Outdated wiring isn’t just a relic of the past — it’s a real risk in many older San Francisco homes.
If your property still relies on knob-and-tube wiring, now is the time to consider a safer, code-compliant solution. Our certified electricians provide expert knob-and-tube wiring replacement in San Francisco, upgrading outdated systems to meet modern electrical codes. Whether you’re renovating, preparing to sell, or focused on home safety, you can count on us for honest guidance and skilled workmanship.
Why You Should Replace Knob-and-Tube Wiring?
Fire Hazard
Old knob-and-tube wiring can overheat and spark fires. Replacing it significantly reduces the risk of electrical fire in your home.
No Grounding = Unsafe for Modern Devices
Knob-and-tube wiring isn’t grounded, making it unsafe for modern appliances, computers, and home office equipment.
Not Compliant with Insurance or Mortgage Requirements
Most insurers and lenders won’t approve homes with knob-and-tube wiring. Upgrading keeps you safe and in line with the rules.
Increases Property Value After Replacement
Replacing outdated wiring increases peace of mind for both current owners and future buyers.
Our Happy Clients Say:
Trusted Local Experts in
Historic San Francisco Homes
Licensed & Ensured Electricians
Over 500 Safe Upgrades Completed
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Pricing
Specializing in Historic Property Upgrades
Our 3-Step Process
Recent Work
See how we bring old wiring up to modern standards
Before: Knob-and-tube wiring in attic
During: Panel upgrade in progress
After: Final safety inspection complete
How can we help you?
Electrical Panel
Upgrade
Ensure your home’s safety and performance with a professional electrical panel upgrade.
Grounding & Bonding
Installation
No more ungrounded outlets — we bring your system up to modern code.
Whole-House Surge
Protection
Protect your entire home from voltage spikes with a smart surge protection system.
⚠️ Helpful Information About Knob-and-Tube Wiring
Many San Francisco homes built before the 1950s still rely on knob-and-tube wiring — a system that wasn’t designed for today’s electrical loads. This outdated wiring, which lacks proper grounding and frequently fails to meet current code safety requirements, even though it might still work.
If you’re planning a renovation, selling your home, or noticing signs like flickering lights or warm outlets, it may be time to consider a full knob-and-tube wiring replacement. Beyond making your home safer, replacing knob-and-tube wiring can increase resale value and ensure compliance with insurance or lender standards.
Not sure how to spot outdated wiring? Here are a few signs your home may still have knob-and-tube wiring:
- Two-prong outlets with no grounding
- Wires running through ceramic knobs in basement or attic
- Brittle, cloth-covered wiring
- Insurers refusing coverage due to electrical concerns
For expert help with knob-and-tube wiring replacement in San Francisco, our licensed electricians are just a call away.
Helpful Information
Do I Need to Replace Knob-and-Tube Wiring in My San Francisco Home?
Our Work
