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Plumber Professional

Supreme Plumbing & Heating Inc.

Oldcastle, ON
Compare with similar plumber providers in Oldcastle →
Emergency ServiceWSIBTSSA Licensed
Website(opens in new tab)
2 Credentials Verified
ProScore

This score reflects 5 Google reviews, licensed and verified.

How is this calculated?
Score updated: Oct 2026

About Supreme Plumbing & Heating Inc.

AI-generated summary from ProScore data sources

Supreme Plumbing & Heating Inc. is a plumber based in Oldcastle, Ontario, operating 24 hours a day, seven days a week and accepting repair work and credit card payments.

  • Supreme Plumbing & Heating Inc.: one of 4 plumbers in Oldcastle.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.Government-licensedWSIB coverage confirmed

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 5 reviews
GoogleListing found
Google Business Profile reviews
5.0/5
5 reviews

Not found on 3 other platforms ProScore checks (Review platform B, BBB, Review platform C).

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

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.

Open 24 Hours

Every posted day shows 24-hour availability.

Google Review Breakdown

5 total
5
5
4
0
3
0
2
0
1
0

Other top rated plumber in Oldcastle

Pro Trades Mechanical Inc.
77
Oldcastle
4.7(215)
Mailloux Mechanical Ltd.
72
Oldcastle
4.9(46)
Pannunzio Drainage Inc
67
Oldcastle
4.6(28)

Frequently Asked Questions

Is Supreme Plumbing & Heating Inc. licensed?
Yes, Supreme Plumbing & Heating Inc. holds a TSSA licence, verified by ProScore against the Technical Standards and Safety Authority database.
Does Supreme Plumbing & Heating Inc. have insurance?
Yes, Supreme Plumbing & Heating Inc. has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.
What is Supreme Plumbing & Heating Inc.’s rating?
Supreme Plumbing & Heating Inc. has a ProScore Trust Score of 55/100 (Good), calculated from 1 data source including 5 Google reviews.
Where is Supreme Plumbing & Heating Inc. located?
Supreme Plumbing & Heating Inc. is a plumber serving Oldcastle, Ontario. View their full profile on ProScore for reviews and credentials.

Business Details

5555 Walker Rd, Oldcastle, ON N0R 1L0
Plumber
View on Google Maps

Hours

Every dayOpen 24 hours

Services Offered

Drain cleaningPipe repairWater heater installationFixture installationEmergency plumbingLeak detection

Services & Info

Open 24 HoursEmergency Service

Payments

Credit cards

Offerings

Repair services

Credentials

TSSA License
FS R000076640248
✓ 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 · TSSA fuels contractor registry

Homeowner Guides

How much does this service cost in Ontario?Red flags when hiringPlumber FAQs in OldcastleView all guides →

Data Transparency

Sources
Google 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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Still researching?

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Compare Plumbers in Oldcastle

See how Supreme Plumbing & Heating Inc. ranks against other plumbers in Oldcastle on ProScore.

View ranked list of plumbers in Oldcastle →

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.