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ContractorsRanked

Best Plumbers in Lake Forest, CA (2026)

977 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Lake Forest: Olson Superior Plumbing, CR Score 95/100; 4.9★ from 2,764 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Drain Town Rooter, posts 24/7 hours; ranked #2 of 977.

  3. 11

    Most-reviewed: Barker and Sons Plumbing & Rooter, 3,896 Google reviews at 4.8★, the most of 977 ranked; ranked #11.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

977 Lake Forest plumbers are ranked here by CR Score, from 8 published factors. 483 are open 24/7, 771 open Saturdays and 599 open Sundays, based on posted hours. The median Google rating is 5.0★ across 977 rated businesses.

Top 10 plumbers in Lake Forest at a glance

Top 10 plumbers in Lake Forest at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Olson Superior Plumbing954.9★ (2,764)Lake Forest24/7Overall
2Drain Town Rooter945.0★ (1,231)Mission Viejo, 2 mi away24/7Emergencies
3Pristine Plumbing Inc944.9★ (1,912)Irvine, 3 mi away24/7—
4Zoom Drain935.0★ (649)Irvine, 2 mi away24/7—
5Swift Water Heater935.0★ (522)Mission Viejo, 2 mi away24/7—
6Orange Coast Plumbing935.0★ (512)Aliso Viejo, 2 mi away24/7—
7Patriot Plumbing & Rooter925.0★ (321)Irvine, 3 mi away24/7—
8Roto-Rooter Plumbing & Water Cleanup924.8★ (1,016)Aliso Viejo, 4 mi away24/7—
9Biard & Crockett Plumbing, Heating, and Air Conditioning904.9★ (1,715)Orange, 15 mi away24/7—
10Repipe1904.8★ (332)Irvine, 2 mi away24/7—

The 977 best plumbers in Lake Forest, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 Drain Town Rooter

    Based in Mission Viejo, 2 mi away

    94/100CR Score

    Ranked #2 because of its Google rating and availability: 5.0★ from 1,231 Google reviews, open 24/7.

    • 5.0★ from 1,231 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    23342 Madero Suite F, Mission Viejo, CA 92691
    View profile for Drain Town Rooter(949) 989-4728

  4. #4 Zoom Drain

    Based in Irvine, 2 mi away

    93/100CR Score

    Ranked #4 because of its Google rating and availability: 5.0★ from 649 Google reviews, open 24/7.

    • 5.0★ from 649 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15540 Rockfield Blvd C100, Irvine, CA 92618
    View profile for Zoom Drain(949) 619-6769

  5. #5 Swift Water Heater

    Based in Mission Viejo, 2 mi away

    93/100CR Score

    Ranked #5 because of its Google rating and availability: 5.0★ from 522 Google reviews, open 24/7.

    • 5.0★ from 522 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    23891 Via Fabricante Suite 613, Mission Viejo, CA 92691
    View profile for Swift Water Heater(949) 272-8409

  10. #10 Repipe1

    Based in Irvine, 2 mi away

    90/100CR Score

    Ranked #10 because of its Google rating and availability: 4.8★ from 332 Google reviews, open 24/7.

    • 4.8★ from 332 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6 McLaren A, Irvine, CA 92618
    View profile for Repipe1(866) 737-4731

  12. #12 Parzival Plumbing

    Based in Costa Mesa, 13 mi away

    90/100CR Score

    Ranked #12 because of its Google rating and availability: 4.9★ from 1,014 Google reviews, open 24/7.

    • 4.9★ from 1,014 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1245 Logan Ave B, Costa Mesa, CA 92626
    View profile for Parzival Plumbing(949) 245-1450

Plumbers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 977 ranked plumbers here; the rest are on their profiles.

