Whole-Home Rewiring

Replacing knob-and-tube and cloth wiring — phased so you keep power while we work.

What Rewiring Means

Blue Moon Electrical’s whole home rewiring is staged so your house stays livable throughout the project. Whole-home rewiring replaces a house’s outdated wiring — typically knob-and-tube or aging cloth-insulated cable — with modern grounded copper run to current code. It’s a major job, but for older homes it’s often the difference between a system that’s a liability and one that’s safe, insurable, and able to carry modern loads. The aim is comprehensive: new circuits, new grounding, and a panel that matches, done in a planned sequence.

Signs a Home Needs Rewiring

Rewiring becomes the right call when a home still has knob-and-tube or cloth wiring, has no grounding at its outlets, trips its breakers constantly, or leans on a fuse box that simply can’t keep up. Frequent flickering, a faint burning smell, and insurers declining or surcharging coverage are strong signals too. These all point to a system that has reached its limits, where patching individual circuits one at a time no longer adds up.

Knob-and-tube or cloth-insulated wiring

Two-prong, ungrounded outlets throughout

Constant breaker trips or a struggling fuse box

Recurring flicker or a burning smell

An insurer that won't cover the old wiring

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How a Rewire Is Phased

Rewiring an occupied home doesn’t mean moving out for weeks. The work is staged room by room or circuit by circuit, so power stays on where you’re living while each section is replaced. New cable is fished through attics, basements, and existing cavities to limit wall openings, the access points are patched afterward, and the job is permitted and inspected in stages, with each part verified safe before the next one begins. Every whole home rewiring is inspected room by room before the job is signed off.

Survey the wiring and plan the phases

Run new grounded circuits section by section

Tie into an updated panel and ground

Inspect each stage, then patch access points

What Affects the Cost

As a starting point, whole-home rewiring runs from $18 per square foot. Your final price depends on the factors above: access, finishes, and whether a panel upgrade is bundled in.

For context, national cost guides put a full rewire at roughly $5 to $17 per square foot, or about $10,000 to $30,000 for a typical home, and copper wire prices have climbed for several straight quarters. Costs vary this much because every home’s access and code requirements are different, which is why we quote in person rather than off a flat rate.

Why Old Wiring Is a Risk

This isn’t just a Blue Moon opinion. Knob-and-tube wiring is one of the most common reasons a homeowner’s insurer flags a policy for non-renewal or a surcharge, since insurers see it as a documented fire risk. A rewire with modern grounded copper is usually enough to get full coverage back.

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Related Whole Home Rewiring Services

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Locate and repair damaged or faulty wiring.

Aluminum Wiring Replacement

Make 1960s-70s aluminum branch wiring safe.

Electrical Panel Repair

Fix hot panels, arcing, and corroded connections.

All Electrical Panels services

All electrical services

Where We Work

Blue Moon Electrical serves homes and businesses across California, Texas, Washington, and New Jersey.

What Our Customers Say

5.0 – Star rated across 6.3K+ reviews on Google and Yelp.

★★★★★

“Rewiring our historic home felt daunting, but Blue Moon’s crew worked cleanly and respectfully. Our home is now fully modern and safe.”

Gavin R.

★★★★★

“They replaced our entire home’s outdated knob-and-tube wiring smoothly with minimal disruption to our original plaster walls. Outstanding craftsmanship!”

Cassandra B.

★★★★★

“Blue Moon completed a whole home rewiring project for our mid-century house. Honest estimates, great communication, and immaculate final results.”

Trevor W.

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