Top 28 of 48 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank
16 of the 28 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 Hermantown: A G O'Brien Plumbing & Heating Co, 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 | A G O'Brien Plumbing & Heating Co | 93 | 4.8★ (362) | Duluth, 2 mi away | 24/7 |
| 2 | After Hours Sewer & Drain Cleaning LLC | 91 | 5.0★ (88) | Duluth, 3 mi away | 24/7 |
| 3 | AquaTech Duluth Plumber | 89 | 5.0★ (72) | Duluth, 7 mi away | 24/7 |
| 4 | ASP Mechanical | 89 | 4.8★ (1,645) | Duluth, 2 mi away | 24/7 |
| 5 | Pro Service Plumbing | 88 | 5.0★ (84) | Duluth, 7 mi away | 24/7 |
| 6 | Stone Plumbing and Heating Inc. | 87 | 4.9★ (395) | Duluth, 10 mi away | 24/7 |
| 7 | Flow Sewer and Drain Cleaning | 86 | 4.9★ (56) | Duluth, 10 mi away | 24/7 |
| 8 | Duluth Excavation & Septic Services | 85 | 4.8★ (13) | Duluth, 8 mi away | 24/7 |
| 9 | Plumbing and Heating Solutions Inc | 85 | 5.0★ (68) | Duluth, 8 mi away | 24/7 |
| 10 | Advantage Air Plumbing, Heating, & Cooling | 84 | 4.6★ (48) | Duluth, 3 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.
#1A G O'Brien Plumbing & Heating Co
Open 24/7 · 4.8 from 362 Google reviews
#2After Hours Sewer & Drain Cleaning LLC
Open 24/7 · 5.0 from 88 Google reviews
Open 24/7 · 5.0 from 72 Google reviews
Open 24/7 · 4.8 from 1,645 Google reviews
Open 24/7 · 5.0 from 84 Google reviews
#6Stone Plumbing and Heating Inc.
Open 24/7 · 4.9 from 395 Google reviews
#7Flow Sewer and Drain Cleaning
Open 24/7 · 4.9 from 56 Google reviews
#8Duluth Excavation & Septic Services
Open 24/7 · 4.8 from 13 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 48 is on the plumbers page.
Ranked #1 because of its Google rating and availability: 4.8★ from 362 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 3 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 88 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 7 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 72 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 2 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 1,645 Google reviews, 1,645 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 7 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 84 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 10 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 395 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 10 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 56 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 8 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 8 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 68 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 3 mi away
Ranked #10 because of its Google rating and availability: 4.6★ from 48 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Superior, 9 mi away
Ranked #11 because of its Google rating and availability: 4.4★ from 138 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cloquet, 10 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Superior, 9 mi away
Ranked #13 because of its Google rating and availability: 4.4★ from 63 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 6 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cloquet, 21 mi away
Ranked #15 because of its Google rating and availability: 4.6★ from 42 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cloquet, 12 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 7 mi away
Ranked #17 because of its Google rating and availability: 3.7★ from 3 Google reviews, offers emergency service.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Duluth, 4 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 41 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Duluth, 6 mi away
Ranked #19 because of its Google rating and trade focus: 3.5★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Duluth, 6 mi away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Duluth, 6 mi away
Ranked #21 because of its Google rating and review volume: 4.6★ from 96 Google reviews, 96 Google reviews.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Duluth, 10 mi away
Ranked #22 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Duluth, 14 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Duluth, 10 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 215 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cloquet, 6 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 90 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #28, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Duluth Service Plumbing | 61 | 4.9★ (30) | 4 mi |
| 27 | Ace Plumbers Duluth MN | 60 | 4.9★ (41) | 5 mi |
| 28 | Harbor Mechanical Inc | 60 | 4.8★ (98) | 18 mi |
Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 | 25% | Bayesian-adjusted Google star rating |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 |
| Review volume | 10% | log10(reviews + 1) against the list maximum |
| Recency | 10% | Share of reviews from the last 12 months |
| Availability | 20% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) |