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Vaillancourt Plumbing & Drains logoVaillancourt Plumbing & Drains

Oshawa, ON
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Emergency ServiceWSIBTSSA LicensedBBB AccreditedResponds to Reviews
3 Credentials Verified
ProScore

This score reflects 1377 Google reviews, ratings from 2 platforms in all, licensed and verified.

How is this calculated?
Score updated: Oct 2026

About Vaillancourt Plumbing & Drains

AI-generated summary from ProScore data sources

Vaillancourt Plumbing & Drains handles repair work in Oshawa, available 24/7. The plumbers are known for diagnosing problems thoroughly, explaining issues clearly, and offering practical money-saving advice. Office staff and technicians alike are responsive and attentive from booking through follow-up, and work is completed efficiently and cleanly. Online estimates are available, and the business accepts credit cards.

  • Vaillancourt Plumbing & Drains: ProScore 88, 1st of 22 scored plumbers in Oshawa.
  • 1377 Google reviews (4.9 stars; median 35) for Vaillancourt Plumbing & Drains, ahead of 23 of 23 plumbers.
Rated on 2 independent platformsProScore found ratings for this business on 2 independent review platforms. Each one is listed in "Ratings Across Platforms" below.Government-licensedWSIB coverage confirmedElite Trust Score

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What Customers Say

AI analysis of 10 Google reviews

Top Strengths

Exceptional professionalism and efficiency - multiple reviewers praised punctuality, clean work, and quick problem resolution
Strong diagnostic expertise and educational approach - plumbers explain issues thoroughly and offer money-saving recommendations
Outstanding customer service from office staff through completion - responsive booking, scheduling, and follow-up calls praised
professionalefficientfriendlyknowledgeableprompt

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

3 sources · 1,735 reviews
GoogleListing found
Google Business Profile reviews
4.9/5
1,377 reviews
Review platform BListing found
Independent review platform · name withheld by policy
5.0/5
358 reviews
BBBListing found
Better Business Bureau · accredited · as of March 2026
A+Rating · accredited

Review platform C not yet checked.

ProScore aggregates Google, the BBB and other major review platforms. Some sources are not named publicly.

How sources are weighted: ProScore methodology.

Things to Know

Elite Status

Scores in ProScore’s Elite tier — the highest level a Plumber contractor can reach, earned from strong, consistent signals across the sources ProScore checks.

Highly Rated

Consistently rated 4.9 stars across 1,377 Google reviews.

Rated on Multiple Platforms

Independently rated on 2 review platforms — ratings that agree across sources are harder to game.

WSIB Verified

Workplace Safety and Insurance Board coverage confirmed — you're protected.

TSSA Licensed

Licensed with the Technical Standards and Safety Authority — confirmed against the register.

BBB Accredited · A+

Better Business Bureau accredited with an A+ rating.

Google Review Breakdown

1,377 total
5
1,286
4
78
3
3
2
1
1
9

Featured Review

From Google

“

I highly recommend Vaillancourt Plumbing & Drains Ltd if you value true peace of mind.<br><br>In the middle of winter, my hot water tank — which had already failed several times before — broke down again. I managed to get a couple of opinions and estimates quickly, but something just didn’t sit right. I decided to get one more opinion and contacted Trevor at Vaillancourt Plumbing & Drains Ltd — and I’m so glad I did.<br><br>Trevor took the time to answer all my questions thoroughly. He provided

G
Gloria dasilva
Google Review

Frequently Asked Questions

Is Vaillancourt Plumbing & Drains licensed?
Yes, Vaillancourt Plumbing & Drains holds a TSSA licence, verified by ProScore against the Technical Standards and Safety Authority database.
Does Vaillancourt Plumbing & Drains have insurance?
Yes, Vaillancourt Plumbing & Drains has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.
What is Vaillancourt Plumbing & Drains’s rating?
Vaillancourt Plumbing & Drains has a ProScore Trust Score of 88/100 (Elite), calculated from 3 data sources including 1377 Google reviews.
Where is Vaillancourt Plumbing & Drains located?
Vaillancourt Plumbing & Drains is a plumber serving Oshawa, Ontario. You can reach them at +1 289-275-6655. View their full profile on ProScore for reviews and credentials.

Business Details

27 Warren Ave, Oshawa, ON L1J 4E9
Plumber

Hours

Every dayOpen 24 hours

Services Offered

Drain cleaningPipe repairWater heater installationFixture installationEmergency plumbingLeak detection

Services & Info

Open 24 HoursEmergency ServiceOnsite servicesOnline estimates

Crowd

LGBTQ+ friendlyTransgender safe space

Other

LGBTQ+ friendly

Payments

Credit cards

Offerings

Repair services

Service options

Credentials

TSSA License
000394130
✓ Confirmed
Insurance
Not Confirmed
WSIB Coverage
✓ Confirmed

Credentials are as reported by contractors and public sources — verify each with the contractor and the issuing authority before hiring.Check it yourself: WSIB clearance · Skilled Trades Ontario Public Register · TSSA fuels contractor registry

Data Transparency

Sources
Google, BBB, major review platforms, and Ontario regulatory records
Score computed
October 13, 2026

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Checked by ProScore

What is the ProScore?

One score from 0 to 100 across every review platform and public registry ProScore checks. How the ProScore works

≥81
Elite
≥70
Trusted
≥54
Good
≥30
Basic
<30
Caution
—
Not yet rated

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Compare Plumbers in Oshawa

See how Vaillancourt Plumbing & Drains ranks against other plumbers in Oshawa on ProScore.

A ProScore is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date. Before hiring, independently verify all credentials, including licences, insurance (including WSIB) and references, directly with the contractor and the issuing authority. Full data notice. Something wrong? Let us know.