Best plumbers in Ottawa and near you, ranked by the numbers
Canada Plumbing is the #1 plumber in Ottawa with a score of 4.93. It has a perfect rating of 5.0 with 176 reviews, the most of the top three.
All three leading plumbers have a rating of 5.0. The number of reviews will determine who comes first. Canada Plumbing has 176 reviews, Summit Drain & Plumbing Ottawa has 129 reviews and Plomberie Nasau has 101 reviews. They are all within 0.04 points of each other. Plumbers tend to have a low number of reviews, so 43 out of 78 ranked plumbers have a low confidence.
Ottawa-area average. Data: . Refresh due: . Method.
0 of 26
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#1 vs Google’s pick on this page
#1Google’s pick
fromOttawa Score 4.93fromOttawaCanada Plumbing
Top of 78Beacon Hill · East End
5330 Canotek Rd · Google 5.0 (176 reviews)
- Why: Stored rank #1; score 4.93/5.
5.0 stars from 176 reviews; 77% of the score is its own rating.
Score breakdown
Confidence: medium (76.9%). R = 5; v = 176; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
fromOttawa Score 4.91fromOttawaSummit Drain & Plumbing Ottawa
Kanata
70 McDermot Ct · Google 5.0 (129)
- Why: Stored rank #2; score 4.91/5.
5.0 stars from 129 reviews; 71% of the score is its own rating.
Score breakdown
Confidence: medium (70.9%). R = 5; v = 129; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
fromOttawa Score 4.90fromOttawaPlomberie Nasau
Gatineau
40 Rue Thérien · Google 5.0 (101)
- Why: Stored rank #3; score 4.90/5.
5.0 stars from 101 reviews; 66% of the score is its own rating.
Score breakdown
Confidence: medium (65.6%). R = 5; v = 101; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
Ranks 4 to 26
Showing 23 of 23 places below the first three on this page.
Each marker sits on the address saved with the place, top 3 included. Map data © OpenStreetMap contributors.
None of the places that match have a saved location.
Ranks 4 to 10: Just off the podium
- fromOttawa Score 4.89
Rank 4: John The Plumber Orleans
4.9 stars from 697 reviews; 93% of the score is its own rating.
Score breakdown
Confidence: high (92.9%). R = 4.9; v = 697; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.88
Rank 5: Hydra Plumbing
5.0 stars from 85 reviews; 62% of the score is its own rating.
Score breakdown
Confidence: medium (61.6%). R = 5; v = 85; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.88
Rank 6: The Super Plumber - Ottawa
4.9 stars from 520 reviews; 91% of the score is its own rating.
Score breakdown
Confidence: high (90.8%). R = 4.9; v = 520; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.87
Rank 7: Piping Craft - Plumbing Services Ottawa
5.0 stars from 75 reviews; 59% of the score is its own rating.
Score breakdown
Confidence: medium (58.6%). R = 5; v = 75; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.87
Rank 8: The Good Plumber Le Bon Plombier Incorporated
5.0 stars from 66 reviews; 55% of the score is its own rating.
Score breakdown
Confidence: medium (55.5%). R = 5; v = 66; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.86
Rank 9: B&W Plumbing
4.9 stars from 230 reviews; 81% of the score is its own rating.
Score breakdown
Confidence: medium (81.3%). R = 4.9; v = 230; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.86
Rank 10: Environmental Plumbing
4.9 stars from 200 reviews; 79% of the score is its own rating.
Score breakdown
Confidence: medium (79.1%). R = 4.9; v = 200; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
By part of town
These 26 plumbers records are grouped by saved address. West End holds the most, with 13. Each area’s best is a tap away.
1Gatineau sideacross the river
- Gatineau 1#3 · Plomberie Nasau
13West End
- Kanata 4#2 · Summit Drain & Plumbing Ottawa
- Nepean 3#7 · Piping Craft - Plumbing Services Ottawa
- Kanata North 2#10 · Environmental Plumbing
- Westboro 1#12 · PenTech Plumbing & Mechanical
- and 3 more areas
1Downtown
- Glebe 1#17 · Offset Plumbing
8East End
- Orléans 6#4 · John The Plumber Orleans
- Beacon Hill 1#1 · Canada Plumbing
- Gloucester 1#6 · The Super Plumber - Ottawa
3South Endbelow the Queensway
- Barrhaven 1#21 · Dr. Pipe
- Riverside South 1#22 · The Irish Plumber
- Alta Vista 1#25 · Superior Plumbing & Heating of Ottawa
11 to 15Worth the detour
- fromOttawa Score 4.84
Rank 11: Pipes Plumbing
4.9 stars from 140 reviews; 73% of the score is its own rating.
Score breakdown
Confidence: medium (72.5%). R = 4.9; v = 140; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.84
Rank 12: PenTech Plumbing & Mechanical
4.9 stars from 127 reviews; 71% of the score is its own rating.
Score breakdown
Confidence: medium (70.6%). R = 4.9; v = 127; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.84
Rank 13: Out of This World Plumbing
4.9 stars from 123 reviews; 70% of the score is its own rating.
Score breakdown
Confidence: medium (69.9%). R = 4.9; v = 123; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.84
Rank 14: DH Plumbing & Heating
4.9 stars from 115 reviews; 68% of the score is its own rating.