plumbers in Lake Forest, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26THE Water Heater Company895.0★ (188)11 mi
27Triton Air & Plumbing894.8★ (1,069)In Lake Forest
28Orange Coast Plumbing895.0★ (435)17 mi
29Monkey Wrench Plumbing, Heating, Air & Electric885.0★ (175)12 mi
30Rooter Hero Plumbing & Air of Anaheim884.8★ (1,233)17 mi
31David Brothers Plumbing LLC884.8★ (131)In Lake Forest
32Iron Mountain Plumbing885.0★ (310)16 mi
33Night Owl Plumbing & Rooter885.0★ (133)11 mi
34Plumbing Heating & Air Solutions884.9★ (162)5 mi
35Orange Coast Plumbing884.9★ (454)16 mi
36Bluewater Plumbing & Drain Co.885.0★ (97)10 mi
37Mr. Rooter Plumbing of Orange County884.9★ (560)18 mi
38OVC Plumbing & Drain884.9★ (227)13 mi
39Oasis Plumber's885.0★ (77)4 mi
40Roto-Rooter Plumbing & Water Cleanup884.8★ (936)18 mi
41DC Drains & Plumbing884.9★ (342)16 mi
42LoMonaco Coast Plumbing & Pipelining884.9★ (274)14 mi
43Orange Coast Plumbing884.9★ (415)17 mi
44Plumbing Concepts, Inc.884.9★ (442)17 mi
45Wish Granted Plumbing885.0★ (292)18 mi
46Amazing Force Plumbing & Backflow LLC885.0★ (322)19 mi
47J's Plumbing885.0★ (207)16 mi
48The Passionate Plumber884.9★ (401)17 mi
49Bill Metzger Plumbing884.9★ (2,185)14 mi
50Payless Water Heaters & Plumbing874.9★ (303)16 mi

Also serving Lake Forest

20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked plumbers serving Lake Forest
BusinessGoogle ratingDistance
1st Choice Plumbing5.0★ (2)5 mi
24 Hour Restoration & Construction5.0★ (2)5 mi
Acute Plumbing LLC5.0★ (65)5 mi
AW & Sons Plumbing San Clemente4.9★ (155)9 mi
BFS Plumbing Inc.5.0★ (2)In Lake Forest
Comfort Air4.8★ (41)In Lake Forest
Doss Plumbing Co.3.0★ (2)5 mi
Emergency Mold Restoration of Orange CountyIn Lake Forest
Jamison Plumbing and Air5.0★ (1)In Lake Forest
Jim & Sons Plumbing & Rooter5.0★ (750)24 mi
Legacy Pro Plumbing5.0★ (2)5 mi
Little Ducks Plumbing5.0★ (2)5 mi
Maxpro Electric5.0★ (2)In Lake Forest
MMR PLUMBINGIn Lake Forest
Morrow Plumbing Service, Inc5.0★ (2)4 mi
One Time Plumbing5.0★ (2)5 mi
Palisades Plumbing5.0★ (2)5 mi
Sal Cal plumbing and Drain5.0★ (2)5 mi
Samy's Plumbing5.0★ (2)5 mi
Trademark Residential Services5.0★ (2)5 mi

How much do plumbers cost in Lake Forest?

National price ranges in USD, not adjusted for Lake Forest. Each row names its basis and the month we checked it.

How much do plumbers cost in Lake Forest?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026

How to check a plumber's license in California

In California, Contractors State License Board (CSLB) licenses C-36 Plumbing contractor license.

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

How we ranked Lake Forest plumbers

We scored 977 Lake Forest plumbers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Lake Forest data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Lake Forest: frequently asked questions

Who is the best plumber in Lake Forest?

By CR Score, the highest-ranked plumber in Lake Forest, CA is Olson Superior Plumbing with a CR Score of 95/100. It has 4.9★ from 2,764 Google reviews. It is open 24/7. Drain Town Rooter (#2) and Pristine Plumbing Inc (#3) follow. We ranked 977 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Lake Forest?

ContractorsRanked ranks 977 plumbers serving Lake Forest, CA. 5 of them are based in Lake Forest; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Lake Forest are open 24/7?

483 ranked plumbers in Lake Forest post 24/7 hours. The highest-ranked are Olson Superior Plumbing (#1), Drain Town Rooter (#2) and Pristine Plumbing Inc (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Lake Forest work on weekends?

771 of 977 ranked plumbers post Saturday hours and 599 post Sunday hours. The highest-ranked open Saturdays are Olson Superior Plumbing (#1), Drain Town Rooter (#2) and Pristine Plumbing Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-36 Plumbing contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does water heater replacement cost in Lake Forest?

Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Lake Forest. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Lake Forest plumbers have?

The median Google rating among 977 rated plumbers in Lake Forest is 5.0★, with a median of 21 reviews. Barker and Sons Plumbing & Rooter has the most, 3,896 reviews, and ranks #11. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank plumbers?

Each plumber gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Lake Forest

  1. October 2026: CR Scores recalculated for 977 plumbers serving Lake Forest.
  2. October 2026: 14 duplicate listings merged.

More plumbers and Lake Forest pages

Other trades in Lake Forest