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Plumbers in Oakville

24 plumbers in Oakville with multi-platform trust scores.

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Who is the best plumber in Oakville, Ontario?

The highest-scoring plumbers in Oakville on ProScore are 17 Plumbing & Construction Design Ltd (87/100), Oneplumb plumbing inc. (83/100) and Drain 1 Plumbers Oakville (81/100). ProScore has scored 24 plumbers in Oakville across 10+ data sources and 20+ trust signals. 16 of the 24 are Trusted-tier (70+) or higher.

Star ratings alone do not separate them: 21 of the 24 average 4.5 stars or higher on Google, but only 16 reach Trusted (70+). ProScore also weighs government licensing where it applies, WSIB coverage, ratings on other platforms and what customers say in their reviews.

Trust scores last computed between October 13, 2026 and October 28, 2026.

Which plumbers in Oakville score highest?

All 24 scored plumbers in Oakville, ranked by ProScore.

ProScore scores 24 plumbers in Oakville, and their average score is 70 out of 100. 16 of them reach the Trusted threshold of 70 or higher. 4 are registered with WSIB and 1 holds a TSSA licence. 24 have Google reviews on file — 1,614 reviews in total, and 12 carry a Better Business Bureau rating. Across Ontario, 40% of the plumbers ProScore has scored reach the Trusted threshold; at 67%, Oakville is above the provincial rate.

1
87
Oakville|★5.0
WSIB Verified116 reviews

17 Plumbing & Construction Design Ltd is a plumbing contractor based in Oakville, available 24/7, offering repair work and online estimates, with French-language service and credit card payments accepted.

17 Plumbing & Construction Design Ltd ranks 1st of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 87 out of 100 (Elite tier). Its score draws on 116 Google reviews averaging 5.0 out of 5, 2 reviews on other major review platforms and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.

2
83
Oakville|★5.0
84 reviews

Oneplumb plumbing inc. handles plumbing repair work in Oakville and operates seven days a week, accepting credit cards for on-site jobs.

Oneplumb plumbing inc. ranks 2nd of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 83 out of 100 (Elite tier). Its score draws on 84 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.

3
81
Oakville|★5.0
140 reviews

Drain 1 Plumbers Oakville operates 24 hours, seven days a week, handles repair work on site, and provides online estimates. The business serves Oakville and communicates in English, Polish, and Ukrainian, and accepts credit cards.

Drain 1 Plumbers Oakville ranks 3rd of the 24 plumbers ProScore scores in Oakville, holding a ProScore of 81 out of 100 (Elite tier). Its score draws on 140 Google reviews averaging 5.0 out of 5 and 210 reviews on other major review platforms.

4
79
Oakville|★4.7
58 reviews

Harb Plumbing is a plumber in Oakville that handles repair work on site, operates 24 hours a day seven days a week, and offers service in English and French.

The ProScore for Harb Plumbing draws on 58 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+.

5
79
Oakville|★5.0
117 reviews

ProResults Plumbing Oakville provides residential and commercial plumbing repairs on site, operating 24 hours a day, seven days a week, and accepts credit cards and tap payments.

The ProScore for ProResults Plumbing Oakville – Residential & Commercial Services draws on 117 Google reviews averaging 5.0 out of 5.

6
78
Oakville|★4.8
292 reviews

The ProScore for John The Plumber draws on 292 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.

7
77
Oakville|★4.8
32 reviews

Anta Plumbing Oakville operates 24/7 and handles repair work on site, with online estimates available. They accept credit cards.

The ProScore for Anta Plumbing Oakville draws on 32 Google reviews averaging 4.8 out of 5 and 413 reviews on other major review platforms.

8
77
Oakville|★4.8
47 reviews

Blue Water Mechanical Services is a plumbing company in Oakville that handles repair work and accepts credit card payments, operating seven days a week.

The ProScore for Blue Water Mechanical Services draws on 47 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.

9
77
Oakville|★5.0
WSIB Verified17 reviews

TAS Plumbing is a plumber based in Oakville that handles repair work, provides online estimates, and operates seven days a week, accepting credit cards and communicating in English and American Sign Language.

The ProScore for TAS Plumbing draws on 17 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Public records show TAS Plumbing is registered with WSIB.

10
76
Oakville|★4.6
101 reviews

Superior Plumbing & Heating of Oakville is a plumber based in Oakville that handles repair work on site and operates 24 hours a day, seven days a week.

The ProScore for Superior Plumbing & Heating of Oakville draws on 101 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of A+.

11
75
Oakville|★5.0
36 reviews

PeakFlow Plumbing & Drains is a plumber operating 24/7 in Oakville, Ontario, handling repair work on site and accepting credit and tap payments; services are available in Arabic, English, and Hindi.

The ProScore for PeakFlow Plumbing & Drains draws on 36 Google reviews averaging 5.0 out of 5.

12
74
Oakville|★4.9
36 reviews

Crystal Drain & Plumbing is a plumber in Oakville that offers drain cleaning and repair work on site, operates 24 hours a day, seven days a week, and accepts credit cards.

The ProScore for Crystal Drain & Plumbing, Drain Backup, Drain Cleaning Oakville draws on 36 Google reviews averaging 4.9 out of 5.

