255 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Saint Peters: Roto-Rooter Plumbing & Water Cleanup, CR Score 64/100; 4.9★ from 1,738 Google reviews; open 24/7.
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 255.
Most-reviewed: Academy Air Heating, Cooling, Plumbing and Electric, 6,727 Google reviews at 4.8★, the most of 255 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
255 Saint Peters plumbers are ranked here by CR Score, from ten published factors. 68 are open 24/7, 138 open Saturdays and 97 open Sundays, based on posted hours. The median Google rating is 4.8★ across 255 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.9★ (1,738) | Saint Charles, 7 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.9★ (2,557) | Chesterfield, 10 mi away | 24/7 | Emergencies |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.8★ (4,983) | Hazelwood, 12 mi away | 24/7 | — |
| 4 | Sparrow Plumbing and Drain Cleaning | 63 | 4.9★ (275) | Saint Peters | 24/7 | — |
| 5 | Mr. Rooter Plumbing of St. Charles | 63 | 4.8★ (356) | Saint Peters | 24/7 | — |
| 6 | Precision Plumbing Solutions | 63 | 4.7★ (1,253) | O'Fallon, 5 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.9★ (1,838) | Wentzville, 12 mi away | 24/7 | — |
| 8 | Able Rooter Plumbing & Drain Cleaning St. Louis | 62 | 5.0★ (1,008) | East Saint Louis, 12 mi away | 24/7 | — |
| 9 | Hosack Plumbing, Heating & Cooling | 62 | 4.9★ (157) | Saint Peters | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 62 | 4.9★ (1,474) | Ballwin, 15 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,738 Google reviews, listed on Google as “Plumber”.
Based in Chesterfield, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,557 Google reviews, listed on Google as “Plumber”.
Based in Hazelwood, 12 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 4,983 Google reviews, listed on Google as “Plumber”.
Based in Saint Peters
Ranked #4 because of its Google rating and trade focus: 4.9★ from 275 Google reviews, listed on Google as “Plumber”.
Based in Saint Peters
Ranked #5 because of its Google rating and trade focus: 4.8★ from 356 Google reviews, listed on Google as “Plumber”.
Based in O'Fallon, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,253 Google reviews, listed on Google as “Plumber”.
Based in Wentzville, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,838 Google reviews, listed on Google as “Plumber”.
Based in East Saint Louis, 12 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 1,008 Google reviews, listed on Google as “Plumber”.
Based in Saint Peters
Ranked #9 because of its Google rating and trade focus: 4.9★ from 157 Google reviews, listed on Google as “Plumber”.
Based in Ballwin, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,474 Google reviews, listed on Google as “Plumber”.
Based in Saint Peters
Ranked #11 because of its Google rating and trade focus: 5.0★ from 186 Google reviews, listed on Google as “Plumber”.
Based in Saint Peters
Ranked #12 because of its Google rating and review volume: 4.8★ from 1,238 Google reviews.
Based in Valley Park, 18 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 1,790 Google reviews, listed on Google as “Plumber”.
Based in St. Louis, 25 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 5,589 Google reviews, listed on Google as “Plumber”.
Based in O'Fallon, 4 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 107 Google reviews, listed on Google as “Plumber”.
Based in Hazelwood, 12 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 6,727 Google reviews, the most in Saint Peters.
Based in O'Fallon, 4 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 696 Google reviews.
Based in Ballwin, 21 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 2,141 Google reviews, listed on Google as “Plumber”.
Based in Saint Charles, 8 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 169 Google reviews, listed on Google as “Plumber”.
Based in Ellisville, 15 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 421 Google reviews, listed on Google as “Plumber”.
Based in Saint Peters
Ranked #21 because of its Google rating and review volume: 4.8★ from 6,200 Google reviews.
Based in O'Fallon, 1 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Plumber”.
Based in Eureka, 20 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 423 Google reviews, listed on Google as “Plumber”.
Based in Murphy, 23 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 509 Google reviews, listed on Google as “Plumber”.
Based in East Saint Louis, 16 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Plumber”.
#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile. We publish the top 27 of 255 ranked plumbers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Kirkwood Plumbing Inc | 58 | 4.7★ (673) | 20 mi |
| 27 | ABC Plumbing & Drain Services LLC | 58 | 4.2★ (21) | In Saint Peters |
National price ranges in USD, not adjusted for Saint Peters. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
We scored 255 Saint Peters plumbers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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.
| Factor | Weight | Computed from | In Saint Peters data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |