Solar PV

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

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

Call us at 707-257-9540 to schedule your appointment and please have the following information ready:

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

* Name and phone number of person coming for the appointment

*Confirm you have an active City of Napa Business license or will get one prior to your appointment


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

    Building Inspector

  4. Vincent Caballero

    Building Inspector

  5. Bill Collins

    Building Inspector

  6. Terri Ritchie

    Permit Technician

  7. Anthony Vergara

    Building Inspector

  8. Sophia Valenti

    Permit Technician

  9. Jason Williams

    Chief Building Official