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Best plumbers in Thornton, CO

The highest-scoring plumber in and near Thornton is Jim Needham Heating Cooling Plumbing and Drain (score 83, 4.9 stars from 6,750 Google reviews). 86 companies meet the 5 Star standard within 25 km; the top 30 are ranked below.

Last updated Sep 25, 2026How we rank
  1. 1

    Jim Needham Heating Cooling Plumbing and Drain

    4.9 · 6,750 Google reviewsThornton, CO
    83SCORE
    (720) 507-9704 WebsiteFull profile
  2. 2

    TYCO Plumbing

    5.0 · 942 Google reviewsBroomfield, CO
    83SCORE
    (720) 463-0589 WebsiteFull profile
  3. 3

    Colorado Home Services

    5.0 · 928 Google reviewsLakewood, CO
    83SCORE
    (303) 986-5764 WebsiteFull profile
  4. 4

    Plumbline Services

    4.9 · 2,233 Google reviewsArvada, CO
    82SCORE
    (303) 436-2525 WebsiteFull profile
  5. 5

    Tri Peaks Air

    5.0 · 627 Google reviewsWheat Ridge, CO
    82SCORE
    (720) 316-7392 WebsiteFull profile
  6. 6

    Big Apple Plumbing LLC - Broomfield, CO

    5.0 · 579 Google reviewsBroomfield, CO
    82SCORE
    (720) 500-7145 WebsiteFull profile
  7. 7

    Rooterguy llc

    4.9 · 1,328 Google reviewsDenver, CO
    80SCORE
    (720) 690-1173 WebsiteFull profile
  8. 8

    Just In Time Electrical & Plumbing

    4.9 · 1,315 Google reviewsThornton, CO
    80SCORE
    (303) 625-7625 WebsiteFull profile
  9. 9

    Midwest Plumbing Co. LLC

    5.0 · 335 Google reviewsWestminster, CO
    79SCORE
    (720) 648-0613 WebsiteFull profile
  10. 10

    Speed plumbing

    5.0 · 263 Google reviewsDenver, CO
    79SCORE
    (720) 670-6361 WebsiteFull profile
  11. 11

    Applewood Plumbing Heating & Electric

    4.8 · 17,793 Google reviewsDenver, CO
    78SCORE
    (303) 444-1633 WebsiteFull profile
  12. 12

    Precision Plumbing Heating Cooling Electric

    4.8 · 4,455 Google reviewsLouisville, CO
    78SCORE
    (720) 603-1309 WebsiteFull profile
  13. 13

    Blue Sky Plumbing, Heating, Cooling & Electric

    4.8 · 4,428 Google reviewsWheat Ridge, CO
    78SCORE
    (303) 238-5900 WebsiteFull profile
  14. 14

    Absolute Plumbing, Electrical, Heating & Air

    4.8 · 3,973 Google reviewsDenver, CO
    78SCORE
    (720) 954-2939 WebsiteFull profile
  15. 15

    Swan Plumbing, Heating & Air of Denver

    4.8 · 3,843 Google reviewsCommerce City, CO
    78SCORE
    (720) 727-6479 WebsiteFull profile
  16. 16
    78SCORE
    (303) 529-9771 WebsiteFull profile
  17. 17

    A Better Plumber (an Absolute Plumbing Company)

    4.8 · 3,329 Google reviewsDenver, CO
    78SCORE
    (720) 579-8133 WebsiteFull profile
  18. 18

    Heart Heating, Cooling, Plumbing & Electric

    4.8 · 3,282 Google reviewsDenver, CO
    78SCORE
    (720) 712-0649 WebsiteFull profile
  19. 19

    Benjamin Franklin Plumbing of Denver

    4.8 · 3,156 Google reviewsWestminster, CO
    78SCORE
    (720) 464-6204 WebsiteFull profile
  20. 20

    High 5 Plumbing, Heating, Cooling & Electric

    4.7 · 2,904 Google reviewsDenver, CO14 years in business
    Emergency serviceFinancing available
    78SCORE
    (720) 340-3843 WebsiteFull profile
  21. 21

    Mr. Rooter Plumbing of Denver

    4.8 · 2,764 Google reviewsAurora, CO
    78SCORE
    (303) 562-1519 WebsiteFull profile
  22. 22

    Mr. Perfect Plumbing

    5.0 · 252 Google reviewsDenver, CO
    78SCORE
    (720) 928-9330 WebsiteFull profile
  23. 23

    Squeaks Services Plumbing Heating & Air - Denver

    4.8 · 1,990 Google reviewsDenver, CO
    77SCORE
    (303) 280-5765 WebsiteFull profile
  24. 24

    Veteran Heating, Cooling, Plumbing & Electric

    4.9 · 538 Google reviewsDenver, CO
    77SCORE
    (720) 594-6631 WebsiteFull profile
  25. 25

    Major Heating and Air Conditioning

    4.9 · 475 Google reviewsWheat Ridge, CO
    77SCORE
    (720) 856-4848 WebsiteFull profile
  26. 26

    Triple J Plumbing Colorado

    5.0 · 193 Google reviewsBrighton, CO
    77SCORE
    (303) 918-2989 WebsiteFull profile
  27. 27

    Roto-Rooter Plumbing & Water Cleanup

    4.8 · 1,570 Google reviewsArvada, CO
    76SCORE
    (303) 242-3714 WebsiteFull profile
  28. 28

    Salzano Services

    5.0 · 384 Google reviewsDenver, CO
    76SCORE
    (720) 743-2726 WebsiteFull profile
  29. 29

    Spartan Plumbing

    4.9 · 376 Google reviewsArvada, CO
    76SCORE
    (720) 900-3192 WebsiteFull profile
  30. 30

    GK Plumbing

    5.0 · 222 Google reviewsNorthglenn, CO
    76SCORE
    (720) 525-7546 WebsiteFull profile

Compare the top 10

Top plumbers in Thornton by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Jim Needham Heating Cooling Plumbing and Drain834.96,750–Thornton
2TYCO Plumbing835.0942–Broomfield
3Colorado Home Services835.0928–Lakewood
4Plumbline Services824.92,233–Arvada
5Tri Peaks Air825.0627–Wheat Ridge
6Big Apple Plumbing LLC - Broomfield, CO825.0579–Broomfield
7Rooterguy llc804.91,328–Denver
8Just In Time Electrical & Plumbing804.91,315–Thornton
9Midwest Plumbing Co. LLC795.0335–Westminster
10Speed plumbing795.0263–Denver

Plumbers in Thornton: quick answers

Who is the highest-rated plumber in Thornton, CO?

Jim Needham Heating Cooling Plumbing and Drain has the highest 5 Star Score among plumbers in and near Thornton: 83 out of 100, with a 4.9 star Google rating from 6,750 reviews.

How many 5 Star plumbers serve Thornton?

86 plumbers meet our standard within 25 km of Thornton: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 75,038 Google reviews between them, averaging 4.89 stars.

How are these plumbers 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.

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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.