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Emergency Electricians in Ontario, CA (2026)

Top 50 of 599 electricians, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 electricians on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Sparks, smoke or a burning smell: leave the room and call 911. Never touch a fallen power line; call your utility.

The short answer

  1. 1

    #1 for emergency electrical work in Ontario: All Pro Cooling, Heating, Plumbing & Electrical, open 24/7.

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

Top emergency electricians in Ontario at a glance

Top emergency electricians in Ontario at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1All Pro Cooling, Heating, Plumbing & Electrical644.8★ (7,425)Ontario24/7
2DMT Electric635.0★ (288)Upland, 4 mi away24/7
3Safe-Way Electric634.9★ (430)Chino, 5 mi away24/7
4Accurate Electric, Plumbing, Heating and Air624.9★ (951)Glendora, 14 mi away24/7
5cat electric inc.615.0★ (108)Chino, 6 mi away24/7
6Just Electric | 24/7 Licensed Electricians in Glendora and Covina, CA614.7★ (584)Covina, 14 mi away24/7
7So Cal Pacific Electrical & Lighting614.9★ (59)Rancho Cucamonga, 4 mi away24/7
8Bright Bulbs Electric Co Inc604.9★ (44)Upland, 2 mi away24/7
9Trout Electric604.9★ (483)Riverside, 19 mi away24/7
10Tryon Electric605.0★ (78)Chino, 9 mi away24/7

Call an emergency electrician in Ontario now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency electricians in Ontario, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 599 is on the electricians page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 DMT Electric

    Based in Upland, 4 mi away

    63/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 288 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 288 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    W 14th St, Upland, CA 91786
    View profile for DMT Electric(626) 392-8842

  3. #3 Safe-Way Electric

    Based in Chino, 5 mi away

    63/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 430 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 430 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4091 Riverside Dr, Chino, CA 91710
    View profile for Safe-Way Electric(909) 464-9983

  9. #9 Trout Electric

    Based in Riverside, 19 mi away

    60/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 483 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 483 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2020 Iowa Ave Suite 102, Riverside, CA 92507
    View profile for Trout Electric(909) 952-0047

  14. #14 Golden Power Electric

    Based in Riverside, 14 mi away

    59/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 139 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 139 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11801 Pierce St Suite 200, Riverside, CA 92505
    View profile for Golden Power Electric(951) 777-9965

  22. #22 Zobel Electric

    Based in Riverside, 14 mi away

    58/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 86 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7020 Arlington Ave, Riverside, CA 92503
    View profile for Zobel Electric(951) 750-2750

  23. #23 JC Electric

    Based in Upland, 3 mi away

    58/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 10 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1540 W 8th St, Upland, CA 91786
    View profile for JC Electric(818) 203-0430

  24. #24 Austin's Electrical

    Based in Riverside, 17 mi away

    58/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 113 Google reviews, listed on Google as “Electrical installation service”.

    • 4.9★ from 113 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8699 Limestone Dr, Riverside, CA 92504
    View profile for Austin's Electrical(951) 295-9457

  25. #25 Copperhead electric

    Based in Ontario

    58/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Electrical installation service”.

    • 4.6★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1115 E 5th St, Ontario, CA 91764
    View profile for Copperhead electric(909) 509-2836

Top 50 of 599 electricians by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

electricians in Ontario, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26AVE. Electric585.0★ (19)7 mi
27Harmony Electrical, Plumbing & Air585.0★ (302)24 mi
28Electrical Land585.0★ (76)17 mi
29Blazer Electric585.0★ (31)11 mi
30The Volt Masters584.8★ (122)18 mi
31Advanced Water & Power Sprinkler and Electrical Repair584.3★ (16)5 mi
32Overnight Electric Inc.585.0★ (10)5 mi
33DrSmart Electrician585.0★ (28)12 mi
34Steinberg Construction585.0★ (6)3 mi
35Genesis Energy Solutions575.0★ (10)6 mi
36Volt Tech Electric574.7★ (27)11 mi
37Viva El Volt Electrical Services Inc575.0★ (5)3 mi
38NexGen HVAC & Plumbing574.6★ (507)In Ontario
39Cruz Electrical575.0★ (5)3 mi
40Gehl Electric Inc575.0★ (59)17 mi
41Infiniti Electric, Inc.575.0★ (43)16 mi
42Big Sky Electric575.0★ (4)3 mi
43Tobin Electrician574.9★ (30)14 mi
44West Coast Current575.0★ (8)7 mi
45Bright Works Electric, INC.574.8★ (6)5 mi
46Express Electrical Services574.8★ (229)25 mi
47POWER PRO ELECTRIC & SOLAR574.9★ (148)24 mi
48Pro Status Electric | Hablamos Español575.0★ (20)12 mi
49Service Hero Plumbing, HVAC, and Electrical574.8★ (1,840)22 mi
50Service Lion Plumbing Heating Air Electric574.7★ (1,173)18 mi

How we ranked emergency electricians in Ontario

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency electricians in Ontario: questions

Which electricians in Ontario are open 24/7?

25 on this list post 24/7 hours, including All Pro Cooling, Heating, Plumbing & Electrical, DMT Electric, Safe-Way Electric, Accurate Electric, Plumbing, Heating and Air and cat electric inc..

Who is ranked #1 for emergency electrical work in Ontario, CA?

All Pro Cooling, Heating, Plumbing & Electrical is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency electricians in Ontario ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the electrician arrives?

Sparks, smoke or a burning smell: leave the room and call 911. Never touch a fallen power line; call your utility.

How many emergency electricians here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Ontario

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

More emergency and electrical work pages