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One & Only Electrical Service. inc

Electricians in Walnut Creek, California
Ranked #3 in Walnut Creek | Grade C+
4.40 (101 reviews)

One & Only Electrical Service. inc

Local electrician providing panel upgrades, sub panels, breaker replacement, GFCI outlets, and code-compliant repairs for homes and small businesses. Known for clear communication, punctual scheduling, and tidy workmanship Serving homeowners across Walnut Creek, California.

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One & Only Electrical Service. inc business photo 2 - Electrical in Walnut Creek
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Why Homeowners Choose This Business

Customers note punctual appointments, thorough explanations before work begins, and tidy results. The team emphasizes meeting code requirements and confirming proper operation before wrap-up. Estimates are described as clear and aligned with final outcomes Local experience that helps homeowners across Walnut Creek, California compare a more region-aware provider.

Service Area

Walnut Creek, California and neighboring Central Contra Costa areas.

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  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.
  • Has more review volume than many local competitors.

Services Covered

  Electrical Services
  Renovation Services
  Electrical panel upgrade
  Sub Panel Installation
  Breaker replacement
  GFCI Outlet Installation
  Outdoor weatherproof outlets
  Circuit troubleshooting
  Electrical Code Corrections
  Lighting installation
  Receptacle installation
  Residential Electrician
  Small Commercial Electrical

Electrical panel upgrades, sub panel installation, breaker replacement, GFCI and weatherproof outdoor outlets, circuit troubleshooting and repairs, lighting and receptacle installs, and code corrections for safety.

Reviews

Customer Reviews

Shilat Daudi
I recently hired to replace the electrical panel in my home, and I couldn’t be happier with the service. From start to finish, the team was professional, punctual, and extremely knowledgeable. They explained everything clearly, made sure th…
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I recently hired to replace the electrical panel in my home, and I couldn’t be happier with the service. From start to finish, the team was professional, punctual, and extremely knowledgeable. They explained everything clearly, made sure the work met all safety standards, and completed the job on time with no mess left behind.

The new panel works perfectly, and I feel much safer knowing my electrical system is up to date. Highly recommended for anyone needing reliable and high-quality electrical work!
Yossi Karvani
I needed to upgrade my electrical panel and received an estimate from Mike. From start to finish, he was extremely professional polite, punctual, and thorough in explaining every detail. He delivered exactly what he promised and the quality…
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I needed to upgrade my electrical panel and received an estimate from Mike. From start to finish, he was extremely professional polite, punctual, and thorough in explaining every detail. He delivered exactly what he promised and the quality of his work was excellent. I’m very happy with the service and would highly recommend him to anyone in need of electrical work.
Merav Bar On
I had One & Only Electrical install several outdoor GFCI outlets for my backyard and patio area. The electrician was professional, on time, and made sure everything was done to code. The outlets were installed with weatherproof covers and a…
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I had One & Only Electrical install several outdoor GFCI outlets for my backyard and patio area. The electrician was professional, on time, and made sure everything was done to code. The outlets were installed with weatherproof covers and are working great. It’s made a big difference for outdoor lighting and entertaining. Highly recommend their services!
Princess D
I called One & Only Electrical Service Inc. to replace a faulty breaker, and they were absolutely fantastic. They responded quickly, diagnosed the issue right away, and had the breaker replaced safely and efficiently. The electrician explai…
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I called One & Only Electrical Service Inc. to replace a faulty breaker, and they were absolutely fantastic. They responded quickly, diagnosed the issue right away, and had the breaker replaced safely and efficiently. The electrician explained everything in detail and made sure everything was up to code before wrapping up. It’s hard to find reliable and honest professionals these days, but One & Only truly lives up to their name. I’ll definitely use them again for any future electrical work!
Dana Milner
I recently hired One & Only Electrical Service Inc. to install a new sub panel in my home, and I couldn’t be more pleased with the experience. From start to finish, their team was knowledgeable, professional, and efficient. They took the ti…
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I recently hired One & Only Electrical Service Inc. to install a new sub panel in my home, and I couldn’t be more pleased with the experience. From start to finish, their team was knowledgeable, professional, and efficient. They took the time to explain everything clearly, completed the work on schedule, and made sure everything was up to code. The installation was clean, organized, and exactly what I needed to support future electrical upgrades in my home. I highly recommend One & Only Electrical for any electrical work—especially sub panel installations. Truly a five-star service!

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Frequently Asked Questions

Common projects include main panel upgrades, sub panel installations, breaker replacements, and GFCI outlet installs. The team also helps with circuit troubleshooting, lighting additions, and code corrections for safety.

Yes, outdoor GFCI outlets are installed with proper weatherproof covers and to current code requirements. Customers report reliable performance for patios, backyards, and exterior lighting.

Scheduling is available most days, including weekends during posted hours. Availability can vary, so calling ahead typically secures a prompt visit.

Yes, estimates are provided and explained before work begins. Reviews indicate the final results align closely with the initial scope and pricing discussed.

The electrician will review your current system, explain code and capacity needs, and outline the steps and timing. Work is performed to code, circuits are tested, and the area is left clean when the job is complete.
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Opening Hours

  • Monday 8:00 AM – 8:00 PM
  • Tuesday 8:00 AM – 8:00 PM
  • Wednesday 8:00 AM – 8:00 PM
  • Thursday 8:00 AM – 8:00 PM
  • Friday 8:00 AM – 5:00 PM
  • Saturday 10:00 AM – 5:00 PM
  • Sunday 11:00 AM – 5:00 PM

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Business Details

Business Rating
4.40 (101 reviews) Featured BusinessPro Listing
Address
1661 Botelho Dr Ste 296, Walnut Creek, CA 94596
Business Type
Electrician
Website
https://oneandonlyelectricals.com/
City Page
Electricians in Walnut Creek, California

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