46 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Gananoque: John The Plumber, CR Score 86/100; 4.9★ from 188 Google reviews; open 24/7.
Best for emergencies (open 24/7): Universal Plumbing & Sewer Services Inc., posts 24/7 hours; ranked #2 of 46.
Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 4,101 Google reviews at 4.7★, the most of 46 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
46 Gananoque plumbers are ranked here by CR Score, from 8 published factors. 17 are open 24/7, 21 open Saturdays and 21 open Sundays, based on posted hours. The median Google rating is 4.8★ across 46 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | John The Plumber | 86 | 4.9★ (188) | Kingston, 31 km away | 24/7 | Overall |
| 2 | Universal Plumbing & Sewer Services Inc. | 86 | 4.8★ (161) | Kingston, 28 km away | 24/7 | Emergencies |
| 3 | TAP TECH Plumbing and Drain | 86 | 4.8★ (246) | Kingston, 33 km away | 24/7 | — |
| 4 | Bridgeview Tech Inc | 85 | 4.6★ (38) | Kingston, 13 km away | 24/7 | — |
| 5 | Reliance Heating, Air Conditioning & Plumbing | 85 | 4.7★ (4,101) | Kingston, 33 km away | 24/7 | Most reviews |
| 6 | John The Plumber | 85 | 4.8★ (179) | Kingston, 34 km away | 24/7 | — |
| 7 | Kingston Home Services by Enercare | 84 | 4.9★ (2,867) | Kingston, 29 km away | 24/7 | — |
| 8 | Leak Free Plumbing | 84 | 4.9★ (103) | Kingston, 35 km away | 24/7 | — |
| 9 | Haven Home Heating and Air Conditioning | 84 | 4.9★ (3,430) | Kingston, 34 km away | 24/7 | — |
| 10 | The Super Plumber - Kingston | 84 | 4.9★ (69) | Kingston, 34 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 188 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 28 km away
Ranked #2 because of its Google rating and availability: 4.8★ from 161 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 33 km away
Ranked #3 because of its Google rating and availability: 4.8★ from 246 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 13 km away
Ranked #4 because of its Google rating and availability: 4.6★ from 38 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 33 km away
Ranked #5 because of its Google rating and review volume: 4.7★ from 4,101 Google reviews, the most Google reviews on this list (4,101).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 34 km away
Ranked #6 because of its Google rating and availability: 4.8★ from 179 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 29 km away
Ranked #7 because of its Google rating and availability: 4.9★ from 2,867 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 35 km away
Ranked #8 because of its Google rating and availability: 4.9★ from 103 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 34 km away
Ranked #9 because of its Google rating and availability: 4.9★ from 3,430 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 34 km away
Ranked #10 because of its Google rating and availability: 4.9★ from 69 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 33 km away
Ranked #11 because of its Google rating and availability: 5.0★ from 45 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 27 km away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 459 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 29 km away
Ranked #13 because of its Google rating and availability: 4.4★ from 81 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 28 km away
Ranked #14 because of its Google rating and availability: 4.9★ from 137 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gananoque
Ranked #15 because of its Google rating and availability: 4.8★ from 31 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 33 km away
Ranked #16 because of its Google rating and availability: 4.8★ from 400 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 32 km away
Ranked #17 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 27 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 34 km away
Ranked #19 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brockville, 35 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 32 km away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Kingston, 28 km away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 82 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 26 km away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Kingston, 28 km away
Ranked #24 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Gananoque
Ranked #25 because of its Google rating and trade focus: 4.1★ from 27 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 #40, in CR Score order; each links to its profile. We publish the top 40 of 46 ranked plumbers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | ABS Plumbing & Heating | 73 | 4.0★ (8) | 30 km |
| 28 | B.P.M. PLUMBING 24HR Service | 72 | 4.8★ (4) | 28 km |
| 31 | Donaldson Plumbing & Heating | 71 | 3.7★ (15) | 23 km |
| 40 | E S Fox Ltd | 68 | 4.5★ (8) | 28 km |
US national ranges converted to CAD, not adjusted for Gananoque. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | CA$1,240 | CA$1,890 | CA$2,570 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 46 Gananoque 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.
| Factor | Weight | Computed from | In Gananoque data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |