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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon984
    Verified electrical services reviews

Verified Reviews for Electrical Service pros in Ontario, CA

*The Angi rating for Electrical Service companies in Ontario, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

*The HomeAdvisor rating for Electrical Service companies in Ontario, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

Last update on March 11, 2026

Top-Rated Electricians in Ontario - Updated Nov 2026

Avatar for Garafano Electric, Inc.
Garafano Electric, Inc.
4.8(
188
)
Electrical Wiring or Panel UpgradeCeiling Fan - InstallCeiling Fan - Repair+14 more

Serving Ontario, CA and surrounding areas

Approved

In business since 1968

Free estimates

Warranties offered

"Garafano Electric has being taking care of all the electrical needs and upgrades in our 90 plus year old house for a few years now. They always do A+ work. We're currently in the middle of some home renovations and they've been willing and able to work with our erratic schedule. Honest, dependable, and great at what they do. Can't recommend them high enough!"
Response time1 day
Response rate100%
1 neighbors recently requested a quote
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P S Electrical
4.4(
170
)
Ceiling Fan - InstallCeiling Fan - RepairElectric Vehicle Charging Station Installation - Materials Not Provided+11 more

Serving Ontario, CA and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"Had an electrician out to give me an estimate on replacing my electrical panel. Decided against replacing it because that wouldn't have solved my issue. My house was built in the 60's so it needs all new wiring. I just had him show me which outlets were on each of the channels so that I could spread out my devices that needed a lot of power, specifically my space heaters."
Recommended by97%of homeowners
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Avatar for JK Flores Enterprise LLC.
JK Flores Enterprise LLC.
4.9(
57
)
Ceiling Fan - RepairElectrical Switches, Outlets & Fixtures - Install or RepairCeiling Fan - Install+10 more

Serving Ontario, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"The Technician (George) that came over was in time. He was very helpful in identifying the concerns we had with the appliances electrical outlets and circuit breakers. If we need any more electrical work done on our house we will be searching out to JK Flores for there service."
Existing ceiling fan
UPS system ready for a power outage
e.v. charger
New ceiling fan in living room
backup power supply

+29

Response time8 hrs
Response rate100%
22 neighbors recently requested a quote
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Avatar for Mr. Watts Electric
Mr. Watts Electric
5.0(
57
)
Electrical Switches, Outlets & Fixtures - Install or RepairCeiling Fan - InstallCeiling Fan - Repair

Serving Ontario, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Mr.Watts Electric did an incredible job! I highly recommend and will definitely contract them again!! 🙌🏻"
200amp Panel Upgrade
200amp Panel Upgrade
LV2 Tesla Charger
Response time7 hrs
Response rate99%
27 neighbors recently requested a quote
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Gandzjuk Electric Incorporated
4.8(
129
)
Electric Vehicle Charging Station Installation - For Business - Materials Provided by ConsumerElectrical Switches, Outlets & Fixtures - Install or Repair - For BusinessElectrical Wiring or Panel Upgrade - For Business+3 more

Serving Ontario, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Nice guys. Very professional. Installed two pendant lights over the kitchen island to existing electrical boxes. They were quick and friendly and are sure we were happy with how it all looked. Thanks!"
Response time5 hrs
Response rate98%
Recommended by96%of homeowners
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Avatar for CJ's Electrical Company, Inc.
CJ's Electrical Company, Inc.
4.8(
61
)
Ceiling Fan - InstallElectric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Wiring or Panel Upgrade+9 more

Serving Ontario, CA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"CJ's Electrical Company, Inc. completed work as agreed , some communication issue at first but Carlos took ownership and I am happy with the results and happy to recommend"
Response time1 day
4 neighbors recently requested a quote
Recommended by94%of homeowners
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Avatar for JVEC, INC.
JVEC, INC.
4.9(
259
)
Electrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation - Materials Not ProvidedElectrical for Home Addition or Remodel - Install+8 more

Serving Ontario, CA and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"The crew came on time and did an excellent job installing electrical wiring and installing the ceiling fan. Highly recommended!"
Response time2 days
16 neighbors recently requested a quote
Recommended by95%of homeowners
Request Quote
Kevin Hernandez
4.9(
190
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectric Vehicle Charging Station Installation - Materials Provided by ConsumerElectrical Wiring or Panel Upgrade+5 more

Serving Ontario, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Kevin Hernandez and the worker were professional. He explain and answered all our questions prior to commencing the job. Such things as the cost', time to complete the work and warranty. He and worker professional throughout the completion of the work. They clean up afterwards and ask us if we had any further concerns or questions. I will positively recommend them for electrical work. Thanks Home advisor,"
Response time9 hrs
14 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Naymar Electric
Naymar Electric
5.0(
33
)
Electrical Wiring or Panel UpgradeElectrical for Home Addition or Remodel - Install

Serving Ontario, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Excellent work completed in a timely manner at a fair price. Replaced old Zinsco electrical panel with Square D panel. Highly recommend."
Response time3 hrs
Response rate93%
10 neighbors recently requested a quote
Request Quote
A A Electric
4.8(
8
)
Electric Vehicle Charging Station Installation - For Business - Materials Not ProvidedElectric Vehicle Charging Station Installation - For Business - Materials Provided by ConsumerElectric Vehicle Charging Station Installation - Materials Not Provided+8 more

Serving Ontario, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Professional service right from the start. Arrived on time, very clean work and always suggested ways to complete task for the best effectiveness and yet tried to save the customer money. I would highly recommend AA Electric."
Response time4 hrs
Response rate94%
Recommended by87%of homeowners
Request Quote
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Showing 1-10 of 848
Electrical FAQs, answered by experts

According to the National Electrical Code (NEC), GFCI outlets should be installed in wet or damp locations where they might be splashed with water or other liquids. This is to protect against ground faults, which are more common around water. Specific areas that require GFCI outlets include kitchens (especially near counters), bathrooms, laundry rooms, basements, garages, and all outdoor receptacles. Depending on local electrical codes, you may need at least one GFCI outlet in these rooms, or every outlet in the area may need to be GFCI protected.

Yes, a water leak poses a major fire risk at your home because water is a conductor of electricity. Water that comes into contact with sparks or electrical wires can instantly ignite flammable materials. Additionally, any type of exposure to water can cause wires and other electrical components within your home to corrode. When assessing categories of water damage, it's important to know that even a small amount of moisture near wiring could cause sparks that lead to a fire.

An electrician will charge between $100 to $150 to install a new light switch. Whether you need to cut into the wall and repair drywall will determine your final project cost, as you can expect to pay $50 to $75 per square foot to repair drywall.

When removing an old security alarm system, you likely won't need to remove any of the wiring. Wiring can either be left in place for a replacement system or capped off for safety and pushed into the wall. If you're uncomfortable with the wiring, or if it's badly damaged, contact a professional electrician for assistance with safe removal.

The American Wire Gauge system calculates wire size diameters using the complicated formula D(AWG)=.005·92((36-AWG)/39) inch. A simpler rule of thumb is that every six-gauge decrease doubles the wire diameter, and every three-gauge decrease doubles the wire’s cross-sectional area. On the other hand, wavenumbers are typically measured in reciprocal meters (1/m or m−1) or reciprocal centimeters (1/cm or cm−1).

The Ontario, CA homeowners’ guide to electrical services

From average costs to expert advice, get all the answers you need to get your job done.

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