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Plumber Professional

Jumbo Plumbing logoJumbo Plumbing

London, ON
Compare with similar plumber providers in London →
Emergency ServiceBBB Accredited
+1 519-805-2623 Website(opens in new tab)
1 Credential VerifiedServing London & area
ProScore

This score reflects 36 Google reviews.

How is this calculated?
Score updated: Oct 2026

About Jumbo Plumbing

AI-generated summary from ProScore data sources

Jumbo Plumbing is a plumber based in London, Ontario, available 24 hours, seven days a week for repair work on site, and accepts credit cards and tap payments.

  • Jumbo Plumbing: ProScore 79, tied 7th of 45 scored plumbers in London.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

2 sources · 36 reviews
GoogleListing found
Google Business Profile reviews
5.0/5
36 reviews
BBBListing found
Better Business Bureau · accredited · as of March 2026
A+Rating · accredited

Not found on 2 other platforms ProScore checks (Review platform B, 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

Trusted Level

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

Highly Rated

Consistently rated 5.0 stars across 36 Google reviews.

BBB Accredited · A+

Better Business Bureau accredited with an A+ rating.

Open 24 Hours

Every posted day shows 24-hour availability.

Google Review Breakdown

36 total
5
36
4
0
3
0
2
0
1
0

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Frequently Asked Questions

Is Jumbo Plumbing licensed?
Licensing status has not been verified for Jumbo Plumbing. Contact them directly to confirm current credentials before hiring.
Does Jumbo Plumbing have insurance?
WSIB insurance status is not verified for Jumbo Plumbing. Request proof of workplace insurance and liability coverage before hiring.
What is Jumbo Plumbing’s rating?
Jumbo Plumbing has a ProScore Trust Score of 79/100 (Trusted), calculated from 2 data sources including 36 Google reviews.
Where is Jumbo Plumbing located?
Jumbo Plumbing is a plumber serving London, Ontario. You can reach them at +1 519-805-2623. View their full profile on ProScore for reviews and credentials.

Business Details

510 William St unit 3, London, ON N6B 3E6
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 ServiceOnsite services

Crowd

LGBTQ+ friendlyTransgender safe space

Other

LGBTQ+ friendly

Payments

Credit cardsNFC mobile payments

Offerings

Repair services

Service options

Credentials

Insurance
Not Confirmed
WSIB Coverage
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 hiringPlumber FAQs in LondonView all guides →

Data Transparency

Sources
Google and BBB
Score computed
October 13, 2026

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More plumber in London →All plumber in Ontario →All contractors in London →
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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Before you hire, read: 5 questions to ask every plumber →

Compare Plumbers in London

See how Jumbo Plumbing ranks against other plumbers in London on ProScore.

View ranked list of plumbers in London →

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.