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Solar panels and EV chargers in Napa

Napa's own rules on solar panels and EV chargers, with the code text for every value.

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Each rule below links to the section of the Napa Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Napa's code says

Napa code What Napa's code adds
EV charger permit
  • Expedited administrative review; the Building Official approves and issues all permits when the application meets the city checklist and requirements.
    Applies: EV charging stations.
    § 15.04.120 · code text
    the Building Official shall implement an expedited administrative permit review process for electric vehicle charging stations
  • Electronic submittal is allowed.
    Applies: Permit applications covered by this section.
    § 15.04.120 · code text
    the Building Official shall allow for electronic submittal of permit applications covered by this Section and associated supporting documentations.
Solar permit process
  • Permit issued for a complete application that meets the rules; 1 inspection, scheduled within 2 business days, 2-hour window.
    Applies: Small residential rooftop energy systems.
    § 15.42.060 · code text
    The Building Official shall issue a building permit or other nondiscretionary permit the same day for over-the-counter applications
  • Expedited permitting, with electronic submittal available.
    Applies: Small residential rooftop energy systems.
    § 15.42.050 · code text
    Electronic submittal of the required permit application and documents shall be made available to all small residential rooftop solar energy system permit applicants.
Review time
  • Same day for over-the-counter applications; 1 to 3 business days for electronic applications.
    Applies: Complete applications for small residential rooftop solar energy systems.
    § 15.42.060 · code text
    The Building Official shall issue a building permit or other nondiscretionary permit the same day for over-the-counter applications

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Do I need a permit for solar panels or an EV charger in Napa?

Napa's code: Permit issued for a complete application that meets the rules; 1 inspection, scheduled within 2 business days, 2-hour window. (Small residential rooftop energy systems.) (§ 15.42.060); Expedited administrative review; the Building Official approves and issues all permits when the application meets the city checklist and requirements. (EV charging stations.) (§ 15.04.120).

General information, not legal advice.

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Ask GoCodebook how Napa's solar panels and EV chargers rules apply to your situation and get an answer that cites the section.

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Napa Municipal Code — full text