Address
    1600 First Street
    Napa, CA 94559

    Phone: 707-257-9540


  2. Inspection Line

    Phone: 707-257-1063 (Automated)

  3. Norm Boeger

    Senior Building Inspector

  4. Vincent Caballero

    Building Inspector II

  5. Bill Collins

    Building Inspector II

  6. Terri Ritchie

    Permit Technician

  7. Anthony Vergara

    Building Inspector I

  8. Sophia Valenti

    Permit Technician

  9. Jason Williams

    Chief Building Official

  10. Julia Corpus

    Office Assistant I