We specialize in Knob and Tube wiring replacement in San Francisco homes.
KNOB & TUBE WIRING REPLACEMENT COST AND TIMING
$25 - $35/ SQ.FT.
25-30 DAY TURN AROUND
WE PROVIDE A TURNKEY SOLUTION AT AFFORDABLE AND COMPETITIVE PRICES THROUGHOUT THE SAN FRANCISCO BAY AREA.
Our Turn-Key Service Covers Everything!
Our turn-key Knob & Tube wiring replacement service is a comprehensive, hassle-free solution designed to handle every step of the process from start to finish.
We begin with a free in-home evaluation to assess your current electrical system and provide a clear path forward. From there, we take care of city permits and inspections, ensuring everything is fully approved and up to code. Our licensed electricians perform a complete rewiring of your home to meet the latest safety standards, followed by professional wall and ceiling patch-back, precision painting, and a thorough final cleaning. Before we consider the job done, we conduct final testing and obtain official city sign-off, giving you total peace of mind and a safer, modern electrical system.
1. Free In-Home Evaluation
5. Precision Painting
2. City Permits & Inspections
6. Final Cleaning
3. Full Rewiring to Meet Current Code
7. Final Testing, & Sign-Off
4. Wall & Ceiling Patching
Certificate of K&T Replacement
Don’t Let Your Home’s Old Electrical System Put You at Risk.
Many older homes in the San Francisco Bay Area still rely on knob and tube wiring, an obsolete electrical system that lacks grounding, can't support modern electrical load needs, and poses serious fire and safety hazards.
We are a licensed and insured general contractor specializing in turn-key knob and tube replacement. With decades of experience working on homes throughout the Bay Area, our team knows how to rewire safely, efficiently, and with minimal disruption — while fully preserving the character of your home.
All our work is 100% code-compliant and permitted, giving you peace of mind, ensuring safety, quality, and long-term value for every home.
Rachel M., Oakland
“We had no idea how dangerous our wiring was until we called. BOLD's team was professional, kind, and so respectful of our old home. We now feel safe — and our insurance satisfied.”
Alan D., San Francisco
“Every step was handled professionally — from permits to painting. You made the entire process so much easier.”
Linda G., Berkeley
“I was nervous about opening up walls in a 100-year-old home, but they did a great job at matching existing conditions, cleaned up everything and finished ahead of schedule. Highly recommended.”
Why You Should Replace Knob & Tube Now
- Fire Hazard: Old wires have deteriorated insulation and no grounding.
- Insurance Issues: Many carriers deny coverage or charge high premiums.
- Unsafe for Modern Loads: Today’s appliances can overload old wiring.
- Hurts Home Value: Inspectors, lenders, and buyers all flag this issue.
If your home was built before 1950, there’s a high chance knob and tube wiring is still present — even if it's hidden behind walls. Contact our expert team today to schedule a free in-home evaluation or request a quick online estimate.
Frequently Asked Questions
FAQ - KNOB AND TUBE WIRING
Q: Do I really need to replace my knob and tube wiring?
A: If it’s still active, yes. Even if it “still works,” the wiring is not grounded, wasn’t designed for modern electrical loads, and is often unsafe by today’s standards.
Q: How long does a full wiring replacement take?
A: Most projects take 25 to 30 days, depending on the size and layout of your home.
Q. What about permits and inspections?
A: Bold construction obtains the electrical permit, schedules inspections, is present during each inspection and make sure all is completed on time.
Q: Will you patch the walls after rewiring?
A: Yes. We handle patching and repairing all walls and ceilings that are disturbed.
Q: Are you licensed, bonded, and insured?
A: Yes. We are fully licensed, bonded, and insured in the state of California. We also name all property owners as additional insured on our general liability insurance policy.
Q: Can I live in my home during the work?
A: The honest answer is no, for safety reasons due to exposed wiring and your health - drywall cutting and patching creates lot of dust.
Phone
415-359-4397
Proudly Serving the Bay Area
Including: San Francisco, Oakland, Berkeley, Alameda, Richmond, San Mateo, Redwood City, San Jose, Marin County, and surrounding areas.