Top Rated Commercial Electrical Contractors Serving Los Altos, CA

If you really care about choosing a quality commercial electrical contractor, we’re here for you. Here’s your access to the best commercial electrical contractors serving Los Altos including 94024, 94022 and 94023. These commercial electrical contractors provide security system wiring and installation and lighting control, and they also work on electrical inspections, fire alarm system installation and maintenance and commercial electrical maintenance. For 22 years we’ve conducted the most accurate ratings and deepest research of local contractors, so you’ll be confident in choosing.

  • Last Updated Mar 04, 2026
  • 2,020 people sourced companies in Electrical Contractor - Commercial
    688 Verified Electrical Contractor - Commercial Customers Surveyed
688
2,020
1 of 5
Pro Team Electric provides a wide range of electrical repair, installation, and maintenance services for residential and commercial clients in Santa C...
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Main Services

Electrical Contractor
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Additional Services

Electrical Installation, Repair & Maintenance, Electrical Panel Upgrades, Lighting System Installation, Whole Home Rewiring, Solar Panel Installation

Coverage Areas

Santa Clara County, Alameda County

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License:
1050865
2 of 5
California Power and Light is a full-service electrical contracting firm that serves residential, commercial and industrial clients throughout Santa C...
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Main Services

Electrical Contractor
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Additional Services

Recessed & Track Lighting, Fixture Replacement & Repair, Panel Changes & Upgrades, Outlets, Switches & Dimmers, Paddle Fans, New Dedicated Circuits, Home Inspections & Repairs, Appliance Circuits, Emergency Troubleshooting

Brands

Square D

Coverage Areas

Santa Clara County

Family Owned
Family Owned
Established in 1996
Established in 1996
Residential & Commercial
Residential & Commercial
Free Quotes & Consultations
Free Quotes & Consultations
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Hours CLOSED NOW
License:
720684
3 of 5
Avant Electric, Inc. provides a wide range of electrical repair and installation services for residential and commercial clients in Santa Clara, San M...
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Main Services

Electrical Contractor
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Additional Services

Electrical Repairs & Installations, Generator Installations, Whole House Rewiring, Panel Upgrades, Level 2 & 3 Electric Vehicle Charging Stations, Main Switch Gear Upgrades & Transformers, Parking Lot Lighting

Brands

Leviton, Lutron, Siemens, SPAN, Square D

Coverage Areas

Santa Clara County, San Mateo County, Santa Cruz County

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License:
1045987
4 of 5
E.G. Electrical Services offers full-service electrical work to residential, commercial and industrial clients in Santa Clara County. Services include...
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Main Services

Electrical Contractor
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Electric Vehicle Charging Station Contractor
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Additional Services

Tesla, Chevrolet and Toyota Charging Stations, Upgrades of Single-Phase and Three-Phase Systems (Up to 600 Volts), Main Panel and Subpanel Upgrades, LED Recessed Lighting, Kitchen and Bathroom Remodeling, Complete Rewiring, Commercial Lighting Systems, Commercial and Industrial Machinery Circuits, Back-Up Generators, Troubleshooting and Repairs of Electrical Systems

Coverage Areas

Santa Clara County

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Hours CLOSED NOW
License:
978103
5 of 5
Service Champions is a leading provider of premier home services in Northern California. The company's expertise includes electrical, plumbing, heatin...
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Main Services

Electrical Contractor
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Electric Vehicle Charging Station Contractor

Additional Services

Main Panel & Subpanel Replacement, Recessed Lighting, Outlets, Switches, Breaker Replacement, Whole or Partial Home Rewiring, Dedicated Circuits for Tripping Breakers, Troubleshooting, Electric Vehicle (EV) Charger Installation, Whole Home Generators, Home Surge Protectors

Coverage Areas

Alameda County, Contra Costa County, Santa Clara County, San Mateo County

Residential Only
Residential Only
Free Estimates
Free Estimates
Live Phone Call Answers
Live Phone Call Answers
Diamond Certified Expert Contributor
Diamond Certified Expert Contributor
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Hours CLOSED NOW
License:
817040
Learn how to choose a Electrical Contractor - Commercial and more…

Diamond Certified Commercial Electrical Contractors Serve These Los Altos ZIP Codes

94024, 94022, 94023

Diamond Certified Commercial Electrical Contractors In Los Altos

Diamond Certified commercial electrical contractors serving Los Altos are rated an average of 4.6 out of 5 stars based on 902 reviews of 6 rated commercial electrical contractors.
Diamond Certified commercial electrical contractors in Los Altos Avg. Star Rating.

