63/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 244 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 244 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Plumbers in Keswick, ON (2026)
201 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Keswick: CDS Plumbing, CR Score 63/100; 5.0★ from 244 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Mr. Rooter Plumbing of Newmarket ON, posts 24/7 hours; ranked #2 of 201.
- 5
Most-reviewed: Reliance Yanch Heating, Air Conditioning & Plumbing, 5,937 Google reviews at 4.8★, the most of 201 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
201 Keswick plumbers are ranked here by CR Score, from ten published factors. 103 are open 24/7, 149 open Saturdays and 126 open Sundays, based on posted hours. The median Google rating is 4.9★ across 201 rated businesses.
Top 10 plumbers in Keswick at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CDS Plumbing | 63 | 5.0★ (244) | Aurora, 8 km away | 24/7 | Overall |
| 2 | Mr. Rooter Plumbing of Newmarket ON | 62 | 4.8★ (512) | East Gwillimbury, 11 km away | 24/7 | Emergencies |
| 3 | Hirstwood Plumbing & Septic Services | 62 | 4.7★ (204) | Keswick | 24/7 | — |
| 4 | The Plumbing Company | 61 | 5.0★ (103) | Innisfil, 9 km away | 24/7 | — |
| 5 | Reliance Yanch Heating, Air Conditioning & Plumbing | 61 | 4.8★ (5,937) | Barrie, 18 km away | 24/7 | Most reviews |
| 6 | SUREFLOW PLUMBING & DRAIN | 61 | 4.9★ (194) | East Gwillimbury, 15 km away | 24/7 | — |
| 7 | Aquatec Plumbing | 61 | 5.0★ (157) | East Gwillimbury, 17 km away | 24/7 | — |
| 8 | MB&K Plumbing Inc. | 60 | 4.9★ (58) | Innisfil, 10 km away | 24/7 | — |
| 9 | Cirton Plumbing & Drains Ltd | 60 | 5.0★ (305) | Aurora, 31 km away | 24/7 | — |
| 10 | First Plumber | 60 | 5.0★ (105) | Barrie, 20 km away | 24/7 | — |
The 201 best plumbers in Keswick, ranked
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.
Based in East Gwillimbury, 11 km away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 512 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 512 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Keswick
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 204 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 204 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 342 Pefferlaw Rd, Pefferlaw, ON L0E 1N0
Based in Innisfil, 9 km away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 103 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 849 Adams Rd, Innisfil, ON L9S 4C9
Based in Barrie, 18 km away
61/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 5,937 Google reviews, the most in Keswick.
- 4.8★ from 5,937 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 89 Rawson Ave, Barrie, ON L4N 6E5
Based in East Gwillimbury, 15 km away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 194 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 194 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 150 Artesian Industrial Pkwy Unit #4, Bradford, ON L3Z 3G3
Based in East Gwillimbury, 17 km away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 157 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 Grist Mill Rd, Holland Landing, ON L9N 1M7
Based in Innisfil, 10 km away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 58 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 58 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1211 Mary-Lou St, Innisfil, ON L9S 0C2
Based in Aurora, 31 km away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 305 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 305 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 168 Loraview Ln, Aurora, ON L4G 6N4
#10 First Plumber
Based in Barrie, 20 km away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 105 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 105 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Newmarket, 22 km away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 118 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 154 Victoria St, Newmarket, ON L3Y 4C8
Based in East Gwillimbury, 11 km away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 116 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 116 Google reviews
- Hours
- Mon–Fri 8 AM–10 PM · Sat 9 AM–10 PM · Sun 8 AM–10 PM
- Address
- 865 John St, Churchill, ON L0L 1K0
#13 TMX PLUMBING INC
Based in Keswick
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1283 Peelar Cres, Lefroy, ON L0L 1W0
Based in Keswick
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 39 Google reviews
- Hours
- Mon–Sat 8 AM–8 PM · Sun 9 AM–4 PM
Based in Barrie, 24 km away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 255 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 255 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31 Bothwell Crescent, Barrie, ON L4M 2S1
Based in Innisfil, 10 km away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1070 Innisfil Beach Rd, Innisfil, ON L9S 4T9
Based in Newmarket, 22 km away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 112 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 112 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 411 Queen St Upper #4, Newmarket, ON L3Y 2G9
Based in East Gwillimbury, 22 km away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 66 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17398 Ninth Line, Whitchurch-Stouffville, ON L0G 1M0
Based in Barrie, 24 km away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 280 Google reviews, listed on Google as “Plumber”.
- 4.6★ from 280 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 24 Ferndale Dr N, Barrie, ON L4N 9V4
Based in Aurora, 4 km away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Barrie, 25 km away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.5★ from 398 Google reviews, listed on Google as “Plumber”.
