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Best Electricians in Ontario, CA (2026)

599 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Ontario: All Pro Cooling, Heating, Plumbing & Electrical, CR Score 92/100; 4.8★ from 7,425 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): DMT Electric, posts 24/7 hours; ranked #2 of 599.

  3. 22

    Most-reviewed: All Pro Cooling, Heating, Plumbing & Electrical, 4,107 Google reviews at 4.7★, the most of 599 ranked after All Pro Cooling, Heating, Plumbing & Electrical; ranked #22.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

599 Ontario electricians are ranked here by CR Score, from 8 published factors. 159 are open 24/7, 349 open Saturdays and 233 open Sundays, based on posted hours. The median Google rating is 4.9★ across 599 rated businesses.

Top 10 electricians in Ontario at a glance

Top 10 electricians in Ontario at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1All Pro Cooling, Heating, Plumbing & Electrical924.8★ (7,425)Ontario24/7Overall
2DMT Electric915.0★ (288)Upland, 4 mi away24/7Emergencies
3Safe-Way Electric914.9★ (430)Chino, 5 mi away24/7—
4cat electric inc.895.0★ (108)Chino, 6 mi away24/7—
5So Cal Pacific Electrical & Lighting884.9★ (59)Rancho Cucamonga, 4 mi away24/7—
6Bright Bulbs Electric Co Inc884.9★ (44)Upland, 2 mi away24/7—
7Trout Electric874.9★ (483)Riverside, 19 mi away24/7—
8Tryon Electric875.0★ (78)Chino, 9 mi away24/7—
9Just Electric | 24/7 Licensed Electricians in Glendora and Covina, CA874.7★ (584)Covina, 14 mi away24/7—
10All Lights Electrical Service875.0★ (128)Riverside, 15 mi away24/7—

The 599 best electricians in Ontario, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Based in Upland, 4 mi away

    91/100CR Score

    Ranked #2 because of its Google rating and availability: 5.0★ from 288 Google reviews, open 24/7.

    • 5.0★ from 288 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    W 14th St, Upland, CA 91786
  2. Based in Riverside, 19 mi away

    87/100CR Score

    Ranked #7 because of its Google rating and availability: 4.9★ from 483 Google reviews, open 24/7.

    • 4.9★ from 483 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2020 Iowa Ave Suite 102, Riverside, CA 92507
  3. Based in Riverside, 14 mi away

    86/100CR Score

    Ranked #21 because of its Google rating and availability: 4.9★ from 86 Google reviews, open 24/7.

    • 4.9★ from 86 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7020 Arlington Ave, Riverside, CA 92503
  4. Based in Brea, 17 mi away

    85/100CR Score

    Ranked #25 because of its Google rating and availability: 5.0★ from 76 Google reviews, open 24/7.

    • 5.0★ from 76 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    485 Apricot Ave, Brea, CA 92821

Electricians ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 599 ranked electricians here; the rest are on their profiles.

electricians in Ontario, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26JC Electric855.0★ (10)3 mi
27Blazer Electric855.0★ (31)11 mi
28DrSmart Electrician855.0★ (28)12 mi
29Overnight Electric Inc.845.0★ (10)5 mi
30Genesis Energy Solutions845.0★ (10)6 mi
31Infiniti Electric, Inc.845.0★ (43)16 mi
32Steinberg Construction845.0★ (6)3 mi
33POWER PRO ELECTRIC & SOLAR844.9★ (148)24 mi
34All For You Electricians845.0★ (86)23 mi
35Tobin Electrician844.9★ (30)14 mi
36Volt Tech Electric844.7★ (27)11 mi
37Pro Status Electric | Hablamos Español845.0★ (20)12 mi
38Big Sky Electric845.0★ (4)3 mi
39Sika Electrician845.0★ (28)15 mi
40MG Electric845.0★ (101)12 mi
41Express Electrical Services844.8★ (229)25 mi
42Monkey Wrench Plumbing, Heating, Air & Electric844.9★ (253)13 mi
43Service Hero Plumbing, HVAC, and Electrical844.8★ (1,840)22 mi
44Service Lion Plumbing Heating Air Electric844.9★ (76)21 mi
45Bright Works Electric, INC.844.8★ (6)5 mi
46The Handy Plug845.0★ (5)5 mi
47Copperhead electric844.6★ (7)In Ontario
48All City Plumbing, Air & Electrical845.0★ (1,899)16 mi
49JR Fuse Electric835.0★ (7)7 mi
50Gehl Electric Inc835.0★ (59)17 mi

