Panel upgrades & sub-panels in South Orange County
The panel is the heart of the house. Most of them here are due a checkup.
South Orange County was largely built in the 1970s and 80s, and a lot of it still runs on its original panel. Some of those are simply old. Some — Zinsco, Federal Pacific and their relatives — are brands that insurers and home inspectors now flag on sight, because their breakers have a documented habit of not tripping when they should.
A service upgrade from 100A to 200A rewires the head end of the house: new panel, new breakers, new grounding, coordinated with the utility and inspected. It is the foundation every other upgrade stands on — the EV charger, the ADU, the kitchen remodel with the 48-inch range.
Sub-panels are the smaller, smarter cousin: a panel at the garage, shop or ADU that shortens every circuit run and leaves room to grow. Where a full upgrade is not needed, a sub-panel is often the honest recommendation.
What this covers
- 100A to 200A service upgrades, utility coordination included
- Replacement of flagged panels — Zinsco, Federal Pacific and similar
- Sub-panels for garages, workshops, ADUs and additions
- Whole-panel rebreakering with AFCI/GFCI where code requires it
- Grounding and bonding corrections
- Panel labeling that a stranger could read — every circuit, legibly
Get a straight answer
A photo by text is the fastest way to a real number. Small jobs get priced the same day.
CSLB #354550 · C-10 Electrical · Licensed since 1978
Questions people ask
How do I know if my panel needs replacing?
Age and brand are the first tells. If it is original to a 1970s house, or the label says Zinsco or Federal Pacific, it is worth a look. Warm breakers, rust, a burning smell or breakers that trip constantly (or never) move it from "worth a look" to "soon."
Does a panel upgrade require a permit?
Always. It also involves the utility disconnecting and reconnecting service. Both are handled as part of the job — that coordination is most of what you are paying for beyond the hardware.
Do I need 200A for an EV charger?
Not necessarily. A load calculation says what your service can actually carry; power-sharing and load management stretch a 100A panel further than most people expect. The upgrade is quoted when the math requires it, not before.
Towns that call about this the most
Other services
Send a photo. Get a real answer.
Text is fastest. Call if it is urgent, if you smell something burning, or if a breaker will not reset.
CSLB #354550 · C-10 Electrical · Licensed since 1978 · $25,000 bonded