4,417 Ontario, CA Electrical Contractors

Working with electrical systems generally isn’t a DIY job. That doesn’t include small jobs such as swapping out a front-porch lighting fixture or installing a fan, but intensive electrical work behind the walls is more of an issue. When you consider the possible consequences of a mistake, from fire to serious injury, hiring a California electrical contractor seems like a wise investment. More 
Your Electrician (949) 870-9416
Irvine, CA, 92602
23 miles from Ontario
Electrical contracting for your home and office. Read More
USA Electric (310) 553-5157
Los Angeles, CA, 90048
42 miles from Ontario
Electrical contractors since 1985, USA Electric provides quality, efficient, and reliable electrical service to our residential and commercial clients in the Los Angeles and... Read More
LED Lighting (818) 676-9065
Pacoima, CA, 91331
46 miles from Ontario
A family owned and operated company, Bright Choice Lighting is an LED lighting company specializing in cutting edge and very affordable LED lighting. We carry an extensive range... Read More
T A S Electric (909) 573-7734
Chino Hills, CA, 91709
8 miles from Ontario
Ready to assist you with any project or emergency situation for your home or place of business. Lighting and fan upgrades to enhance your homes appeal and comfort level.... Read More
Marc Garvey Electric (714) 642-1893
Huntington Beach, CA, 92647
32 miles from Ontario
Electrical contractor specializing in energy efficient custom homes. We have been a leader in bringing led technology and lighting control to our customers. We strive to save our... Read More
Sheets Contracting, Inc. (949) 650-3411
Costa Mesa, CA, 92627
33 miles from Ontario
A full service electrical contracting firm specializing in residential design and commercial design/build Read More
P.L. Electric (909) 973-5796
Glendora, CA, 91741
13 miles from Ontario
Electrical Contractor serving all Residential, Commercial and Industrial needs. From New Construction to troubleshooting, remodels to fixture installation we do it all. Read More
All City Electric (714) 847-0192
Huntington Beach, CA, 90647
35 miles from Ontario
We provide full electrical service to residential, commercial and industrial properties. Including 24/7 Emergency Repairs. We are experienced in any electrical project such as:... Read More
San Clemente, CA, 92672
44 miles from Ontario
Unique Lighting has been an Orange County, CA based lighting and electrical services company since 1985. We pride ourselves on the unique services we offer and commitment to... Read More
Smart Choice Electric Co. (626) 888-3060
Monterey Park, CA, 91754
28 miles from Ontario
The friendly electricians at Smart Choice Electric are dedicated to superior electric service in Los Angeles County and the San Gabriel Valley Area. Our family owned and operated... Read More
DEC Services, Inc. (951) 200-5262
Murrieta, CA, 92562
41 miles from Ontario
Full service commercial and residential electrical contractor serving southern California. Read More
Freedom Electric (424) 256-3407
Redondo Beach, CA, 90278
44 miles from Ontario
Freedom Electric has been providing Southern California with the utmost in sales and service of performance audio, video, home automation, electrical, lighting, and networking.... Read More
hi power electric (949) 378-4028
Laguna Niguel, CA, 92677
39 miles from Ontario
electrician, electrical contractor, electrical installation. Read More
Dynamo Electric (310) 303-2233
Granada Hills, CA, 91344
50 miles from Ontario
Residential, Commercial, Service Electrical Contractor with the highest reputation for quality, dependability and affordability. Read More
Los Angeles, CA, 90048
42 miles from Ontario
In business since 1995. We at A Custom Electric, are a full service electric company. Our electrical services include new construction electrical work for both residential and... Read More
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What Does an Electrical Contractor Do?


An electrical contractor plans, installs and repairs wiring in structures. He or she works closely with the home’s general contractor or remodeling contractor to determine the specific electrical needs for the project and to ensure that the wiring will meet Ontario, CA building codes. His or her job includes installing and repairing fixtures, switches and other visible components of electrical systems as well.

With today’s technological needs and advances, many electrical contractors also are trained to install fiber optic and coaxial cables for electronic equipment. They may design and install data systems and wire for security features such as alarms too. Some electrical contractors specialize in certain areas: HVAC, low-voltage appliances and systems and more.

Questions to ask a prospective electrical contractor:


  • How long have you been in the business?
  • How many projects like mine have you completed?
  • Who will be working on the project?
  • Are the workers employees or subcontractors?
  • Can you provide me with references?
  • Are you and your employees licensed and insured?
  • What license(s) do you have?
  • How do you charge, and what does that include?
  • Can you give me a written estimate?
  • What do your services include?
  • How will I be charged for parts and materials?
  • Who will make repairs to any structural damage that results from the job?
  • When can this job get done?
  • What happens when the cost exceeds the budget? What about changes to materials or labor pricing?
  • What will I need to provide?
  • Are there any important considerations or concerns you foresee with this project?

Find an electrical contractor on Houzz. Narrow your search in the Professionals section of the website to Ontario, CA electrical contractors. If you’re planning a large-scale project, find other professionals on Houzz who can help get the job done.
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