66/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,700 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,700 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 520 Westney Rd S #3, Ajax, ON L1S 7H4
Emergency Plumbers in Ajax, ON (2026)
Top 50 of 560 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 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.
Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.
The short answer
- 1
#1 for emergency plumbing in Ajax: Sewer Squad Plumbing, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
Top emergency plumbers in Ajax at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Sewer Squad Plumbing | 66 | 4.9★ (1,700) | Ajax | 24/7 |
| 2 | 2 Bro's Plumbing | 64 | 4.9★ (393) | Ajax | 24/7 |
| 3 | Vaillancourt Plumbing & Drains | 63 | 4.9★ (1,375) | Oshawa, 14 km away | 24/7 |
| 4 | Mr Rooter Plumbing of Ajax-Pickering | 63 | 4.7★ (393) | Ajax | 24/7 |
| 5 | Mr. Rooter Plumbing of Whitby-Oshawa | 63 | 4.7★ (333) | Ajax | 24/7 |
| 6 | Marco Plumbing | 63 | 4.8★ (181) | Ajax | 24/7 |
| 7 | PLUMBER ON DEMAND of AJAX-PICKERING, ON | 62 | 4.7★ (183) | Ajax | 24/7 |
| 8 | Wrench it Up plumbing and mechanical | 62 | 4.8★ (141) | Ajax | 24/7 |
| 9 | Enercare | 62 | 4.8★ (1,023) | Pickering, 19 km away | 24/7 |
| 10 | Reliance Heating, Air Conditioning & Plumbing | 62 | 4.8★ (6,966) | Oshawa, 12 km away | 24/7 |
Call an emergency plumber in Ajax now
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.
- #1Call (647) 952-0992
Open 24/7 · 4.9 from 1,700 Google reviews
- #2Call (905) 556-0790
Open 24/7 · 4.9 from 393 Google reviews
- #3Call (289) 275-6655
#3Vaillancourt Plumbing & Drains
Open 24/7 · 4.9 from 1,375 Google reviews
- #4Call (905) 619-1748
#4Mr Rooter Plumbing of Ajax-Pickering
Open 24/7 · 4.7 from 393 Google reviews
- #5Call (905) 725-2292
#5Mr. Rooter Plumbing of Whitby-Oshawa
Open 24/7 · 4.7 from 333 Google reviews
- #6Call (905) 619-9700
Open 24/7 · 4.8 from 181 Google reviews
- #7Call (905) 409-0657
#7PLUMBER ON DEMAND of AJAX-PICKERING, ON
Open 24/7 · 4.7 from 183 Google reviews
- #8Call (416) 800-5050
#8Wrench it Up plumbing and mechanical
Open 24/7 · 4.8 from 141 Google reviews
The 50 emergency plumbers in Ajax, ranked
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 560 is on the plumbers page.
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 Ajax
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 393 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 393 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20 Hawkstone Crescent, Whitby, ON L1N 6R6
Based in Oshawa, 14 km away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 1,375 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,375 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 27 Warren Ave, Oshawa, ON L1J 4E9
Based in Ajax
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 393 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 393 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Ajax
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 333 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 333 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Ajax
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 181 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 181 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2020 Wentworth St, Whitby, ON L1N 9A8
Based in Ajax
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 183 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 183 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Ajax
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 141 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 141 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#9 Enercare
Based in Pickering, 19 km away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 1,023 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,023 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oshawa, 12 km away
62/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 6,966 Google reviews.
- 4.8★ from 6,966 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1155 Boundary Rd Unit 8, Oshawa, ON L1J 6Z7
Based in Ajax
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 123 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 123 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 62 Grainger Crescent, Ajax, ON L1T 4Y6
#12 Fix Plumbing
Based in Ajax
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 180 Station St, Ajax, ON L1S 1R9
Based in Oshawa, 9 km away
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 195 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 195 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 111 Industrial Dr Unit 31, Whitby, ON L1N 5Z9
Based in Ajax
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Drainage service”.
- 4.9★ from 70 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Pickering, 3 km away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 130 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 130 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1885 Clements Rd #270, Pickering, ON L1W 3V4
#16 Golding Plumbing
Based in Pickering, 5 km away
61/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 84 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Faylee Crescent, Pickering, ON L1V 3B1
Based in Ajax
61/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#18 PR Plumbing
Based in Oshawa, 18 km away
61/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 401 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 401 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 957 Grandview St N, Oshawa, ON L1K 2E3
Based in Markham, 19 km away
61/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 479 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 479 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Ajax
61/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 109 Barnes Dr, Ajax, ON L1S 5E7
Based in Oshawa, 12 km away
61/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 134 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Creekwood Crescent, Whitby, ON L1R 2K1
Based in Scarborough, 25 km away
61/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 430 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 430 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 123 S Woodrow Blvd, Scarborough, ON M1N 3L8
Based in Oshawa, 9 km away
61/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 114 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 114 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 407 Rosedale Dr, Whitby, ON L1N 1Z5
Based in Ajax
61/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 26 Carberry Crescent, Ajax, ON L1Z 1S1
Based in Pickering, 8 km away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 63 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1661 Amberlea Rd, Pickering, ON L1V 6P4
Top 50 of 560 plumbers by emergency score
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
How we ranked emergency plumbers in Ajax
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. 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 | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |
Emergency plumbers in Ajax: questions
Which plumbers in Ajax are open 24/7?
25 on this list post 24/7 hours, including Sewer Squad Plumbing, 2 Bro's Plumbing, Vaillancourt Plumbing & Drains, Mr Rooter Plumbing of Ajax-Pickering and Mr. Rooter Plumbing of Whitby-Oshawa.
Who is ranked #1 for emergency plumbing in Ajax, ON?
Sewer Squad Plumbing is #1, with a CR Score of 66 out of 100 on emergency weights.
How are emergency plumbers in Ajax ranked?
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. 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.
What should I do before the plumber arrives?
Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.
How many emergency plumbers here list a phone number?
25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.
Update log for Ajax
- October 2026: CR Scores recalculated for 560 plumbers serving Ajax.
- October 2026: 2 duplicate listings merged.