Best plumbers in Lake Forest, CA

The highest-scoring plumber in and near Lake Forest is Dial One Sonshine Heating, Air & Plumbing (score 90, 4.9 stars from 3,009 Google reviews). 41 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

    Dial One Sonshine Heating, Air & Plumbing

    4.9 · 3,009 Google reviewsSanta Ana, CA45 years in business

    Dial One Sonshine Heating, Air & Plumbing provides HVAC, plumbing, and indoor air quality services for Orange County homeowners. The company has served the area since 1981. Its technicians handle air conditioning and…

    Financing availableEmergency service
    90SCORE
  2. 2

    Biard & Crockett Plumbing, Heating, and Air Conditioning

    4.9 · 2,054 Google reviewsOrange, CA66 years in business

    Biard & Crockett Plumbing, Heating, and Air Conditioning has served Orange County communities since 1960. The company began as a plumbing business established by John Biard and Dave Crockett and later expanded into he…

    89SCORE
  3. 3

    JustinTime Plumbing Heating and Air

    4.9 · 1,590 Google reviewsCosta Mesa, CA22 years in business

    JustinTime Plumbing Heating and Air serves residential, commercial, and industrial clients in Costa Mesa and throughout Orange County. The company has provided plumbing, heating, and air services since 2004 and states…

    Financing availableEmergency service
    88SCORE
  4. 4

    Moffett Plumbing & Air

    4.9 · 1,445 Google reviewsOrange, CA57 years in business

    Moffett Plumbing & Air is a family-owned and operated plumbing and HVAC company serving Orange County, California, since 1969. Its plumbing work includes installation and repair, drain cleaning, leak detection, sewer…

    Financing availableEmergency service
    88SCORE
  5. 5

    Olson Superior Plumbing

    4.9 · 3,408 Google reviewsLake Forest, CA10 years in business

    Olson Superior Plumbing provides residential and commercial plumbing services across Orange County from its Lake Forest headquarters. The family-owned company states that it has operated since 2016 and offers same-day…

    Emergency service
    85SCORE
  6. 6

    Swift Water Heater

    5.0 · 601 Google reviewsMission Viejo, CA

    Swift Water Heater specializes in water heater repair, replacement, and installation across Orange, LA, and Riverside counties. The locally owned, family-owned company is operated by Southern California resident Jay B…

    Emergency service
    82SCORE
  7. 7

    Drain Town Rooter

    4.9 · 1,698 Google reviewsMission Viejo, CA

    Drain Town Rooter provides residential and commercial plumbing services from its Mission Viejo and Corona offices. The company serves Orange, Los Angeles, Riverside, and San Bernardino counties, handling drain cleanin…

    Emergency service
    81SCORE
  8. 8

    Saddleback Plumbing Heating & Air

    4.8 · 768 Google reviewsLake Forest, CA45 years in business
    Emergency serviceFinancing available
    80SCORE
  9. 9

    THE Water Heater Company

    5.0 · 382 Google reviewsSanta Ana, CA
    80SCORE
  10. 10

    Orange Coast Plumbing

    4.9 · 1,280 Google reviewsSanta Ana, CA
    79SCORE
  11. 11

    Coast Plumbing, Heating & Air, Inc.

    4.9 · 669 Google reviewsFountain Valley, CA
    78SCORE
  12. 12

    Pristine Plumbing Inc

    4.9 · 1,934 Google reviewsIrvine, CA
    77SCORE
  13. 13

    Water Heaters Only, Inc

    4.9 · 633 Google reviewsOrange, CA
    76SCORE
  14. 14

    Roto-Rooter Plumbing & Water Cleanup

    4.9 · 586 Google reviewsOrange, CA
    76SCORE
  15. 15

    Speedy Water Heaters

    5.0 · 241 Google reviewsSanta Ana, CA
    76SCORE
  16. 16

    VIP Sewer and Drain Services, Inc

    4.9 · 557 Google reviewsIrvine, CA
    75SCORE
  17. 17

    MAYDAY Heating and Air Conditioning Irvine

    4.9 · 348 Google reviewsIrvine, CA
    75SCORE
  18. 18

    John Stevenson Plumbing, Heating & Air Conditioning

    4.8 · 812 Google reviewsLake Forest, CA
    74SCORE
  19. 19

    At House

    4.9 · 168 Google reviewsIrvine, CA
    73SCORE
  20. 20

    Service Lion Plumbing Heating Air Electric

    4.7 · 1,439 Google reviewsOrange, CA
    72SCORE
  21. 21

    Just Right Services Plumbing, Heating and Air Conditioning

    4.9 · 1,057 Google reviewsLaguna Hills, CA
    72SCORE
  22. 22

    Universal Plumbing, Heating, and Air

    4.8 · 323 Google reviewsTustin, CA
    72SCORE
  23. 23

    Professional Plumbing Inc

    5.0 · 95 Google reviewsFountain Valley, CA
    72SCORE
  24. 24

    Positive Plumbing, Heating & AC Repair

    4.9 · 167 Google reviewsIrvine, CA
    71SCORE
  25. 25

    Most Valuable Plumber

    4.9 · 242 Google reviewsOrange, CA
    70SCORE
  26. 26

    Pristine Air Conditioning, Heating & Plumbing

    4.9 · 453 Google reviewsCosta Mesa, CA
    69SCORE
  27. 27

    Renew Plumbing and Drains

    5.0 · 105 Google reviewsCorona, CA
    69SCORE
  28. 28

    All Plumbing Services 714

    5.0 · 50 Google reviews
    69SCORE
  29. 29

    Crowns Plumbing

    5.0 · 47 Google reviewsTustin, CA
    68SCORE
  30. 30

    Service Hero Plumbing, HVAC, and Electrical

    4.8 · 1,848 Google reviewsOrange, CA
    67SCORE

Compare the top 10

Top plumbers in Lake Forest by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Dial One Sonshine Heating, Air & Plumbing904.93,00945Santa Ana
2Biard & Crockett Plumbing, Heating, and Air Conditioning894.92,05466Orange
3JustinTime Plumbing Heating and Air884.91,59022Costa Mesa
4Moffett Plumbing & Air884.91,44557Orange
5Olson Superior Plumbing854.93,40810Lake Forest
6Swift Water Heater825.0601–Mission Viejo
7Drain Town Rooter814.91,698–Mission Viejo
8Saddleback Plumbing Heating & Air804.876845Lake Forest
9THE Water Heater Company805.0382–Santa Ana
10Orange Coast Plumbing794.91,280–Santa Ana

Plumbers in Lake Forest: quick answers

Who is the highest-rated plumber in Lake Forest, CA?

Dial One Sonshine Heating, Air & Plumbing has the highest 5 Star Score among plumbers in and near Lake Forest: 90 out of 100, with a 4.9 star Google rating from 3,009 reviews.

How many 5 Star plumbers serve Lake Forest?

41 plumbers meet our standard within about 16 miles of Lake Forest: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 28,009 Google reviews between them, averaging 4.90 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.