Replace century-old wiring. Local electricians in San Francisco with upfront pricing, same-day appointments and 24/7 emergency response.
Dab Electrical Services offers professional knob and tube wiring replacement in San Francisco, CA and San Francisco 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 San Francisco electricians arrive on time, quote the price up front and complete most jobs the same day.
Our San Francisco team completes knob and tube wiring replacement for single-family homes, condos, apartments, offices, restaurants and retail stores. If you are in San Francisco or nearby Daly City, Brisbane, Sausalito, you are in our service area and same-day appointments are usually available.
Popular searches we serve: knob and tube wiring replacement San Francisco, knob and tube removal San Francisco, knob and tube electrician San Francisco, old wiring replacement San Francisco.
Call: (888) 592-6466
Serving: San Francisco and San Francisco County, plus Daly City, Brisbane, Sausalito
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 breaker kept tripping every evening. The technician found a failing breaker and a loose neutral within an hour and fixed both. Honest pricing and no upsell.”
— Maria G., San Francisco, CA
★★★★★“Replaced the knob and tube in our 1920s house so we could finally get insurance. Minimal wall damage and they cleaned up every day.”
— Carlos M., San Francisco, CA
★★★★★“Had a whole-house surge protector installed after a storm fried our TV. Fast, affordable, and explained everything clearly.”
— Jennifer P., San Francisco, 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 San Francisco, so you get faster service from electricians who know the area.
All electrician services in San Francisco → · Knob and Tube Wiring Replacement across California →
Upfront pricing. Same-day appointments. 24/7 emergency response.
(888) 592-6466Request Service Online