Best plumbers in Rockville, MD

The highest-scoring plumber in and near Rockville is GAC Services (score 90, 4.9 stars from 7,927 Google reviews). 34 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

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

    GAC Services

    4.9 · 7,927 Google reviewsGaithersburg, MD56 years in business

    GAC Services is a family-owned and operated HVAC, plumbing, and electrical company that has served Maryland since 1970. The company works with residential and commercial customers in Gaithersburg and across Montgomery…

    Emergency serviceFinancing available
    90SCORE
  2. 2

    Len The Plumber Heating & Air, LLC

    4.9 · 2,579 Google reviewsBeltsville, MD

    Len The Plumber Heating & Air, LLC provides plumbing, drain, sewer, air conditioning, and heating services in the Washington, D.C. area. The company performs repair, replacement, and maintenance for home plumbing and…

    Emergency service
    82SCORE
  3. 3

    Chandler's Plumbing & Heating

    4.9 · 1,085 Google reviewsFalls Church, VA
    80SCORE
  4. 4

    Roto-Rooter Plumbing & Water Cleanup

    4.9 · 1,192 Google reviewsMcLean, VA
    79SCORE
  5. 5
    78SCORE
  6. 6

    Cherry Blossom Plumbing

    4.9 · 639 Google reviewsArlington, VA
    78SCORE
  7. 7

    Brian B. Quick Plumbing

    4.8 · 2,069 Google reviewsBeltsville, MD
    77SCORE
  8. 8

    Mayco Andrade Plumbing

    4.9 · 526 Google reviewsFalls Church, VA
    77SCORE
  9. 9

    Service Force Plumbing

    4.9 · 468 Google reviewsSilver Spring, MD
    77SCORE
  10. 10

    Metro Services HVAC

    4.9 · 421 Google reviewsGaithersburg, MD7 years in business
    Emergency serviceFinancing available
    76SCORE
  11. 11

    United Service Specialists

    4.9 · 284 Google reviewsCollege Park, MD
    75SCORE
  12. 12

    F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

    4.7 · 6,914 Google reviewsRockville, MD
    74SCORE
  13. 13

    B.L. James & Son

    4.9 · 431 Google reviewsArlington, VA
    74SCORE
  14. 14

    Castro Electrical Services

    4.8 · 487 Google reviewsRockville, MD
    73SCORE
  15. 15

    Sila Heating, Air Conditioning & Plumbing

    4.7 · 1,762 Google reviewsBeltsville, MD
    72SCORE
  16. 16

    Vito Services

    4.7 · 1,535 Google reviewsRockville, MD
    72SCORE
  17. 17

    Benjamin Franklin Plumbing of Silver Spring

    4.8 · 463 Google reviewsSilver Spring, MD
    72SCORE
  18. 18

    Thomas E Clark Inc

    4.8 · 342 Google reviewsSilver Spring, MD
    71SCORE
  19. 19

    PipeWorks Plumbing, Heating and Air

    4.9 · 416 Google reviewsBethesda, MD
    70SCORE
  20. 20

    Argent Heating Cooling and Plumbing

    4.7 · 473 Google reviewsFairfax, VA
    69SCORE
  21. 21

    Haynes Plumbing

    4.8 · 209 Google reviewsWashington, DC
    69SCORE
  22. 22

    B. Alexander’s Home Improvement

    5.0 · 71 Google reviewsWashington, DC
    69SCORE
  23. 23

    Catons Plumbing, Drains & Water Cleanup

    4.8 · 318 Google reviewsSilver Spring, MD
    67SCORE
  24. 24

    Sky Plumbing

    4.9 · 177 Google reviewsRockville, MD
    66SCORE
  25. 25

    Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical

    4.7 · 328 Google reviewsSilver Spring, MD
    65SCORE
  26. 26

    Plumber Services & Solutions of Bethesda

    5.0 · 84 Google reviewsBethesda, MD
    65SCORE
  27. 27

    Nesheli construction Co.

    5.0 · 53 Google reviews
    65SCORE
  28. 28

    Fry Plumbing, Heating And Air Conditioning Corp.

    4.8 · 109 Google reviewsWashington, DC
    64SCORE
  29. 29

    Chris & Son Plumbing

    4.8 · 61 Google reviewsKensington, MD
    64SCORE
  30. 30
    64SCORE

Compare the top 10

Top plumbers in Rockville by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1GAC Services904.97,92756Gaithersburg
2Len The Plumber Heating & Air, LLC824.92,579–Beltsville
3Chandler's Plumbing & Heating804.91,085–Falls Church
4Roto-Rooter Plumbing & Water Cleanup794.91,192–McLean
5Save The Day Plumbing & Drain Cleaning LLC784.9746–
6Cherry Blossom Plumbing784.9639–Arlington
7Brian B. Quick Plumbing774.82,069–Beltsville
8Mayco Andrade Plumbing774.9526–Falls Church
9Service Force Plumbing774.9468–Silver Spring
10Metro Services HVAC764.94217Gaithersburg

Plumbers in Rockville: quick answers

Who is the highest-rated plumber in Rockville, MD?

GAC Services has the highest 5 Star Score among plumbers in and near Rockville: 90 out of 100, with a 4.9 star Google rating from 7,927 reviews.

How many 5 Star plumbers serve Rockville?

34 plumbers meet our standard within about 16 miles of Rockville: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 32,227 Google reviews between them, averaging 4.85 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.

Plumbers near Rockville

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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.