Plumber Professional

Custom Plumbing

Sarnia, ON

Emergency ServiceWSIBBBB AccreditedResponds to Reviews

+1 519-337-1545 Website

2 Credentials Verified

77out of 100

Trusted

ProScore

This score reflects 74 Google reviews, WSIB coverage confirmed.

How is this calculated?

Score updated: Oct 2026

About Custom Plumbing

AI-generated summary from ProScore data sources

Custom Plumbing has served Sarnia since 1991 and is known for responsive, efficient repair work—customers report same-day and half-hour service arrivals—with many returning for years. The business operates weekdays from a location with on-site parking, wheelchair-accessible entrance, and accessible parking.

Custom Plumbing: ProScore 77, 3rd of 11 scored plumbers in Sarnia.
74 Google reviews (4.2 stars; median 24) for Custom Plumbing, ahead of 9 of 11 plumbers.

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What Customers Say

AI analysis of 9 Google reviews

Top Strengths

Exceptional responsiveness and speed - multiple mentions of same-day or half-hour service arrivals

Long-standing reputation with consistent quality - serving families since 1991, clients using them for 5+ years repeatedly

Transparent pricing and cost-effectiveness - described as 'good prices,' 'economical fix,' and quoting considerably less than competitors

reliableprofessionalquick servicecourteousknowledgeable

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

2 sources · 74 reviews

GoogleListing found

Google Business Profile reviews

4.2/5

74 reviews

BBBListing found

Better Business Bureau · accredited · as of March 2026

A+Rating · accredited

No rating yet on Review platform C. Not found on Review platform B.

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

Trusted Level

Scores in ProScore’s Trusted tier — strong, consistent signals across the sources ProScore checks.

Extensive Review History

74 Google reviews on record — a large sample behind the 4.2 average.

WSIB Verified

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

BBB Accredited · A+

Better Business Bureau accredited with an A+ rating.

What Reviews Highlight

Reviews mention: reliable, professional, quick service.

Google Review Breakdown

74 total

Featured Review

From Google

“

Excellent Experience. Highly Recommend.<br><br>It was time to update the only bathroom in my 95-year-old home. As a retiree, modifying the bathroom to accommodate additional safety features was key.<br><br>The project included installing a tub, replacing the sewer stack, moving the location of pipes and drains, accommodating the timeline and delays of other trades and relocating the sink and toilet. I contacted Custom Plumbing to review the scope of the renovation and was assured that my requ

Nan Tait

Google Review

Photos & Work

1 photo

Other top rated plumber in Sarnia

Royalty Plumbing

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4.9(63)

Reliance Home Comfort

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4.8(3293)

Handy Bros. HVAC Sarnia (AC and Furnace Repair)

Sarnia

4.9(311)

Saucier Plumbing and Heating

Sarnia

4.5(48)

More plumbers in Sarnia

Frequently Asked Questions

Is Custom Plumbing licensed?

Licensing status has not been verified for Custom Plumbing. Contact them directly to confirm current credentials before hiring.

Does Custom Plumbing have insurance?

Yes, Custom Plumbing has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.

What is Custom Plumbing’s rating?

Custom Plumbing has a ProScore Trust Score of 77/100 (Trusted), calculated from 2 data sources including 74 Google reviews.

Where is Custom Plumbing located?

Custom Plumbing is a plumber serving Sarnia, Ontario. You can reach them at +1 519-337-1545. View their full profile on ProScore for reviews and credentials.

Business Details

345 Ontario St Unit B, Sarnia, ON N7T 1M2

Plumber

View on Google Maps

Hours

Monday8a.m.-4p.m.

Tuesday8a.m.-4p.m.

Wednesday8a.m.-4p.m.

Thursday8a.m.-4p.m.

Friday8a.m.-4p.m.

SaturdayClosed

SundayClosed

Services Offered

Drain cleaningPipe repairWater heater installationFixture installationEmergency plumbingLeak detection

Services & Info

Emergency Service

Parking

On-site parking

Offerings

Repair services

Accessibility

Wheelchair accessible seatingWheelchair-accessible entranceWheelchair-accessible parking lot

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 Sarnia View all guides →

Data Transparency

Sources: Google, BBB, 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 Sarnia

See how Custom Plumbing ranks against other plumbers in Sarnia on ProScore.

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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.