13
74
Oakville|★5.0
20 reviews

The ProScore for Rosedale Plumbing draws on 20 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.

14
72
Oakville|★4.7
178 reviews

Rooter-Man Plumbing & Waterproofing operates 24 hours, seven days a week in Oakville, with free on-site parking and credit card payments accepted.

The ProScore for Rooter-Man Plumbing & Waterproofing Oakville draws on 178 Google reviews averaging 4.7 out of 5.

15
71
Oakville|★5.0
45 reviews

Charnwood Plumbing Drain Repair offers online estimates for plumbing drain repair work in Oakville.

The ProScore for Charnwood Plumbing Drain Repair draws on 45 Google reviews averaging 5.0 out of 5.

16
71
Oakville|★5.0
WSIB Verified19 reviews

Open 24/7 for emergency and repair plumbing work, Done Right Plumbing Services Inc. operates in Oakville and accepts credit card payments.

The ProScore for Done Right plumbing Services Inc. draws on 19 Google reviews averaging 5.0 out of 5. Public records show Done Right plumbing Services Inc. is registered with WSIB.

17
67
Oakville|★4.5
22 reviews

Precise Plumbing & Drain Services - Oakville operates 24/7 and handles repair work on site throughout Oakville.

The ProScore for Precise Plumbing & Drain Services - Oakville draws on 22 Google reviews averaging 4.5 out of 5.

18
66
Oakville|★5.0
84 reviews

Aquamaster Basement Waterproofing Oakville operates seven days a week and handles basement waterproofing and foundation crack repair in Oakville. The crew arrives on time, works efficiently with daily cleanup, and completes jobs within promised timelines.

The ProScore for Aquamaster Basement Waterproofing Oakville draws on 84 Google reviews averaging 5.0 out of 5.

19
65
Oakville|★3.6
103 reviews

A. McKenna Plumbing is a plumber in Oakville, Ontario, available 24 hours a day, seven days a week for on-site repair work. Credit cards accepted.

The ProScore for A. McKenna Plumbing draws on 103 Google reviews averaging 3.6 out of 5 and a Better Business Bureau rating of A+.

20
62
Oakville|★3.8
13 reviews

Available 24 hours, seven days a week, G Bates Plumbing is a plumbing repair service in Oakville that accepts credit cards.

The ProScore for G Bates Plumbing draws on 13 Google reviews averaging 3.8 out of 5 and a Better Business Bureau rating of A+.

21
55
Oakville|★4.8
22 reviews

The ProScore for Andy Plumbing draws on 22 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.

22
48
Oakville|★4.3
WSIB VerifiedTSSA Licensed28 reviews

The English Plumber & Gas Installer Inc is a plumbing and gas installation business in Oakville, Ontario, open 24 hours a day, seven days a week.

The ProScore for The English Plumber & Gas Installer Inc draws on 28 Google reviews averaging 4.3 out of 5. Public records show The English Plumber & Gas Installer Inc is registered with WSIB and licensed by the TSSA.

23
45
Oakville|★5.0
1 review

Guest Plumbing & HVAC Oakville handles commercial and residential plumbing and HVAC work in Oakville and operates 24 hours, seven days a week.

The ProScore for Guest Plumbing & HVAC Oakville - Commercial & Residential Services draws on 1 Google review averaging 5.0 out of 5.

24
44
Oakville|★5.0
3 reviews

The ProScore for Popeye the plumber draws on 3 Google reviews averaging 5.0 out of 5.

How is a plumber's ProScore calculated?

Every plumber in Oakville is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing where it applies and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.

Read the full methodology →

Frequently Asked Questions

Who is the best plumber in Oakville?

17 Plumbing & Construction Design Ltd has the highest ProScore (87/100) among 24 plumbers in Oakville, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing where it applies, WSIB coverage, and AI-analyzed customer sentiment.

How do I find a trustworthy plumber in Oakville?

Look for plumbers with verified active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Oakville, 3 plumbers hold Elite-tier ProScores (81+), 13 are Trusted-tier (70+), and 5 are Good-tier (54+).

Are plumbers in Oakville licensed?

Yes, the person doing the work has to be. Plumbing is a compulsory trade in Ontario: a plumber needs a Certificate of Qualification, or must be a registered apprentice, and you can check either on the Skilled Trades Ontario public register. Of the top 24 plumbers in Oakville by ProScore, 4 are registered with WSIB according to ProScore’s records.

How many plumbers has ProScore scored in Oakville?

ProScore has scored 24 plumbers in Oakville, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between October 13, 2026 and October 28, 2026.

What's the ProScore distribution among plumbers in Oakville?

Among 24 plumbers in Oakville, Ontario: 3 are Elite-tier (81+), 13 are Trusted-tier (70+), and 5 are Good-tier (54+). Together they average a ProScore of 70/100, with 17 Plumbing & Construction Design Ltd leading at 87/100.

How do plumbers in Oakville compare with Ontario as a whole?

67% of the plumbers ProScore has scored in Oakville reach the Trusted tier (70+), against 40% across Ontario as a whole, so Oakville is above the provincial rate.

Plumbers near Oakville

The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.