Electrical Services San Francisco CA | Call Woo Electric Company

309 Cornwall St, San Francisco, CA 94118

(415) 751-1523

Local Business Overview

Woo Electric Company is a trusted, locally-owned electrical contractor serving San Francisco homeowners and businesses. We specialize in addressing the common and potentially hazardous electrical issues prevalent in the city's diverse housing stock. Our certified electricians frequently resolve overloaded breaker panels—a common problem in older homes with modern appliance loads—and correct improper DIY installations to ensure your electrical system is safe, up to code, and reliable. Through our comprehensive electrical inspection service, we provide a thorough assessment of your home's wiring, panels, and outlets, identifying risks before they become emergencies. We are committed to safeguarding San Francisco families with expert, code-compliant solutions.

Main Services

  • Electric inspection

Q&A

What does a home electrical inspection from Woo Electric cover, especially for older San Francisco homes?

Our San Francisco electrical inspection is a thorough evaluation of your entire system. We specifically check for overloaded circuits in your breaker panel—common when adding modern appliances to older wiring—and inspect for any unpermitted or unsafe DIY work. The inspection covers wiring integrity, grounding, GFCI/AFCI protection, and panel capacity, giving you a clear report on safety and any needed upgrades to meet current code.

My breaker trips frequently. Could this be an overloaded panel, and how can you help?

Yes, frequent tripping is a classic sign of an overloaded panel, a very common issue in San Francisco homes. Our electricians will perform a load calculation to see if your panel can handle your home's electrical demand. We can then safely upgrade your panel or add dedicated circuits, ensuring your system can power your home reliably and eliminating the nuisance and fire risk of constant tripping.

I bought a home with questionable DIY electrical work. What should I do?

It's wise to address this promptly for safety. We recommend starting with a professional electrical inspection. Our experts will identify any improper installations—like uncertified fixtures, faulty junctions, or undersized wiring—that could pose shock or fire hazards. We'll provide a clear plan to bring everything up to San Francisco safety codes, giving you peace of mind and protecting your investment.

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours


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