Best electricians in Diamond Bar, CA

The highest-scoring electrician in and near Diamond Bar is All City Plumbing, Air & Electrical (score 81, 5.0 stars from 1,915 Google reviews). 29 companies meet the 5 Star standard within about 16 miles.

Last updated Nov 9, 2026How we rank
  1. 1

    All City Plumbing, Air & Electrical

    5.0 · 1,915 Google reviewsAnaheim, CA
    81SCORE
  2. 2

    Smartchoice Air Conditioning, Heating & Electrical

    4.9 · 614 Google reviewsFullerton, CA9 years in business

    Smartchoice Air Conditioning, Heating & Electrical serves Fullerton and communities across Orange County with HVAC and electrical work. Family-owned since 2017, the company repairs, installs, and maintains air conditi…

     Owner verified
    80SCORE
  3. 3

    DMT Electric

    5.0 · 375 Google reviewsUpland, CA
    80SCORE
  4. 4

    Martin's Electrical & Lighting Company

    5.0 · 316 Google reviewsSan Dimas, CA
    80SCORE
  5. 5

    Monkey Wrench Plumbing, Heating, Air & Electric

    5.0 · 191 Google reviewsBrea, CA
    77SCORE
  6. 6

    Clear View Electrical Services

    4.9 · 336 Google reviewsWhittier, CA
    76SCORE
  7. 7

    Mr. Electric of Ontario

    5.0 · 255 Google reviewsOntario, CA
    75SCORE
  8. 8

    Spot On Heating, Air, Plumbing & Electrical

    4.9 · 545 Google reviewsWhittier, CA
    74SCORE
  9. 9

    JCOR Plumbing & General Contractor

    5.0 · 174 Google reviewsAnaheim, CA
    74SCORE
  10. 10

    AR Electric Inc.

    5.0 · 102 Google reviewsCovina, CA
    74SCORE
  11. 11

    NexGen HVAC & Plumbing

    4.7 · 2,460 Google reviewsAnaheim, CA
    73SCORE
  12. 12

    Service Lion Plumbing Heating Air Electric

    4.7 · 1,439 Google reviewsOrange, CA
    72SCORE
  13. 13

    Most Valuable Plumber

    4.9 · 242 Google reviewsOrange, CA
    70SCORE
  14. 14

    Just Electric

    4.7 · 640 Google reviewsCovina, CA
    68SCORE
  15. 15

    Potter Electric Inc.

    5.0 · 126 Google reviewsRancho Cucamonga, CA
    68SCORE
  16. 16

    Foutz Electric LLC

    4.9 · 116 Google reviewsNorco, CA
    68SCORE
  17. 17

    James Thompson Electric

    5.0 · 33 Google reviewsFullerton, CA
    68SCORE
  18. 18

    Service Hero Plumbing, HVAC, and Electrical

    4.8 · 1,848 Google reviewsOrange, CA
    67SCORE
  19. 19

    The Volt Masters

    4.8 · 159 Google reviewsAnaheim, CA
    67SCORE
  20. 20

    New Quest Electric, Inc

    4.8 · 98 Google reviewsMontclair, CA
    67SCORE
  21. 21

    Safe-Way Electric

    4.9 · 436 Google reviewsChino, CA
    66SCORE
  22. 22

    First Electric

    4.9 · 70 Google reviewsLa Mirada, CA
    66SCORE
  23. 23

    FWC LLC

    5.0 · 26 Google reviewsPlacentia, CA
    66SCORE
  24. 24

    Steve Cavenee Electric

    4.9 · 442 Google reviewsOrange, CA
    65SCORE
  25. 25

    Mike Diamond Plumbing, HVAC & Electrical

    4.7 · 236 Google reviewsAnaheim, CA
    64SCORE
  26. 26

    MG Electrical Services Inc

    5.0 · 110 Google reviewsGlendora, CA
    63SCORE
  27. 27

    ROC ELECTRIC

    5.0 · 37 Google reviewsWhittier, CA
    62SCORE
  28. 28

    Northstar Plumbing, Heating and Air Conditioning

    4.7 · 337 Google reviewsOntario, CA
    61SCORE
  29. 29

    Image Electric

    5.0 · 47 Google reviewsBuena Park, CA
    60SCORE

We list only companies that clear our published bar, so this area is still filling in. As more electricians near Diamond Bar qualify, they'll appear here automatically.

Compare the top 10

Top electricians in Diamond Bar by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1All City Plumbing, Air & Electrical815.01,915–Anaheim
2Smartchoice Air Conditioning, Heating & Electrical804.96149Fullerton
3DMT Electric805.0375–Upland
4Martin's Electrical & Lighting Company805.0316–San Dimas
5Monkey Wrench Plumbing, Heating, Air & Electric775.0191–Brea
6Clear View Electrical Services764.9336–Whittier
7Mr. Electric of Ontario755.0255–Ontario
8Spot On Heating, Air, Plumbing & Electrical744.9545–Whittier
9JCOR Plumbing & General Contractor745.0174–Anaheim
10AR Electric Inc.745.0102–Covina

Electricians in Diamond Bar: quick answers

Who is the highest-rated electrician in Diamond Bar, CA?

All City Plumbing, Air & Electrical has the highest 5 Star Score among electricians in and near Diamond Bar: 81 out of 100, with a 5.0 star Google rating from 1,915 reviews.

How many 5 Star electricians serve Diamond Bar?

29 electricians meet our standard within about 16 miles of Diamond Bar: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 29 have 13,725 Google reviews between them, averaging 4.90 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 Diamond Bar

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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.