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ContractorsRanked

Emergency Plumbers in Ottawa, ON (2026)

Top 50 of 159 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 Ottawa: John The Plumber, 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 Ottawa at a glance

Top emergency plumbers in Ottawa at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1John The Plumber944.8★ (2,209)Ottawa24/7
2Mr. Rooter Plumbing of Ottawa934.7★ (1,773)Ottawa24/7
3The Irish Plumber934.8★ (753)Ottawa24/7
4John The Plumber924.9★ (342)Ottawa24/7
5Environmental Plumbing and Drains924.8★ (419)Ottawa24/7
6The Super Plumber - Ottawa914.9★ (261)Ottawa24/7
7Canada Plumbing915.0★ (177)Ottawa24/7
8Reliance Holmes Ottawa Heating, Air Conditioning & Plumbing914.7★ (8,352)Ottawa24/7
9B&W Plumbing915.0★ (150)Ottawa24/7
10Plumbing Now914.8★ (289)Ottawa24/7

Call an emergency plumber in Ottawa 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 Ottawa, 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 159 is on the plumbers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Ottawa

    #1 John The Plumber

    Based in Ottawa

    94/100CR Score

    Ranked #1 because of its Google rating and availability: 4.8★ from 2,209 Google reviews, open 24/7.

    • 4.8★ from 2,209 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1541 Riverside Dr., Ottawa, ON K1G 4E2
    View profile for John The Plumber(613) 706-5315

  7. #7 Canada Plumbing

    Based in Ottawa

    91/100CR Score

    Ranked #7 because of its Google rating and availability: 5.0★ from 177 Google reviews, open 24/7.

    • 5.0★ from 177 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5330 Canotek Rd Unit 22, Ottawa, ON K1J 9C1
    View profile for Canada Plumbing(613) 890-7700

  9. #9 B&W Plumbing

    Based in Ottawa

    91/100CR Score

    Ranked #9 because of its Google rating and availability: 5.0★ from 150 Google reviews, open 24/7.

    • 5.0★ from 150 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    50 Cleopatra Dr, Ottawa, ON K2G 0B3
    View profile for B&W Plumbing(613) 880-1276

  10. #10 Plumbing Now

    Based in Ottawa

    91/100CR Score

    Ranked #10 because of its Google rating and availability: 4.8★ from 289 Google reviews, open 24/7.

    • 4.8★ from 289 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2487 Kaladar Ave #2120, Ottawa, ON K1V 8B9
    View profile for Plumbing Now(613) 800-9696

  17. #17 Its Plumbing

    Based in Ottawa

    89/100CR Score

    Ranked #17 because of its Google rating and availability: 4.9★ from 70 Google reviews, open 24/7.

    • 4.9★ from 70 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1680 Woodward Dr Unit 206, Ottawa, ON K2C 3R7
    View profile for Its Plumbing(343) 500-1109

  24. #24 Enercare

    Based in Ottawa

    88/100CR Score

    Ranked #24 because of its Google rating and availability: 4.7★ from 5,672 Google reviews, open 24/7.

    • 4.7★ from 5,672 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2160 Thurston Dr, Ottawa, ON K1G 6E1
    View profile for Enercare(613) 216-0023

Top 50 of 159 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 Ottawa, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Environmental Plumbing884.9★ (163)18 km
27Enercare884.8★ (2,654)In Ottawa
28Out of This World Plumbing874.9★ (111)18 km
29Tourangeau Mechanical875.0★ (16)In Ottawa
30The Irish Plumber874.9★ (110)20 km
31Dr. Pipe Drain and Plumbing875.0★ (65)17 km
32Clean Water Works864.1★ (114)In Ottawa
33Pennex Backflow Prevention & Plumbing864.8★ (12)In Ottawa
34Superior Plumbing & Heating of Ottawa864.6★ (14)In Ottawa
35Zibi Plumbing865.0★ (9)In Ottawa
36S & R Plumbing Service864.6★ (131)17 km
37The Irish Plumber864.8★ (88)19 km
38Offset Plumbing865.0★ (7)In Ottawa
39MAYA Plumbing865.0★ (46)20 km
40Masterson Mechanical Inc.864.0★ (28)In Ottawa
41GFL Environmental (Formerly Drain-All)853.9★ (37)In Ottawa
42Hani Plumbing Services855.0★ (27)15 km
43TPH Plumbing & Heating Inc853.9★ (36)In Ottawa
44Canada Plumbing Inc855.0★ (5)In Ottawa
45Ottawa Plumbing Service - Plumber in Ottawa, Ontario853.9★ (15)In Ottawa
46613 Plumbing855.0★ (61)26 km
47Offset Plumbing855.0★ (3)In Ottawa
48Tipi Plumbing Inc854.5★ (13)In Ottawa
49OttaWater Plumbing inc.855.0★ (11)12 km
50Diguer Plumbing Services844.9★ (92)33 km

How we ranked emergency plumbers in Ottawa

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency plumbers in Ottawa: questions

Which plumbers in Ottawa are open 24/7?

25 on this list post 24/7 hours, including John The Plumber, Mr. Rooter Plumbing of Ottawa, The Irish Plumber, John The Plumber and Environmental Plumbing and Drains.

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

John The Plumber is #1, with a CR Score of 94 out of 100 on emergency weights.

How are emergency plumbers in Ottawa ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 Ottawa

  1. October 2026: CR Scores recalculated for 159 plumbers serving Ottawa.

More emergency and plumbing pages