Score breakdown
Confidence: medium (68.5%). R = 4.9; v = 115; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.83
Rank 15: Rhino Plumbing
5.0 stars from 44 reviews; 45% of the score is its own rating.
Score breakdown
Confidence: low (45.4%). R = 5; v = 44; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
16 to 26Good backups to know
- fromOttawa Score 4.83
Rank 16: Plumbing Express
5.0 stars from 43 reviews; 45% of the score is its own rating.
Score breakdown
Confidence: low (44.8%). R = 5; v = 43; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.83
Rank 17: Offset Plumbing
4.9 stars from 102 reviews; 66% of the score is its own rating.
Score breakdown
Confidence: medium (65.8%). R = 4.9; v = 102; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.82
Rank 18: Plumbing by Adam
5.0 stars from 38 reviews; 42% of the score is its own rating.
Score breakdown
Confidence: low (41.8%). R = 5; v = 38; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
Website not recorded - fromOttawa Score 4.82
Rank 19: Eastern Ottawa Plumbing
5.0 stars from 37 reviews; 41% of the score is its own rating.
Score breakdown
Confidence: low (41.1%). R = 5; v = 37; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.82
Rank 20: Its Plumbing
4.9 stars from 84 reviews; 61% of the score is its own rating.
Score breakdown
Confidence: medium (61.3%). R = 4.9; v = 84; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.82
Rank 21: Dr. Pipe
4.9 stars from 79 reviews; 60% of the score is its own rating.
Score breakdown
Confidence: medium (59.8%). R = 4.9; v = 79; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.81
Rank 22: The Irish Plumber
4.9 stars from 67 reviews; 56% of the score is its own rating.
Score breakdown
Confidence: medium (55.8%). R = 4.9; v = 67; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.80
Rank 23: Tackle Plumbing
5.0 stars from 29 reviews; 35% of the score is its own rating.
Score breakdown
Confidence: low (35.4%). R = 5; v = 29; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.80
Rank 24: OttaWater Plumbing inc.
5.0 stars from 27 reviews; 34% of the score is its own rating.
Score breakdown
Confidence: low (33.8%). R = 5; v = 27; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.80
Rank 25: Superior Plumbing & Heating of Ottawa
5.0 stars from 27 reviews; 34% of the score is its own rating.
Score breakdown
Confidence: low (33.8%). R = 5; v = 27; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
- fromOttawa Score 4.79
Rank 26: Plumber
5.0 stars from 24 reviews; 31% of the score is its own rating.
Score breakdown
Confidence: low (31.2%). R = 5; v = 24; C = 4.6978; m = 53. Score = (v / (v + m)) × R + (m / (v + m)) × C.
Website not recorded
No place below the first three on this page matches. Try another name or street.
Same stars, different scores. Why?
Score = (v / (v + m)) × R + (m / (v + m)) × C. Ottawa-area average: C = 4.697752808988764; m = 53. R is the recorded Google rating; v is the recorded review count. Confidence is v / (v + m), the rating’s weight in the score.
How we score. Google stars, weighted by review count, pulled toward that average. Data from .
- Canada Plumbing 5.0 stars · 176 reviews
- Summit Drain & Plumbing Ottawa 5.0 stars · 129 reviews
- Plomberie Nasau 5.0 stars · 101 reviews
Filled square: score. Open circle: Google rating. The axis starts at 4.4; all values are out of 5.
Places screened for this list
872 unique places screened; 794 excluded in the saved list file. 78 ranked places.
- Chains with 10+ locations in Canada
- 15
- Alcohol or excluded type
- 2
- Gambling
- 0
- Under 10 reviews
- 229
- Closed
- 0
- Out of area or category
- 722
- Other source checks
- 34
Reason counts can overlap. Other source checks include identity, rating, branch and pending chain checks. Counts describe the saved screening, not complete local coverage.
Data checked . How we screen and score.
Local talk
Reddit data is partial for this list. Saved matches are review-only research and do not affect the rank.
- Hot Water Ottawa: Reddit discussion · Posted:
- The Super Plumber - Ottawa: Reddit discussion · Posted:
- Out of This World Plumbing: Reddit discussion · Posted:
Reddit pull date: .
TikTok
- 0 TikTok results in the saved Google organic pull for “plumber ottawa tiktok”. Pull date: .
- 7 Instagram results in the saved Google organic pull for “plumber ottawa instagram”. Pull date: .
These are search results, not platform post totals, views or endorsements.
Questions
If all three are rated 5.0, does the ranking matter?
Not by much. Canada Plumbing leads Summit Drain & Plumbing Ottawa by 0.02 points and Plomberie Nasau by 0.03 points. Any of these three plumbers would be a good choice. Whether one is available for your job and serves your side of the river matters more than that gap.
What does the review weight of 53 mean?
If a plumber has 53 reviews its score will be based on half its own rating and half the Ottawa-area average of 4.70. Canada Plumbing has 176 reviews, so its rating of 5.0 makes up 77% of its score, which gives it a score of 4.93.
Why are some plumbers left out?
There were 38 plumbers with fewer than 10 reviews on 2026-10-29, which is below our minimum. The list refreshes every 90 days, so they can come in later.