Whole-House Rewiring · San Jose, California

Whole-House Rewiring in San Jose, CA

Replacing aluminum, knob-and-tube, or cloth-insulated wiring with modern copper and code-current GFCI/AFCI protection — often without opening every wall.

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CSLB #1145945 PG&E Handled Upfront Pricing

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Whole-House Rewiring for San Jose Homes

Rewiring in San Jose almost always traces back to the age of the neighborhood. The Victorians and early bungalows around Naglee Park and the Rose Garden are the classic candidates, many still carry knob-and-tube or cloth-insulated wiring from the 1900s through the 1930s, with no ground and brittle insulation that crumbles when it's disturbed. The 1950s-70s ranches in Willow Glen, Cambrian, and Blossom Valley bring a different issue: aluminum branch wiring that loosens and overheats at outlets and switches over time. Both are real fire risks, and both are things home inspectors and insurers in San Jose flag during a sale. The good news is that a full rewire often isn't the only answer. For aluminum, proper COPALUM or AlumiConn pigtailing at the connections is sometimes the safer, less invasive fix, and we'll say so when it applies rather than ripping open every wall. When a true rewire is warranted, we fish modern copper through walls and floors to limit drywall damage, which matters in San Jose's older homes where the plaster and trim are part of the home's character. We add GFCI and AFCI protection to current code, replace the fuse box or undersized panel with a 200-amp service, and hand you documentation your insurer can actually use.

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 rewire requires a permit and electrical inspection from the City of San Jose Building Division, and replacing the fuse box or panel pulls PG&E into the disconnect and reconnect. The neighborhood drives the scope: pre-war Naglee Park and Rose Garden homes tend toward knob-and-tube and cloth wiring, while mid-century Willow Glen, Cambrian, and Blossom Valley ranches more often have aluminum branch circuits, where pigtailing can beat a full rewire. Plaster walls and original trim in the older stock make minimally invasive fishing important, and insurers here frequently want written proof the old wiring is gone.

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 knob-and-tube wiring replacement.

What's Included

Whole-House Rewiring in San Jose

Replacement of knob-and-tube, aluminum, or cloth-insulated wiring

Modern copper branch circuits with GFCI/AFCI protection

Fuse box or undersized panel replaced with a 200A breaker panel

Fishing wire through walls to minimize drywall damage

City permit pulled and electrical inspection closed out

Insurance-ready documentation of the completed work

How We Handle Whole-House Rewiring in San Jose

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

Walkthrough

We assess the existing wiring, identify access points, and scope the work with a fixed-price quote.

Permit

We pull the city permit and plan the rewire to keep you in the home where possible.

Rewire

Old wiring replaced with copper, GFCI/AFCI added, panel modernized, drywall patched.

Inspection

City inspection passed and documented for your insurer and records.

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

Whole-House Rewiring in San Jose — FAQ

Does my San Jose home really need a full rewire, or is there a cheaper fix?

It depends on what's in the walls. Aluminum branch wiring in many Willow Glen and Cambrian ranches can often be made safe with proper pigtailing at the connections rather than a full rewire, which is far less invasive. Knob-and-tube and degraded cloth wiring usually do warrant replacement. We assess it first and recommend the smallest fix that actually makes the home safe.

I'm buying an older home in Naglee Park or the Rose Garden. Should I rewire?

Get it assessed before you decide. Many homes in these neighborhoods date to the early 1900s and still have knob-and-tube or cloth-insulated wiring, which insurers and lenders increasingly flag. We can inspect during your contingency period and give you a clear scope and quote so you can negotiate or plan with real numbers instead of guesses.

Will rewiring tear up my walls and original plaster?

We work hard to avoid that, especially in San Jose's older homes where the plaster and trim are part of the value. We fish copper through existing wall and floor cavities and use strategic access points to limit drywall and plaster damage, then patch what we do open. A full gut is rarely necessary.

Do I need a permit to rewire a house in San Jose?

Yes. Rewiring requires a permit and electrical inspection from the City of San Jose Building Division, and replacing the panel brings PG&E in for the service disconnect and reconnect. We pull the permit, do the inspections, and give you documentation of the completed work that your home insurer can rely on.

Why does my insurer care about knob-and-tube or aluminum wiring in San Jose?

Both wiring types have a track record of fire risk, so a growing number of insurers either won't write a policy or will charge more until it's addressed. After a rewire or a documented pigtailing job, we give you inspection sign-off and written records you can submit to satisfy the carrier.