Also serving Ontario

20 more electricians within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked electricians serving Ontario
BusinessGoogle ratingDistance
Accurate Electric, Plumbing, Heating and Air4.9★ (69)4 mi
Adaptive Power Company5.0★ (53)10 mi
Braley's Electric5.0★ (2)3 mi
Downey breakers5.0★ (2)In Ontario
Electric Vehicle Infrastructures4.5★ (2)3 mi
Faith Electric LLCIn Ontario
Fastech Critical Services, Inc.In Ontario
Hometown Electric5.0★ (2)4 mi
L V Electric Inc5.0★ (1)In Ontario
LeMus Electric & Handyman Inc.In Ontario
Moore Electric, Inc.5.0★ (2)4 mi
N & S Heating, Air Conditioning & Electrical4.5★ (2)3 mi
NexGen HVAC & Plumbing4.6★ (507)In Ontario
Ortega Electric5.0★ (13)10 mi
RDM Electric Co., Inc.In Ontario
Solar Electrical Plus INC1.0★ (1)In Ontario
Spark PowerIn Ontario
Tamang Electric5.0★ (2)3 mi
Warfield Electric Co Inc5.0★ (2)In Ontario
West Coast Current5.0★ (8)7 mi

How much do electricians cost in Ontario?

National price ranges in USD, not adjusted for Ontario. Each row names its basis and the month we checked it.

How much do electricians cost in Ontario?
JobLowTypicalHighBasisChecked
Electrical panel upgrade$518$1,347$2,193Per panel, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an electrician's license in California

In California, Contractors State License Board (CSLB) licenses C-10 Electrical contractor license (electricians themselves are certified by the Department of Industrial Relations).

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

How we ranked Ontario electricians

We scored 599 Ontario electricians on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Ontario data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Electricians in Ontario: frequently asked questions

Who is the best electrician in Ontario?

By CR Score, the highest-ranked electrician in Ontario, CA is All Pro Cooling, Heating, Plumbing & Electrical with a CR Score of 92/100. It has 4.8★ from 7,425 Google reviews. It is open 24/7. DMT Electric (#2) and Safe-Way Electric (#3) follow. We ranked 599 electricians on 8 factors, last updated October 22, 2026.

How many electricians are there in Ontario?

ContractorsRanked ranks 599 electricians serving Ontario, CA. 4 of them are based in Ontario; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which electricians in Ontario are open 24/7?

159 ranked electricians in Ontario post 24/7 hours. The highest-ranked are All Pro Cooling, Heating, Plumbing & Electrical (#1), DMT Electric (#2) and Safe-Way Electric (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which electricians in Ontario work on weekends?

349 of 599 ranked electricians post Saturday hours and 233 post Sunday hours. The highest-ranked open Saturdays are All Pro Cooling, Heating, Plumbing & Electrical (#1), DMT Electric (#2) and Safe-Way Electric (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an electrician's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-10 Electrical contractor license (electricians themselves are certified by the Department of Industrial Relations). Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does electrical panel upgrade cost in Ontario?

Electrical panel upgrade typically costs $518 to $2,193, with $1,347 typical (Per panel, installed; typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Ontario. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Ontario electricians have?

The median Google rating among 599 rated electricians in Ontario is 4.9★, with a median of 11 reviews. All Pro Cooling, Heating, Plumbing & Electrical has the most, 7,425 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank electricians?

Each electrician gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Ontario

  1. October 2026: CR Scores recalculated for 599 electricians serving Ontario.
  2. October 2026: 7 duplicate listings merged.

More electricians and Ontario pages

Other trades in Ontario