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Solar panels and EV chargers in Walnut

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

Ask about solar panels and EV chargers in Walnut See coverage

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

What Walnut's code says

Walnut code What Walnut's code adds
EV charger permit
  • Electronic submittal and electronic signatures are accepted.
    Applies: Applies to EV charging stations.
    § 2.42.040 · code text
    A permit application that satisfies the information requirements in the City’s adopted checklist shall be deemed complete and be promptly processed.
  • The Building Official approves the application and issues all needed permits.
    Applies: When the application meets the City-adopted checklist and all laws and health and safety standards.
    § 2.42.040 · code text
    Upon confirmation by the Building Official that the permit application and supporting documents meets the requirements of the City-adopted checklist, and is consistent with all applicable laws and health and safety standards, the Building Official shall, consistent with Government Code Section 65850.7, approve the application and issue all necessary permits.
Solar permit process
  • Administrative, nondiscretionary review; permit issued when a complete application meets checklist and standard plan; only 1 inspection when applicable.
    Applies: Applies to small residential rooftop solar systems.
    § 2.36.050 · code text
    The City of Walnut building and safety division shall adopt an administrative, nondiscretionary review process to expedite approval of small residential rooftop solar energy systems.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

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

Walnut's code: Administrative, nondiscretionary review; permit issued when a complete application meets checklist and standard plan; only 1 inspection when applicable. (Applies to small residential rooftop solar systems.) (§ 2.36.050); Electronic submittal and electronic signatures are accepted. (Applies to EV charging stations.) (§ 2.42.040).

General information, not legal advice.

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

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Walnut Municipal Code — full text