Top 50 of 178 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency plumbing in Waterloo: Roto-Rooter Plumbing & Water Cleanup, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (2,790) | Belleville, 15 mi away | 24/7 |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (5,589) | St. Louis, 21 mi away | 24/7 |
| 3 | Mr. Rooter Plumbing of St. Louis | 61 | 4.8★ (2,141) | Ballwin, 21 mi away | 24/7 |
| 4 | Beis Plumbing | 60 | 4.8★ (1,790) | Valley Park, 24 mi away | 24/7 |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 60 | 5.0★ (509) | Murphy, 20 mi away | 24/7 |
| 6 | River City Sewer& Drain, L.L.C. | 60 | 4.9★ (207) | Arnold, 14 mi away | 24/7 |
| 7 | Polar Plumbing, Heating & Air Conditioning | 60 | 5.0★ (197) | Belleville, 17 mi away | 24/7 |
| 8 | Kirkwood Plumbing Inc | 59 | 4.7★ (673) | Kirkwood, 21 mi away | 24/7 |
| 9 | A Davinroy Plumbing & Mechanical - Plumber in Belleville | 59 | 4.6★ (171) | Belleville, 16 mi away | 24/7 |
| 10 | Academy Air Heating, Cooling, Plumbing and Electric | 59 | 4.8★ (875) | Barnhart, 12 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
#1Roto-Rooter Plumbing & Water Cleanup
Open 24/7 · 4.8 from 2,790 Google reviews
#2Roto-Rooter Plumbing & Water Cleanup
Open 24/7 · 4.8 from 5,589 Google reviews
#3Mr. Rooter Plumbing of St. Louis
Open 24/7 · 4.8 from 2,141 Google reviews
Open 24/7 · 4.8 from 1,790 Google reviews
#5Roto-Rooter Plumbing & Water Cleanup
Open 24/7 · 5.0 from 509 Google reviews
#6River City Sewer& Drain, L.L.C.
Open 24/7 · 4.9 from 207 Google reviews
#7Polar Plumbing, Heating & Air Conditioning
Open 24/7 · 5.0 from 197 Google reviews
Open 24/7 · 4.7 from 673 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 178 is on the plumbers page.
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: 4.8★ from 2,790 Google reviews, listed on Google as “Plumber”.
Based in St. Louis, 21 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 5,589 Google reviews.
Based in Ballwin, 21 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,141 Google reviews, listed on Google as “Plumber”.
Based in Valley Park, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,790 Google reviews, listed on Google as “Plumber”.
Based in Murphy, 20 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 509 Google reviews, listed on Google as “Plumber”.
Based in Arnold, 14 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Plumber”.
Based in Belleville, 17 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 197 Google reviews, listed on Google as “Plumber”.
Based in Kirkwood, 21 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 673 Google reviews, listed on Google as “Plumber”.
Based in Belleville, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 171 Google reviews, listed on Google as “Plumber”.
Based in Barnhart, 12 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 875 Google reviews.
Based in O'Fallon, 22 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 202 Google reviews, listed on Google as “Plumber”.
Based in East Saint Louis, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.3★ from 215 Google reviews, listed on Google as “Plumber”.
Based in St. Louis, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Plumber”.
Based in Barnhart, 14 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 67 Google reviews, listed on Google as “Plumber”.
Based in Arnold, 14 mi away
Ranked #15 because of its Google rating and review volume: 5.0★ from 1,400 Google reviews.
Based in St. Louis, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Plumber”.
Based in Belleville, 14 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 1,500 Google reviews.
Based in Barnhart, 12 mi away
Ranked #18 because of its Google rating and trade focus: 4.0★ from 46 Google reviews, listed on Google as “Plumber”.
Based in Webster Groves, 21 mi away
Ranked #19 because of its Google rating and trade focus: 4.6★ from 116 Google reviews, listed on Google as “Plumber”.
Based in Shiloh, 18 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 81 Google reviews, listed on Google as “Plumber”.
Based in St. Louis, 24 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 108 Google reviews, listed on Google as “Plumber”.
Based in Barnhart, 18 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Plumber”.
Based in Chesterfield, 14 mi away
Ranked #23 because of its Google rating and trade focus: 3.7★ from 65 Google reviews, listed on Google as “Plumber”.
Based in East Saint Louis, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 55 Google reviews, listed on Google as “Plumber”.
Based in Webster Groves, 19 mi away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 31 Google reviews, listed on Google as “Plumber”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |