Electrical Panel Upgrades · San Jose, California

Electrical Panel Upgrades in San Jose, CA

Upgrading an electrical panel — typically 100A to 200A — to add capacity for EV chargers, heat pumps, induction ranges, and modern loads, including Federal Pacific and Zinsco replacements.

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Electrical Panel Upgrades for San Jose Homes

San Jose is the largest city in the Bay Area, and that scale shows up in its panels. We see 1900s Victorians in Naglee Park and the Rose Garden still running the original fuse box or a 100-amp service, 1950s-70s ranches in Willow Glen, Cambrian, and Blossom Valley wired for a single-car-and-a-toaster era, and even mid-size homes in Almaden Valley and Evergreen that never got past 100 amps. The bigger problem in San Jose is what's actually in those panels: Federal Pacific Stab-Lok and Zinsco panels turn up constantly here, and both are documented fire hazards that can fail to trip under a real fault. They aren't a someday-upgrade — they're a now-upgrade. Layer on what today's San Jose household runs, an EV in the driveway, a heat pump replacing the old gas furnace, induction in the kitchen, a home office or two, and a 100-amp service simply runs out of room. Fox Electric upgrades these services to a modern 200-amp panel sized with a real load calculation, so there's headroom for whatever you add next instead of a second upgrade in three years. In a city this large and this varied, the right answer depends on your specific home, and that's where we start.

Permits & utility in San Jose

Electrical service for San Jose is provided by PG&E, and the electrical permit and inspection go through the local building department. We pull the permit and coordinate the PG&E service work as part of the job.

A San Jose panel upgrade runs through PG&E for the service disconnect and reconnect and through the City of San Jose Building Division for the permit and inspection, so the two have to be sequenced together. The wild card here is the panel brand: Federal Pacific and Zinsco show up so often in San Jose's mid-century stock that we treat finding one as urgent, not optional. Older Naglee Park and Rose Garden homes may hide knob-and-tube or cloth wiring behind the panel that's worth addressing at the same time, and hillside or larger-lot homes in Almaden and Silver Creek can have long meter-to-panel runs that change how the upgrade is planned.

Pricing depends on your home and scope — we give a free on-site estimate with a written, fixed price before any work starts. For typical Bay Area ranges, see our guide on what a panel upgrade costs in the bay area.

What's Included

Electrical Panel Upgrades in San Jose

Load calculation to size the new service correctly

New 200A main panel (Eaton, Square D, or Siemens) and meter coordination

Federal Pacific / Zinsco fire-risk panel replacement

Sub-panel additions for garages, ADUs, and EV circuits

City permit pulled and electrical inspection closed out

Every circuit labeled and the panel directory typed

How We Handle Electrical Panel Upgrades in San Jose

Straightforward, permitted, and clean — from your first call to final sign-off in San Jose.

Load Assessment

A licensed Fox electrician runs a load calculation and gives you a written fixed-price quote — no surprises.

Permit & Utility Scheduling

We pull the city electrical permit and schedule the service disconnect/reconnect with your utility.

Install Day

Power off, old panel out, new 200A service in, every circuit relabeled — usually one working day.

Inspection & Reconnect

City inspection passed, utility reconnects, and you keep the permit closeout for resale.

Recent Project

200A Panel Upgrade — San Jose200A Upgrade

A San Jose homeowner needed more capacity for an EV charger and a future heat pump, but the home was still on its original 100A service. We ran a load calculation, pulled the city permit, coordinated the PG&E service window, and installed a 200A panel — every circuit relabeled and the directory typed, powered back up the same day.

Before: Original 100A service, no room to grow
After: 200A panel sized for EV + heat pump headroom
Coordination: PG&E disconnect/reconnect + city inspection handled
Outcome: Passed inspection, permit closed out for resale

The Fox Difference

Why San Jose Chooses Fox Electric

Local to San Jose

Based in San Carlos — 25 min away. We know San Jose homes, PG&E coordination, and the local permitting.

Licensed & Insured

CSLB #1145945 — fully licensed C-10 contractor and bonded. Every job permitted and inspected to current code.

Permits & Utility Handled

We pull the San Jose permit, coordinate PG&E service work, and close out the inspection — you schedule one day, we do the rest.

5.0★ on Google

We earn the rating on every visit, not just the first.

Upfront, Fixed Pricing

Free on-site estimate with a written fixed-price quote before any work starts. No obligation, no surprises.

Same-Day Availability

We hold same-day slots open for San Jose homeowners when something can't wait.

Questions

Electrical Panel Upgrades in San Jose — FAQ

I have a Federal Pacific or Zinsco panel in my San Jose home. Is it really that urgent?

Yes. These panels are common in San Jose's 1950s-70s housing and both have a documented history of breakers that don't trip when they should, which is a fire risk. We don't try to repair or reuse them. Replacing one with a modern 200-amp panel is the single most worthwhile electrical upgrade most San Jose homeowners with these brands can make.

Does a panel upgrade in San Jose go through PG&E or the city?

Both, in sequence. PG&E handles the service disconnect and reconnect at the meter, and the City of San Jose Building Division issues the permit and does the inspection. We pull the permit, coordinate the PG&E window, and schedule the inspection so you don't have to chase either one.

My Willow Glen home still has 100 amps and I want an EV charger. Do I need 200?

Often yes, but we confirm it with a load calculation before quoting an upgrade. Some homes can carry a charger on the existing service with a load-management device, which is cheaper and faster. If you're also eyeing a heat pump or induction range, a 200-amp upgrade usually makes the next install plug-and-play, so we size it for what you're actually adding.

Will an older Rose Garden or Naglee Park home need rewiring along with the panel?

Sometimes. Many homes in these neighborhoods date to the 1940s and earlier and can have knob-and-tube, cloth-insulated, or aluminum wiring behind the original panel. We assess it during the load walkthrough and tell you honestly whether the panel upgrade stands alone or whether some wiring is worth addressing at the same time, without pushing a full rewire you don't need.

How long is my power off for a panel upgrade in San Jose?

Usually one working day. Power is off while we swap the panel and PG&E handles the disconnect and reconnect, then the city inspects before final re-energization. We schedule the PG&E window in advance so you can plan around a single day without power rather than guessing.