A Level 2 charger in a Bay Area garage is an electrical job first and a permit second. State law makes cities offer a streamlined EV charger permit limited to health and safety review, but the circuit still has to fit the panel. San Francisco's building department notes that existing circuits are rarely EV ready outside recently built homes, and a load calculation decides whether the panel can take a charger or needs an upgrade.
In a house, Level 2 chargers run on 208 or 240 volts. San Francisco's permitting checklist lists low-power Level 2 units of 3.3 to 3.8 kW on a 20-amp circuit for single-family and multi-unit homes, and typical Level 2 units of 5.7 to 19.2 kW on circuits of 40 to 100 amps. Berkeley's checklist cites the California Electrical Code rule that an EV charging outlet be supplied by its own branch circuit with no other outlets on it.
San Francisco allows only one shortcut past a load calculation: plugging a cord-connected charger into an already approved receptacle with enough ampacity for that charger. Every other installation needs one. A single Level 1 or Level 2 charger can go on an electrical trade permit when the electrician's calculation shows the existing panel has the ampacity for the new circuit and space for its breaker. If it does not, a building permit is required and a new panel may have to be installed.
When the panel cannot carry the charger, the job grows. In San Francisco, installing or modifying panelboards, a new electric service or the main service disconnect takes both a building permit and an electrical permit, reviewed by the department's mechanical and electrical plan reviewers, with most applications reviewable over the counter. The utility has its own approval for the grid connection, separate from the city permit.
A charger project puts an electrician inside the main panel. Palo Alto's utility names Federal Pacific Electric, Zinsco, Challenger, Pushmatic, GTE-Sylvania and some Schneider Electric models as older panels that may pose fire or shock hazards. If the house has one, replacing it is a separate decision from the charger, but it changes the permit and the schedule, so ask about it at the first visit.
A charger on an outside wall or a post by the driveway has to keep the car and cord on private property. Berkeley requires outdoor installations to show that the parked vehicle and every part of the charging station will stay out of the public right of way, meaning on or over the sidewalk, unless Public Works approves. San Francisco generally does not permit chargers in the public right of way either, apart from a curbside pilot in some locations.
CSLB's C-10 Electrical class covers placing, installing and connecting electrical wires, fixtures, appliances, raceways and conduits, which takes in a charger circuit, a subpanel and a panel replacement. San Francisco issues an electrical-only permit for a single home charger when a licensed contractor (C-10) registered with its building department files it. Plugging a charger into an existing approved outlet that already meets the maker's specifications needs no permit there; any new wiring is C-10 work. Look the number up at cslb.ca.gov and confirm C-10 is listed.
Palo Alto's utility notes that home panels are typically 100 or 200 amps, that a 200-amp panel is adequate in most cases, and that many fully electric homes can operate on 100 amps depending on usage and appliance choices. Before replacing a smaller panel for a charger, it points to alternatives: smart panels and circuit-sharing devices, a Level 1 charger on a standard outlet, or subpanels and tandem breakers where breaker space is short.
California's green building code now requires new one- and two-family houses and townhouses with attached private garages to have conduit capable of supporting a Level 2 charger. San Francisco also requires charging equipment and electrical capacity in new buildings and in alterations to residential off-street parking areas. A garage built before those rules usually needs a new circuit run from the panel, which is why San Francisco's building department says existing circuits are rarely EV ready.
Utility approval for a service change is a separate process from the city permit, and responsibilities vary by utility territory, so the state's permit streamlining guidance tells applicants to involve their utility early. Before a charger can be used it must pass final inspection by both the city and the utility, and the guidance recommends coordinating the two to avoid delays and repeat visits. Which utility that is depends on the city, since PG&E does not serve every Bay Area home.
San Francisco's Information Sheet E-02 sorts home charger work into three tiers. A charger plugged into a previously approved receptacle that meets the maker's specifications needs no permit. A charger in a single-family or two-family house, on a panel with room for it, gets an electrical trade permit, issued instantly when a registered electrical contractor files online. Panel, service or disconnect changes need a building permit as well. Because state law limits the review to health and safety, charger-only permits are not referred to the Planning Department.
In Palo Alto the utility is the city itself, so a panel or service upgrade for a charger means following the steps set by City of Palo Alto Utilities Engineering, including an application for the service upgrade and possibly a site visit when overhead or underground service lines change. A building permit from Development Services is required for most electrical projects, and the city's placement standard puts the upgraded panel between 48 and 75 inches above grade.
Berkeley's EV charging checklist does not require a site plan or signed electrical plans for a charger at a single-family house, duplex or ADU, and the permit can be filed through Permits Online, by email or at the Permit Service Center. In the City of Alameda, homes are served by Alameda Municipal Power rather than PG&E, so a service upgrade there is coordinated with that community-owned utility.
AB 1236, in Government Code section 65850.7, requires every California city and county to adopt a streamlined permitting ordinance and checklist for EV charging stations and to limit review to health and safety. AB 970, section 65850.71, adds deadlines: for 1 to 25 chargers at a site, an application is deemed complete if the city neither accepts it nor issues a deficiency notice within 5 business days, and deemed approved 20 business days after that unless specific conditions apply.
California Civil Code section 4745 limits a homeowner association's ability to prohibit or restrict a member's installation of an EV charging station, which matters for Bay Area condos and townhouses with assigned garage spaces. Civil Code section 1947.6 gives residential tenants a right to install a charger, with landlords required to grant permission under specified circumstances. San Francisco notes that a charger for an assigned parking space in private housing does not trigger accessible charging requirements.
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Not if the receptacle and circuit were previously approved and meet the charger maker's specifications, for example a 240-volt receptacle with 40-amp protection for a charger rated for it. San Francisco adds that existing circuits are rarely EV ready outside recently built homes, so have an electrician confirm the circuit first. A new circuit needs an electrical permit.
Not automatically. The load calculation decides it. Palo Alto's utility notes that many fully electric homes can run on a 100-amp panel, and lists smart panels, circuit sharing and lower-power charging as ways to avoid an upgrade. If the calculation shows the panel lacks ampacity or breaker space, San Francisco requires a building permit and a new panel may be needed.
California Civil Code section 4745 limits an association's ability to prohibit or restrict a member from installing an EV charging station. What an association may still require is spelled out in that section, so read it alongside your association's rules before the electrician starts and before you sign anything.
Under AB 970, for up to 25 chargers at one site, the city has 5 business days to find the application complete or send a deficiency notice, and the application is deemed approved 20 business days after it is complete unless the city makes certain findings or an appeal is filed. San Francisco issues electrical-only charger permits instantly to registered contractors filing online.
Likely partly. California requires new one- and two-family houses and townhouses with attached private garages to include conduit capable of supporting a Level 2 charger. That is a pathway, not a finished circuit, so an electrician still has to confirm the panel capacity, run or finish the circuit and install the charger under a permit.
Usually not. San Francisco generally does not permit EV chargers and their equipment in the public right of way, apart from a curbside pilot in some locations, and Berkeley requires an outdoor charger and the parked car to stay off the sidewalk unless Public Works approves. Plan the charger for a garage or driveway.
Checked against these public sources in September 2026. Codes and programs change: confirm permit rules with your city's building department and a license on the CSLB website before work starts.
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