9 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Canton: Roto-Rooter Plumbing Service, CR Score 65/100; 4.8★ from 302 Google reviews; open 24/7.
Best for emergencies (open 24/7): NoCo Drain Pros, posts 24/7 hours; ranked #2 of 9.
Most-reviewed: Grant's Plumbing & Heating, 38 Google reviews at 4.4★, the most of 9 ranked after Roto-Rooter Plumbing Service; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Canton plumbers are ranked here by CR Score, from ten published factors. 4 are open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.5★ across 9 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing Service | 65 | 4.8★ (302) | Potsdam, 9 mi away | 24/7 | Overall |
| 2 | NoCo Drain Pros | 59 | 5.0★ (34) | Ogdensburg, 17 mi away | 24/7 | Emergencies |
| 3 | Grant's Plumbing & Heating | 56 | 4.4★ (38) | Canton | — | Most reviews |
| 4 | JMS Mechanical Contractors | 54 | 5.0★ (10) | Ogdensburg, 17 mi away | 24/7 | — |
| 5 | Dan's Plumbing & Heating | 53 | 4.0★ (12) | Potsdam, 14 mi away | — | — |
| 6 | Larry's Plumbing & Heating | 52 | 4.0★ (16) | Ogdensburg, 17 mi away | 24/7 | — |
| 7 | Express Plumbing & Heat Services | 46 | 4.5★ (11) | Massena, 25 mi away | — | — |
| 8 | J&S Construction | 45 | 1.0★ (5) | Potsdam, 13 mi away | Sat · Sun · Evenings | — |
| 9 | M&M Contracting | 44 | 4.7★ (3) | Ogdensburg, 13 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.8★ from 302 Google reviews, the most in Canton.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ogdensburg, 17 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Canton
Ranked #3 because of its Google rating and trade focus: 4.4★ from 38 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ogdensburg, 17 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Potsdam, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ogdensburg, 17 mi away
Ranked #6 because of its Google rating and trade focus: 4.0★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Massena, 25 mi away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Potsdam, 13 mi away
Ranked #8 because of its Google rating and trade focus: 1.0★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ogdensburg, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
National price ranges in USD, not adjusted for Canton. 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 9 Canton 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 Canton 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 |