Guest Plumbing & HVAC is a plumber serving St. Catharines, Ontario. You can reach them at +1 647-931-8846. View their full profile on ProScore for reviews and credentials.

Business Details

76 Lake St, St. Catharines, ON L2R 5X4

Plumber

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Hours

Every dayOpen 24 hours

Services Offered

Drain cleaningPipe repairWater heater installationFixture installationEmergency plumbingLeak detection

Open 24 HoursEmergency 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 St. Catharines View all guides →

Data Transparency

Sources: Google and BBB
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

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is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date.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