    Map of Los Altos, CA

    Los Altos was founded in 1896, and today, your 28,976 neighbors enjoy golfing, scuba diving, pottery classes, sightseeing and street fairs. Los Altans use Diamond Certified commercial electrical contractors for electrical panel upgrades, commercial electrical troubleshooting, electrical power distribution, emergency electrical work, commercial electrical services, and more.

    Frequently Asked Questions for Electrical Contractor - Commercial in Los Altos, CA
    Q: What are clients of Diamond Certified commercial electrical contractors saying about contractors in Los Altos, CA?
    A: Verified Pro Team Electric Customer, 1 of 12
    "They are transparent, easygoing and easy to communicate with. They just do good work. Those are the main factors. For most people, they look at pricing and the pricing is competitive. It's not over the top. Again, the communication and ability to get Donny on the phone for any concerns I might have, that goes a long way." - Juan F.
    All Survey Responses for Pro Team Electric
    Verified California Power and Light Customer, 1 of 119
    "I've referred them many times. Henry knows exactly what he's doing, his team is very good, and I trust them to do whatever I need done. They get it right the first time and they don't overcharge. I text Henry and things just get done. All I have to do is just pay the bill." - Jennifer H.
    All Survey Responses for California Power and Light
    Verified Avant Electric, Inc. Customer, 1 of 10
    "I hired Avant Electric, Inc. years back in 2023 for some electrical work at my home and business. I couldn’t be more impressed with the quality of their service. From start to finish, the team was punctual, knowledgeable and extremely professional. They took the time to explain what needed to be done, offered fair and transparent pricing and completed the job efficiently with great attention to detail. I highly recommend Avant Electric to anyone looking for a reliable and skilled electrical contractor. Whether it’s a small repair or a full installation, you can count on them to deliver outstanding results every time. What stood out most was their commitment to safety and customer satisfaction. Everything was tested thoroughly and the work area was left spotless afterward. It’s clear they take pride in their craft and truly care about their clients." - Elena M.
    All Survey Responses for Avant Electric, Inc.
    Verified E.G. Electrical Services Customer, 1 of 257
    "He was honest, reliable, and on time. He did the work as he said he would. He was great. I liked his reliability the best. " - Marilyn T.
    All Survey Responses for E.G. Electrical Services
    Verified Service Champions Customer, 1 of 1869
    "They do what they say they're going to do, there are no extra charges, and they don't do any work that isn't authorized. He spotted some other electrical issues with my home that I wasn't aware of, and that was appreciated. They did a great job." - Brian P.
    All Survey Responses for Service Champions
    Q: What are some of the most popular brands that Diamond Certified commercial electrical contractors use when working with Los Altos residents?
    A: Diamond Certified commercial electrical contractors use top-quality brands like Burndy, Hubbell, Wago, Philips and IDEAL Industries.
    Q: What types of electrical inspections do commercial electrical contractors offer?
    A: Commercial electrical contractors offer a variety of electrical inspections to ensure the safety and efficiency of your business's electrical system. These may include routine safety inspections, code compliance checks, and thermal imaging inspections for detecting hidden problems. They also conduct inspections for specific systems such as emergency lighting, fire alarm systems, and data cabling. Additionally, they provide energy efficiency audits, electrical system troubleshooting, and preventative maintenance inspections. These inspections help in identifying potential issues early, preventing costly repairs or replacements in the future.
    Q: Can Diamond Certified commercial electrical contractors work with Siemens products and similar items so I can get security system wiring and installation in Los Altos?
    A: Yes, Diamond Certified commercial electrical contractors can work with Siemens products and similar items to provide security system wiring and installation in Los Altos.
    Q: What did people search for when they wanted to find the best quality commercial electrical contractors in Los Altos?
    A: Commercial Wiring
    Commercial Electrical Maintenance
    Commercial Electrical Troubleshooting
    Electrical Code Compliance
    Energy-Efficient Lighting Solutions