Replace century-old wiring. Local electricians in Brentwood with upfront pricing, same-day appointments and 24/7 emergency response.
Dab Electrical Services offers professional knob and tube wiring replacement in Brentwood, CA and Contra Costa County. Knob and tube wiring has no ground, brittle insulation and cannot be buried in insulation. We replace it with modern grounded wiring and help you satisfy insurance requirements. Our Brentwood electricians arrive on time, quote the price up front and complete most jobs the same day.
Our Brentwood team completes knob and tube wiring replacement for single-family homes, condos, apartments, offices, restaurants and retail stores. If you are in Brentwood or nearby Knightsen, Oakley, Discovery Bay, you are in our service area and same-day appointments are usually available.
Popular searches we serve: knob and tube wiring replacement Brentwood, knob and tube removal Brentwood, knob and tube electrician Brentwood, old wiring replacement Brentwood.
Call: (888) 592-6466
Serving: Brentwood and Contra Costa County, plus Knightsen, Oakley, Discovery Bay
Availability: 24/7 emergency · Same-day appointments
Call NowTell us what is going on. For emergencies we dispatch immediately; for projects we schedule a convenient arrival window.
Your electrician inspects the issue, explains the options and gives you a firm price before any work starts.
We complete the job to code, test everything, clean up and walk you through what was done.
Your work is backed by our workmanship warranty, and we are one call away if you ever need us again.
★★★★★“Our office build-out had a tight deadline and they delivered. Workstation power, lighting and the server room all done ahead of schedule.”
— Nicole F., Brentwood, CA
★★★★★“Hot tub wiring done right with the GFCI disconnect and bonding. Passed inspection the first time.”
— Kevin B., Brentwood, CA
★★★★★“Had a whole-house surge protector installed after a storm fried our TV. Fast, affordable, and explained everything clearly.”
— Jennifer P., Brentwood, CA
Existing wiring is allowed in many areas, but it cannot be extended and insurers often refuse to cover it.
No. Covering knob and tube with insulation is a fire hazard and a code violation.
We fish new cable through existing paths and make small, patchable openings.
Yes. Our technicians are dispatched locally in and around Brentwood, so you get faster service from electricians who know the area.
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Upfront pricing. Same-day appointments. 24/7 emergency response.
(888) 592-6466Request Service Online