Every Level 2 EV charger install in California requires a permit. Skipping it is more common than people think — and more expensive than people realize when the home sells or the insurance is reviewed. Here's exactly how the process works in Sonoma County.
What the permit covers
The permit confirms three things: the new circuit is sized correctly for the charger and panel, it's installed to current California Electrical Code, and a certified inspector has physically verified the work. That third point — the independent verification — is the value.
What inspectors check
Permit inspectors look at the things most likely to be missed:
- Conductor and breaker sizing for continuous load (charger amps × 1.25)
- GFCI protection on plug-in (NEMA 14-50) installs
- Bonding and grounding at the panel and charger
- Conduit fill, support, and weather rating where applicable
- Working clearances and labeling at the panel
Why homeowners skip permits — and why it backfires
Some installers offer a price 'without permit' that looks attractive. The risk shows up later: insurance claims tied to unpermitted electrical work get denied, lenders flag unpermitted improvements at refinance, and home inspectors catch it at sale. The 'savings' rarely cover the eventual cost to permit retroactively.
How long the Sonoma County permit process takes
Most jurisdictions issue an electrical permit within a day for an EV charger. Inspection is usually within a week of completion. Total impact on your timeline: typically 1–2 weeks from quote to final, mostly waiting on the inspector.
What we handle
We pull the permit, install to current code, request inspection, and meet the inspector. If the inspector flags anything, we correct it and reinspect at no charge. You see the final inspection card when we're done.
Sonoma County · Since 1990
Talk to a licensed electrician about your permitted EV charger installation.
Free estimates, same-day response, and a real person on the phone — usually the owner.


