21 Century Electrical Services
Trusted Electrician Serving the Main Line, Montgomery & Delaware County, and Greater Philadelphia
We arrive on time, give you a fair price, and always clean up when we're done. Fast response for all repairs, panels, and EV chargers.
Professional Suburban Electrical Services
Main Panel Upgrades
Modernize your power capacity safely with 200-amp service replacements for older suburban homes.
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EV Charger Install
Level 2 home charging stations for Tesla and all EVs. Professional, tidy, and safe installations.
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Expert Troubleshooting
Fixing flickering lights and tripping breakers fast. We find the root cause to keep your property safe.
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Recessed Lighting
Modernize your interior with professional LED lighting design and clean, mess-free installations.
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Outlets & Switches
Upgrading to safe GFCI outlets and replacing worn-out switches for better reliability and safety.
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Safety Inspections
Comprehensive electrical checks for peace of mind, especially for older homes in the Main Line.
Learn More →Electrical Work Done Right.
Safety, expertise, and a commitment to your home.
No Surprises
We provide a firm, clear quote before any work begins. No hidden fees or hourly guessing games.
Spotless Results
We treat your home like our own. We use floor protectors and guarantee a spotless workspace when finished.
Code Compliant
Every installation is performed to strict National Electrical Code (NEC) standards for your peace of mind.
Top-Rated Main Line Electrician
"Bill did an excellent job replacing my entire electrical panel. Very knowledgeable, and completed everything cleanly and on time. Highly recommend."
Vijay Ravi
Google Review
"Professional and responsive. He ran electrical to charge my EV in my backyard right away with no issues. Could not be happier."
Andre R.
Thumbtack Verified
"Every time we have an unexpected issue, he not only responds right away but fits us in the same day. He is our go-to electrician."
Lisa Crum
Google Review
"Amazing experience from quote to finished project. Done very quickly! Left everything clean and organized. Will be using them again!"
Omorose A.
Thumbtack Verified
"Bill arrived on time, was professional, and completed the installation efficiently and neatly. Quality of work was excellent."
Sunil L.
Thumbtack Verified
"Outstanding worker! Professional and knowledgeable. Highly recommend for any electrical needs."
Ted Czyzewski
Google Review
"Came out late on a Sunday to address an outdoor GFCI issue. Alerted us to a safety concern and fixed it. Fast, quality work!"
Anthony B.
Thumbtack Verified
"They were fantastic! Clean, put covers over furniture to protect everything, and cleaned everything up when done. 10/10."
Greenhouse Salon
Google Review
Common Electrical Questions
Expert insights for homeowners in the Main Line and Greater Philadelphia.