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ContractorsRanked

Best Plumbers in Lake Forest, IL (2026)

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

The short answer

  1. 1

    Best overall in Lake Forest: S and J Plumbing & Sewer, CR Score 91/100; 4.9★ from 3,937 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 694.

  3. 20

    Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 694 ranked; ranked #20.

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

694 Lake Forest plumbers are ranked here by CR Score, from 8 published factors. 315 are open 24/7, 485 open Saturdays and 370 open Sundays, based on posted hours. The median Google rating is 4.9★ across 694 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
1S and J Plumbing & Sewer914.9★ (3,937)Arlington Heights, 12 mi away24/7Overall
2Roto-Rooter Plumbing & Water Cleanup904.9★ (2,373)Arlington Heights, 12 mi away24/7Emergencies
3Roto-Rooter Plumbing & Water Cleanup904.8★ (2,118)Waukegan, 9 mi away24/7—
4Fly Plumbing904.9★ (994)Wheeling, 10 mi away24/7—
5Drain & Plumbing Services895.0★ (273)Northbrook, 8 mi away24/7—
6BMW Plumbing & Sewer894.9★ (384)Deerfield, 7 mi away24/7—
7Excellent Plumbing895.0★ (520)Lake Zurich, 12 mi away24/7—
8Drain & Plumbing Services894.9★ (140)Lake Bluff, 2 mi away24/7—
9Drain & Plumbing Services894.8★ (710)Wheeling, 9 mi away24/7—
10HT STRENGER Plumbing Inc.894.8★ (236)Lake Bluff, 4 mi away24/7—

The 694 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.

  4. #4 Fly Plumbing

    Based in Wheeling, 10 mi away

    90/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 994 Google reviews, open 24/7.

    • 4.9★ from 994 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    584 Chaddick Dr, Wheeling, IL 60090
    View profile for Fly Plumbing(847) 868-1444

  7. #7 Excellent Plumbing

    Based in Lake Zurich, 12 mi away

    89/100CR Score

    Ranked #7 because of its Google rating and availability: 5.0★ from 520 Google reviews, open 24/7.

    • 5.0★ from 520 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    785 Oakwood Rd Suite E101, Lake Zurich, IL 60047
    View profile for Excellent Plumbing(847) 868-1800

  16. #16 Excel Plumbing

    Based in Wheeling, 10 mi away

    88/100CR Score

    Ranked #16 because of its Google rating and availability: 4.8★ from 663 Google reviews, open 24/7.

    • 4.8★ from 663 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    661 Glenn Ave, Wheeling, IL 60090
    View profile for Excel Plumbing(847) 416-2169

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 694 ranked plumbers here; the rest are on their profiles.

plumbers in Lake Forest, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26JCB Plumbing, LLC874.9★ (452)16 mi
27AquaPro Plumbing875.0★ (166)14 mi
28TopTec Heating, Cooling, Plumbing & Electrical874.8★ (2,018)6 mi
29J. Blanton Plumbing, Sewer & Drain874.8★ (549)15 mi
30Andersen Plumbing & Sewer874.9★ (261)14 mi
31Ex-Stink Plumbing & Sewer874.9★ (639)19 mi
32Absolute Plumbing864.9★ (128)11 mi
33Elevate Plumbing865.0★ (206)16 mi
34J. Blanton Plumbing, Sewer & Drain864.8★ (700)17 mi
35Goode Plumbing864.9★ (596)20 mi
36Stellar Plumbing, Drains and Water Heaters864.9★ (391)18 mi
37MAS Plumbing, Inc.864.9★ (983)23 mi
38Roto-Rooter Plumbing & Water Cleanup864.9★ (1,119)23 mi
39Tidy Tank Plumbing, Sewer, and Septic864.9★ (1,127)24 mi
40Franzen Plumbing, Inc864.9★ (590)21 mi
41JOSH-ROOTER Plumbing and Sewer865.0★ (159)16 mi
42T And T Plumbing & Sewer864.7★ (184)9 mi
43Roto-Rooter Plumbing & Water Cleanup864.8★ (1,618)23 mi
44Cahill Plumbing, Sewer & Drain865.0★ (21)4 mi
45SPG Plumbing Northbrook864.9★ (861)8 mi
46Fly Plumbing865.0★ (95)14 mi
47Green Tech Plumbing Co.864.8★ (330)16 mi
48The Fair Plumber LLC864.9★ (156)14 mi
49Olympian Plumbing LLC864.9★ (223)17 mi
50J. Blanton Plumbing, Sewer & Drain864.9★ (205)17 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
360 Fix-it5.0★ (2)22 mi
A & H Plumbing & Heating Co5.0★ (2)17 mi
A-N-I mechanical5.0★ (2)19 mi
AP Plumbing Inc5.0★ (2)14 mi
David Brothers Heating And Cooling Inc3.0★ (2)21 mi
Drinka Plumbing5.0★ (2)7 mi
LakeForest PlumbingIn Lake Forest
LJ Brown Plumbing Service5.0★ (2)16 mi
Lucke Plumbing and Heating3.0★ (2)16 mi
Maximum Plumbing inc.4.9★ (104)11 mi
Michael Principe Plumbing Co5.0★ (2)22 mi
northern plumbing5.0★ (2)21 mi
Roto Rooster Plumbing and Drain Cleaning5.0★ (2)22 mi
Sabres Plumbing3.0★ (2)18 mi
SDI INC.5.0★ (2)16 mi
Solomon Plumbing5.0★ (2)11 mi
Speed Plumbing Sewer and Drainage Inc.5.0★ (2)15 mi
Wally Blanton Plumbing and Sewer4.7★ (887)18 mi
Water Tech Solutions LLC5.0★ (2)17 mi
Waukegan Plumbers3.0★ (2)7 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 Illinois

In Illinois, Illinois Department of Public Health, Plumbing Program licenses Plumber licenses and plumbing contractor registration (Chicago licenses its own plumbers).

  1. Check that the status is active and the name matches the contract or truck.
  2. 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 694 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, IL is S and J Plumbing & Sewer with a CR Score of 91/100. It has 4.9★ from 3,937 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 694 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Lake Forest?

ContractorsRanked ranks 694 plumbers serving Lake Forest, IL. 1 of them is 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?

315 ranked plumbers in Lake Forest post 24/7 hours. The highest-ranked are S and J Plumbing & Sewer (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#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?

485 of 694 ranked plumbers post Saturday hours and 370 post Sunday hours. The highest-ranked open Saturdays are S and J Plumbing & Sewer (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.

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

In Illinois, Illinois Department of Public Health, Plumbing Program handles licensing and covers Plumber licenses and plumbing contractor registration (Chicago licenses its own plumbers).

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 694 rated plumbers in Lake Forest is 4.9★, with a median of 31 reviews. ABC Plumbing, Sewer, Heating, Cooling & Electric has the most, 22,524 reviews, and ranks #20. 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 694 plumbers serving Lake Forest.
  2. October 2026: 1 duplicate listing merged.

More plumbers and Lake Forest pages

Other trades in Lake Forest