- 4.5★ from 398 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18 Alliance Blvd Unit 7, Barrie, ON L4M 5K3
Based in Alliston, 36 km away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 412 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 412 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 245 Young St, Alliston, ON L9R 1V1
#23 JS Home Services
Based in Newmarket, 22 km away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 244 Google reviews, listed on Google as “Plumber”.
- 4.5★ from 244 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17181 Leslie St, Newmarket, ON L3Y 8C6
Based in East Gwillimbury, 18 km away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 42 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 180 Holland St W, Bradford, ON L3Z 1R8
Based in Barrie, 11 km away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 789 Candaras St, Innisfil Beach, ON L9S 2H1
Plumbers ranked #26 to #50
#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 201 ranked plumbers here; the rest are on their profiles.
Also serving Keswick
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 |
|---|---|---|
| 905 Restoration | 5.0★ (2) | 33 km |
| Bryant Plumbing & Contracting | 5.0★ (1) | 16 km |
| Burnett's highland plumbing | 5.0★ (1) | 22 km |
| Division 15 Plumbing & Mechanical Inc. | 4.0★ (2) | 25 km |
| Emberley's Plumbing | 5.0★ (2) | 13 km |
| EMC Plumbing and Drains | 5.0★ (1) | 9 km |
| Emergency Plumbers of Ontario Inc. | 5.0★ (2) | 20 km |
| Everest Drain & Plumbing: Aurora's Local Plumber | 5.0★ (18) | 28 km |
| Gravelco Construction Inc. | 5.0★ (2) | 25 km |
| GTAPlumberman | 5.0★ (2) | 28 km |
| High Tech Plumbing Inc | 5.0★ (1) | 8 km |
| Jones Plumbing & Mechanical | 3.0★ (2) | 29 km |
| KonMack plumbing and Mechanical | 5.0★ (10) | 22 km |
| Lefroy Plumbing | 5.0★ (2) | 10 km |
| McBride Plumbing Services | 5.0★ (1) | In Keswick |
| MT Drains & Plumbers Newmarket : Foundation Repair & Basement Waterproofing Aurora | 5.0★ (2) | 24 km |
| Saudercore | 5.0★ (2) | 39 km |
| Soil Surgeons Excavating, Grading, & Septic | 5.0★ (2) | 33 km |
| White Rock Mechanical group LTD | In Keswick | |
| York Simcoe Plumbing & Mechanical Corp. | 5.0★ (2) | 23 km |
How much do plumbers cost in Keswick?
US national ranges converted to CAD, not adjusted for Keswick. 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 |
How we ranked Keswick plumbers
We scored 201 Keswick 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 Keswick 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 |
Plumbers in Keswick: frequently asked questions
Who is the best plumber in Keswick?
By CR Score, the highest-ranked plumber in Keswick, ON is CDS Plumbing with a CR Score of 63/100. It has 5.0★ from 244 Google reviews. It is open 24/7. Mr. Rooter Plumbing of Newmarket ON (#2) and Hirstwood Plumbing & Septic Services (#3) follow. We ranked 201 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Keswick?
ContractorsRanked ranks 201 plumbers serving Keswick, ON. 3 of them are based in Keswick; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Keswick are open 24/7?
103 ranked plumbers in Keswick post 24/7 hours. The highest-ranked are CDS Plumbing (#1), Mr. Rooter Plumbing of Newmarket ON (#2) and Hirstwood Plumbing & Septic Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Keswick work on weekends?
149 of 201 ranked plumbers post Saturday hours and 126 post Sunday hours. The highest-ranked open Saturdays are CDS Plumbing (#1), Mr. Rooter Plumbing of Newmarket ON (#2) and Hirstwood Plumbing & Septic Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does water heater replacement cost in Keswick?
Water heater replacement typically costs CA$1,240 to CA$2,570, with CA$1,890 typical (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)). This is a national range, not adjusted for Keswick. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Keswick plumbers have?
The median Google rating among 201 rated plumbers in Keswick is 4.9★, with a median of 24 reviews. Reliance Yanch Heating, Air Conditioning & Plumbing has the most, 5,937 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do plumbers outside Keswick count in this ranking?
Yes, if they are within 40 km of the Keswick city centre, our service radius for plumbers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Keswick
- October 2026: CR Scores recalculated for 201 plumbers serving Keswick.
- October 2026: 2 duplicate listings merged.
More plumbers and Keswick pages
Plumbers near Keswick
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- Drywall contractors in Keswick25 ranked
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- Deck builders in Keswick134 ranked
- Siding contractors in Keswick159 ranked
- Window installers in Keswick392 ranked
- Gutter installers in Keswick60 ranked
- Insulation contractors in Keswick50 ranked
- Solar installers in Keswick60 ranked
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- All contractors in Keswick