342 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ancaster: Drain Unit, CR Score 61/100; 5.0★ from 172 Google reviews; open 24/7.
Best for emergencies (open 24/7): PLUMBER ON DEMAND of ANCASTER, ON, posts 24/7 hours; ranked #2 of 342.
Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 27,515 Google reviews at 4.8★, the most of 342 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
342 Ancaster plumbers are ranked here by CR Score, from ten published factors. 161 are open 24/7, 228 open Saturdays and 199 open Sundays, based on posted hours. The median Google rating is 4.9★ across 342 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Drain Unit | 61 | 5.0★ (172) | Hamilton, 6 km away | 24/7 | Overall |
| 2 | PLUMBER ON DEMAND of ANCASTER, ON | 61 | 4.8★ (168) | Ancaster | 24/7 | Emergencies |
| 3 | PLUMBER ON DEMAND of HAMILTON, ON | 61 | 5.0★ (162) | Hamilton, 6 km away | 24/7 | — |
| 4 | PlumbWize Plumbing Hamilton | 61 | 4.8★ (127) | Ancaster | 24/7 | — |
| 5 | Greg's Plumbing and Heating Inc. | 60 | 4.6★ (186) | Ancaster | 24/7 | — |
| 6 | Reliance Heating, Air Conditioning & Plumbing | 60 | 4.8★ (27,515) | Burlington, 22 km away | 24/7 | Most reviews |
| 7 | John The Plumber | 60 | 4.8★ (474) | Hamilton, 6 km away | Sat · Sun · Evenings | — |
| 8 | Utter Plumbing Inc. | 60 | 5.0★ (84) | Ancaster | Sat · Sun · Evenings | — |
| 9 | Hy-Pro Plumbing & Drain Cleaning of Hamilton-Dundas | 59 | 4.8★ (89) | Burlington, 6 km away | 24/7 | — |
| 10 | Lakeview Plumbing Services | 59 | 5.0★ (233) | Hamilton, 23 km 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: 5.0★ from 172 Google reviews, listed on Google as “Drainage service”.
Based in Ancaster
Ranked #2 because of its Google rating and trade focus: 4.8★ from 168 Google reviews, listed on Google as “Plumber”.
Based in Hamilton, 6 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 162 Google reviews, listed on Google as “Plumber”.
Based in Ancaster
Ranked #4 because of its Google rating and trade focus: 4.8★ from 127 Google reviews, listed on Google as “Plumber”.
Based in Ancaster
Ranked #5 because of its Google rating and trade focus: 4.6★ from 186 Google reviews, listed on Google as “Plumber”.
Based in Burlington, 22 km away
Ranked #6 because of its Google rating and review volume: 4.8★ from 27,515 Google reviews, the most in Ancaster.
Based in Hamilton, 6 km away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 474 Google reviews, listed on Google as “Plumber”.
Based in Ancaster
Ranked #8 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Plumber”.
Based in Burlington, 6 km away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 89 Google reviews, listed on Google as “Plumber”.
Based in Hamilton, 23 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 233 Google reviews, listed on Google as “Plumber”.
Based in Hamilton, 6 km away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 138 Google reviews, listed on Google as “Plumber”.
Based in Hamilton, 19 km away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 1,264 Google reviews, listed on Google as “Plumber”.
Based in Burlington, 22 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 177 Google reviews, listed on Google as “Plumber”.
Based in Burlington, 22 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 176 Google reviews, listed on Google as “Plumber”.
Based in Ancaster
Ranked #15 because of its Google rating and trade focus: 4.8★ from 452 Google reviews, listed on Google as “HVAC contractor”.
Based in Hamilton, 13 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Plumber”.
Based in Burlington, 30 km away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 541 Google reviews, listed on Google as “Plumber”.
Based in Burlington, 25 km away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 299 Google reviews, listed on Google as “Plumber”.
Based in Hamilton, 17 km away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 157 Google reviews, listed on Google as “Plumber”.
Based in Ancaster
Ranked #20 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based in Cambridge, 31 km away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 748 Google reviews, listed on Google as “Plumber”.
Based in Ancaster
Ranked #22 because of its Google rating and trade focus: 5.0★ from 156 Google reviews, listed on Google as “Construction company”.
Based in Cambridge, 33 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 550 Google reviews, listed on Google as “Plumber”.
Based in Hamilton, 17 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 190 Google reviews, listed on Google as “Plumber”.
Based in Hamilton, 20 km away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 224 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. We publish the top 50 of 342 ranked plumbers here; the rest are on their profiles.
20 more plumbers within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 1st Rooter Plumbing | 5.0★ (2) | 21 km |
| AJ's Plumbing Ltd. | 5.0★ (2) | 12 km |
| Aquasetic Plumbing & Drains | 4.9★ (108) | 28 km |
| Bialas Plumbing & Heating Co Ltd | 5.0★ (2) | 23 km |
| Boonstra Heating and Air Conditioning | 4.7★ (4,641) | 12 km |
| Bosanac Heating & Electric Ltd | 4.7★ (200) | In Ancaster |
| Da Silva Plumbing | 5.0★ (2) | 23 km |
| Del Signore E Plumbing Limited | 5.0★ (2) | 28 km |
| Draintony | In Ancaster | |
| Everest Drain & Plumbing: Burlington Local plumber | 5.0★ (2) | 18 km |
| Fiddlers Plumber & Electrical | 4.4★ (5) | 1 km |
| Gauthier Plumbing | 4.5★ (14) | 9 km |
| Groves Wm Ltd | 4.2★ (155) | 18 km |
| Heartwood Renovations | 4.8★ (103) | In Ancaster |
| Hill's Plumbing Service Inc. | 5.0★ (2) | 26 km |
| PIki Plumbing Inc. | 5.0★ (2) | 14 km |
| Pro Desk at RONA+ | 5.0★ (1) | In Ancaster |
| Rooter-Man Plumbing & Waterproofing Brantford | 5.0★ (2) | 22 km |
| Super 5 Drain and Plumbing | 5.0★ (2) | 29 km |
| Tony's Plumbing & Electric | In Ancaster |
US national ranges converted to CAD, not adjusted for Ancaster. 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 342 Ancaster 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 Ancaster 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 |