Licensing status has not been verified for Markham Backflow Plumbing & Mechanical. Contact them directly to confirm current credentials before hiring.

Does Markham Backflow Plumbing & Mechanical have insurance?

WSIB insurance status is not verified for Markham Backflow Plumbing & Mechanical. Request proof of workplace insurance and liability coverage before hiring.

What is Markham Backflow Plumbing & Mechanical’s rating?

Markham Backflow Plumbing & Mechanical has a ProScore Trust Score of 52/100 (Basic), calculated from 1 data source including 14 Google reviews.

Where is Markham Backflow Plumbing & Mechanical located?

Markham Backflow Plumbing & Mechanical is a plumber serving Whitchurch-Stouffville, Ontario. You can reach them at +1 416-554-2213. View their full profile on ProScore for reviews and credentials.

Business Details

23 Kartok Ave, Whitchurch-Stouffville, ON L4A 0R2

Plumber

View on Google Maps

Hours

Monday8a.m.-6p.m.

Tuesday8a.m.-6p.m.

Wednesday8a.m.-6p.m.

Thursday8a.m.-6p.m.

Friday8a.m.-6p.m.

SaturdayClosed

SundayClosed

Services Offered

Drain cleaningPipe repairWater heater installationFixture installationEmergency plumbingLeak detection

Emergency Service

Credentials

Insurance

Not 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

Homeowner Guides

How much does this service cost in Ontario?Red flags when hiring Plumber FAQs in Whitchurch-Stouffville View all guides →

Data Transparency

Sources: Google
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 Whitchurch-Stouffville

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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is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date.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.