Best electricians in Ontario, CA

The highest-scoring electrician in and near Ontario is DMT Electric (score 80, 5.0 stars from 375 Google reviews). 20 companies meet the 5 Star standard within about 16 miles.

Last updated Nov 1, 2026How we rank
  1. 1

    DMT Electric

    5.0 · 375 Google reviewsUpland, CA
    80SCORE
  2. 2

    All City Plumbing, Air & Electrical

    5.0 · 333 Google reviewsRiverside, CA
    80SCORE
  3. 3

    Martin's Electrical & Lighting Company

    5.0 · 316 Google reviewsSan Dimas, CA
    80SCORE
  4. 4

    All Pro Cooling, Heating, Plumbing & Electrical

    4.8 · 9,281 Google reviewsOntario, CA
    78SCORE
  5. 5

    All Lights Electrical Service

    5.0 · 138 Google reviewsRiverside, CA28 years in business
    76SCORE
  6. 6

    Mr. Electric of Ontario

    5.0 · 255 Google reviewsOntario, CA
    75SCORE
  7. 7

    Golden Power Electric

    4.9 · 247 Google reviewsRiverside, CA
    75SCORE
  8. 8

    Specialized Creative Power Electrical

    5.0 · 89 Google reviewsCorona, CA
    73SCORE
  9. 9

    Potter Electric Inc.

    5.0 · 126 Google reviewsRancho Cucamonga, CA
    68SCORE
  10. 10

    Foutz Electric LLC

    4.9 · 116 Google reviewsNorco, CA
    68SCORE
  11. 11

    Infiniti Electric, Inc.

    5.0 · 58 Google reviewsRiverside, CA
    68SCORE
  12. 12

    Big Ben Electric

    4.9 · 47 Google reviewsCorona, CA
    68SCORE
  13. 13

    Diamond Electric

    5.0 · 36 Google reviewsRiverside, CA
    68SCORE
  14. 14

    New Quest Electric, Inc

    4.8 · 98 Google reviewsMontclair, CA
    67SCORE
  15. 15

    Safe-Way Electric

    4.9 · 436 Google reviewsChino, CA
    66SCORE
  16. 16

    Zobel Electric

    4.9 · 97 Google reviewsRiverside, CA
    66SCORE
  17. 17

    Expressway Electric

    5.0 · 90 Google reviewsBloomington, CA
    66SCORE
  18. 18

    NexGen HVAC & Plumbing

    4.6 · 611 Google reviewsOntario, CA
    65SCORE
  19. 19

    MG Electrical Services Inc

    5.0 · 110 Google reviewsGlendora, CA
    63SCORE
  20. 20

    Northstar Plumbing, Heating and Air Conditioning

    4.7 · 337 Google reviewsOntario, CA
    61SCORE

Compare the top 10

Top electricians in Ontario by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1DMT Electric805.0375–Upland
2All City Plumbing, Air & Electrical805.0333–Riverside
3Martin's Electrical & Lighting Company805.0316–San Dimas
4All Pro Cooling, Heating, Plumbing & Electrical784.89,281–Ontario
5All Lights Electrical Service765.013828Riverside
6Mr. Electric of Ontario755.0255–Ontario
7Golden Power Electric754.9247–Riverside
8Specialized Creative Power Electrical735.089–Corona
9Potter Electric Inc.685.0126–Rancho Cucamonga
10Foutz Electric LLC684.9116–Norco

Electricians in Ontario: quick answers

Who is the highest-rated electrician in Ontario, CA?

DMT Electric has the highest 5 Star Score among electricians in and near Ontario: 80 out of 100, with a 5.0 star Google rating from 375 reviews.

How many 5 Star electricians serve Ontario?

20 electricians meet our standard within about 16 miles of Ontario: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 20 have 13,196 Google reviews between them, averaging 4.92 stars.

How are these electricians ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

Electricians near Ontario

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.