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Emergency Plumbers in Waterloo, ON (2026)

Top 50 of 221 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

    #1 for emergency plumbing in Waterloo: Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo, 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 Waterloo at a glance

Top emergency plumbers in Waterloo at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo634.8★ (457)Kitchener, 3 km away24/7
2Tiger Plumbing634.8★ (389)Kitchener, 2 km away24/7
3Mr. Rooter Plumbing Of Kitchener ON634.7★ (878)Kitchener, 8 km away24/7
4Tri City Plumbing Inc.634.9★ (280)Kitchener, 3 km away24/7
5TRH Plumbing & Heating Inc634.9★ (149)Waterloo24/7
6DrainTech Plumbing Kitchener624.9★ (173)Kitchener, 4 km away24/7
7PLUMBER ON DEMAND of KITCHENER, ON624.9★ (190)Kitchener, 5 km away24/7
8Reliance Heating, Air Conditioning & Plumbing624.7★ (2,268)Waterloo24/7
9Eco-Pro Plumbing & Drains Inc.624.9★ (550)Cambridge, 18 km away24/7
10Mr. Rooter Plumbing of Waterloo ON624.6★ (318)Kitchener, 7 km away24/7

Call an emergency plumber in Waterloo 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.

The 50 emergency plumbers in Waterloo, 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 221 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.

  2. #2 Tiger Plumbing

    Based in Kitchener, 2 km away

    63/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 389 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 389 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    262 Breithaupt St, Kitchener, ON N2H 5H5
    View profile for Tiger Plumbing(519) 585-1840

  16. #16 1-Tom-Plumber

    Based in Cambridge, 20 km away

    61/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 257 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 257 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    520 Thompson Dr #6, Cambridge, ON N1T 2K8
    View profile for 1-Tom-Plumber(519) 804-4491

  19. #19 Bartlett Plumbing

    Based in Cambridge, 18 km away

    60/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 139 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 139 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    Walker St, Cambridge, ON N3C 2C3
    View profile for Bartlett Plumbing(519) 260-0693

  23. #23 Force Plumbing Inc.

    Based in Kitchener, 5 km away

    59/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 28 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    24 Rosedale Ave, Kitchener, ON N2H 1J3
    View profile for Force Plumbing Inc.(519) 998-8018

  24. #24 J Nelson Services

    Based in Kitchener, 4 km away

    59/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    60 Charles Best Pl, Kitchener, ON N2M 5A3
    View profile for J Nelson Services(519) 897-2772

Top 50 of 221 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.

plumbers in Waterloo, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26365 Heating, Cooling, Plumbing & Electrical594.9★ (378)8 km
27Dave Hurst Plumbing & Heating Inc.594.0★ (147)7 km
28Arbuckle Plumbing Solutions595.0★ (128)25 km
29Green Leaf Plumbing and Contracting595.0★ (30)10 km
30Stanton Mechanical Ltd594.6★ (14)3 km
31Brooks Brothers Plumbing585.0★ (62)20 km
32Mr. Rooter Plumbing of Guelph584.7★ (170)25 km
33PHD Plumbing Solutions585.0★ (35)15 km
34Superior Plumbing & Heating of Cambridge584.7★ (100)20 km
35Dunn Heating and Air Conditioning584.7★ (969)In Waterloo
36Greenflow Plumbing585.0★ (26)12 km
37Executive Plumbing584.9★ (50)19 km
38Local Heating And Cooling585.0★ (397)In Waterloo
39Priority Heating, Cooling & Plumbing584.9★ (593)18 km
40Kitchener Plumbing Pros585.0★ (11)7 km
41Oakridge Plumbing Solutions584.4★ (11)5 km
42Advantage Plumbing KW585.0★ (10)7 km
43Pro Flow Plumbing Solutions585.0★ (33)18 km
44Grant Mechanical Inc.585.0★ (10)8 km
45Boehmers/Cronin Emery Home Services by Enercare574.8★ (1,534)12 km
46Aire One Heating & Cooling Cambridge574.9★ (2,155)18 km
47Advance Heating & Cooling KW575.0★ (451)8 km
48Basem Plumbing and Heating574.7★ (42)22 km
49DAS PLUMBING & DRAINS575.0★ (11)12 km
50Tiger Plumbing Inc574.3★ (6)5 km

How we ranked emergency plumbers in Waterloo

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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency plumbers in Waterloo: questions

Which plumbers in Waterloo are open 24/7?

25 on this list post 24/7 hours, including Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo, Tiger Plumbing, Mr. Rooter Plumbing Of Kitchener ON, Tri City Plumbing Inc. and TRH Plumbing & Heating Inc.

Who is ranked #1 for emergency plumbing in Waterloo, ON?

Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency plumbers in Waterloo 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 Waterloo

  1. October 2026: CR Scores recalculated for 221 plumbers serving Waterloo.
  2. October 2026: 1 duplicate listing merged.

More emergency and plumbing pages