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ContractorsRanked

Best Plumbers in Saint John, MO (2026)

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

The short answer

  1. 1

    Best overall in Saint John: Roto-Rooter Plumbing & Water Cleanup, CR Score 93/100; 4.8★ from 4,983 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 349.

  3. 33

    Most-reviewed: Hoffmann Brothers, 10,949 Google reviews at 4.9★, the most of 349 ranked; ranked #33.

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

349 Saint John plumbers are ranked here by CR Score, from 8 published factors. 99 are open 24/7, 186 open Saturdays and 138 open Sundays, based on posted hours. The median Google rating is 4.8★ across 349 rated businesses.

Top 10 plumbers in Saint John at a glance

Top 10 plumbers in Saint John at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup934.8★ (4,983)Hazelwood, 7 mi away24/7Overall
2Roto-Rooter Plumbing & Water Cleanup924.8★ (5,589)St. Louis, 9 mi away24/7Emergencies
3Roto-Rooter Plumbing & Water Cleanup924.9★ (2,557)Chesterfield, 10 mi away24/7—
4Able Rooter Plumbing & Drain Cleaning St. Louis925.0★ (1,008)East Saint Louis, 8 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup914.9★ (1,738)Saint Charles, 11 mi away24/7—
6Mr. Rooter Plumbing of St. Louis904.8★ (2,141)Ballwin, 14 mi away24/7—
7Roto-Rooter Plumbing & Water Cleanup894.9★ (1,474)Ballwin, 16 mi away24/7—
8Academy Air Heating, Cooling, Plumbing and Electric894.8★ (6,727)Hazelwood, 6 mi away24/7—
9Beis Plumbing894.8★ (1,790)Valley Park, 14 mi away24/7—
10Sparrow Plumbing and Drain Cleaning894.9★ (275)Saint Peters, 2 mi away24/7—

The 349 best plumbers in Saint John, 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.

  9. #9 Beis Plumbing

    Based in Valley Park, 14 mi away

    89/100CR Score

    Ranked #9 because of its Google rating and availability: 4.8★ from 1,790 Google reviews, open 24/7.

    • 4.8★ from 1,790 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    280 Vance Rd, Valley Park, MO 63088
    View profile for Beis Plumbing(314) 500-5325

  15. #15 Classic Aire Care

    Based in St. Louis, 3 mi away

    88/100CR Score

    Ranked #15 because of its Google rating and availability: 4.9★ from 4,820 Google reviews, open 24/7.

    • 4.9★ from 4,820 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1276 N Warson Rd, St. Louis, MO 63132
    View profile for Classic Aire Care(314) 988-2501

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

plumbers in Saint John, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Midwest Flood Restoration864.9★ (76)12 mi
27River City Sewer& Drain, L.L.C.864.9★ (207)18 mi
28Linek Plumbing Company864.6★ (116)8 mi
29Nolen Septic Services865.0★ (237)23 mi
30Hoffmann Brothers854.8★ (107)13 mi
31Roto-Rooter Plumbing & Water Cleanup854.8★ (1,238)13 mi
32Greyson & Sons Water Heaters854.8★ (108)11 mi
33Hoffmann Brothers854.9★ (10,949)6 mi
34Hosack Plumbing, Heating & Cooling844.9★ (153)7 mi
35Flow King Rooter Plumbing844.9★ (32)14 mi
36Focused Plumbing844.9★ (43)16 mi
37Tiger Plumbing, Heating, Air Conditioning, & Electrical Services844.7★ (5,072)20 mi
38Hosack Plumbing, Heating & Cooling845.0★ (696)20 mi
39Signature Plumbing Services St Louis844.6★ (31)10 mi
40All Star Pumping & Sewer Services844.3★ (29)1 mi
41Polar Plumbing, Heating & Air Conditioning835.0★ (514)21 mi
42RPR Company835.0★ (8)9 mi
43USA Plumbing Plus834.2★ (33)7 mi
44Diesel Plumbing and Heating and Cooling, LLC834.8★ (8)3 mi
45Shelby Plumbing LLC835.0★ (27)17 mi
46St. Peters Plumbing Solutions Elite835.0★ (22)16 mi
47Zoom Drain834.6★ (47)14 mi
48Cardinal Plumbing Co.834.9★ (462)18 mi
49Nelson Plumbing & Sewer Services CO.834.6★ (14)5 mi
50Flow King Rooter834.7★ (94)6 mi

Also serving Saint John

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 Saint John
BusinessGoogle ratingDistance
AA Active Plumbing, LLC1.0★ (2)11 mi
AA Quick Plumbing And Sewer4.0★ (177)3 mi
Accurate Painting & Handyman Services5.0★ (2)18 mi
Acme Services5.0★ (2)14 mi
AI Drain Service4.4★ (34)7 mi
Ata construction & maintenance4.0★ (2)6 mi
Bardol Plumbing & Construction5.0★ (2)12 mi
Beaver Plumbing Co Inc5.0★ (2)4 mi
C and H plumbing company llc3.0★ (2)7 mi
Cardinal Plumbing3.0★ (2)4 mi
Custom Hardscape Sol. Llc5.0★ (2)3 mi
E Plumbing and Sewer5.0★ (2)7 mi
John L Bourgeois Plumbing5.0★ (2)6 mi
JOURNEY PLUMBING LLC3.0★ (2)11 mi
Kardell Plumbing Inc3.0★ (2)12 mi
Omega Plumbing Co4.0★ (2)7 mi
Right Now Plumbing3.9★ (145)7 mi
Scales Plumbing Co LLC5.0★ (2)8 mi
Shepard Contractor5.0★ (2)5 mi
Tom Byrd Plumbing4.3★ (23)10 mi

How much do plumbers cost in Saint John?

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

How much do plumbers cost in Saint John?
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 we ranked Saint John plumbers

We scored 349 Saint John 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 Saint John 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 Saint John: frequently asked questions

Who is the best plumber in Saint John?

By CR Score, the highest-ranked plumber in Saint John, MO is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 93/100. It has 4.8★ from 4,983 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 349 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Saint John?

ContractorsRanked ranks 349 plumbers serving Saint John, MO. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Saint John are open 24/7?

99 ranked plumbers in Saint John post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#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 Saint John work on weekends?

186 of 349 ranked plumbers post Saturday hours and 138 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#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 much does water heater replacement cost in Saint John?

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 Saint John. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Saint John plumbers have?

The median Google rating among 349 rated plumbers in Saint John is 4.8★, with a median of 27 reviews. Hoffmann Brothers has the most, 10,949 reviews, and ranks #33. 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.

Do plumbers outside Saint John count in this ranking?

Yes, if they are within 25 mi of the Saint John city center, our service radius for plumbers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Saint John

  1. October 2026: CR Scores recalculated for 349 plumbers serving Saint John.
  2. October 2026: 1 duplicate listing merged.

More plumbers and Saint John pages

Other trades in Saint John