Contract Rating

Jumbo Plumbing

PlumberSt. Thomas, ON

4.9480 Google reviews
Hours published

Customer reviews

This business has 480 Google reviews. We show up to five of them below - read the full listing on Google before deciding.

aftab alam

Cookie and Travis from Jumbo Plumbing did an excellent job. They were professional, friendly, and clearly knew what they were doing. They showed up on time, explained the work, and made sure everything was done properly before leaving. It’s not always easy to find reliable plumbers, but these two made the whole experience smooth and stress free. I would definitely recommend Cookie and Travis from Jumbo Plumbing to anyone looking for quality service.

Patsy Brooks

Excellent service from Jumbo Plumbing from start to finish replacing our sewage injector pump. They offered quick same-day service, and the technician was knowledgeable, friendly, and clearly explained the work while improving the system’s efficiency. I also appreciated receiving his photo and credentials beforehand by email. He cleaned up thoroughly and removed the old pump. Highly recommend Jumbo Plumbing!!

Andreas Giakoumatos

Amazing service - Travis V. was very knowledgeable, assessed the job and provided a fair quote for the work and got the job done in great time. He was very polite and professional. I highly recommend Jumbo. Travis V. arrived in the time window promised. I will definitely use their services next time. They fixed our bathtub spout leaking an it being loose. Very happy! Thanks Jumbo!

Jeff Ham

Fantastic service - Gabe was very knowledgeable, assessed the job and provided a fair quote for the work and got the job done in great time. He was very polite and professional. I highly recommend Jumbo. The whole process from calling (service agent was awesome too!) booking and arrival was very timely (next day) and Gabe arrived in the time window promised. I will definitely use their services next time. They cleared a plugged sewer drain from our basement to the sewer on very short notice. Very happy! Thanks Jumbo!

tony bujanic

Hey! I had a great interaction with Ethan. Very professional and clean. Kicked off shoes to come in. I'm very happy with his service and will be calling again for future projects. Cheers!

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Before you hire a plumber in Ontario

Yes. Plumber (306A) is a compulsory trade in Ontario - working without certification is illegal, not just inadvisable.

Certificate of Qualification, 306A Plumber

The individual doing the work must hold this, or be a registered apprentice working under someone who does. Ask for the certificate number and the name it is issued to. It belongs to a person, not a company.

Verify with: Skilled Trades Ontario maintains the public register of certified tradespeople.

Check Jumbo Plumbing on the official register

General liability insurance

Two million dollars is the common floor for residential work. Water damage escalates fast, and a burst supply line during a renovation can exceed a small policy in an afternoon.

WSIB clearance

If a worker is injured on your property and the contractor has no coverage, you can be drawn into the claim. A clearance certificate is free for the contractor to pull and takes minutes.

Verify with: WSIB issues clearance certificates directly to the contractor on request.

Check Jumbo Plumbing on the official register

TSSA gas technician certificate (only if gas is involved)

G1, G2 or G3 depending on scope. Required for anything connecting to a natural gas or propane line.

Verify with: The Technical Standards and Safety Authority regulates fuel safety in Ontario.

Check Jumbo Plumbing on the official register

Questions worth asking

  • Is the person doing the work certified in 306A, or an apprentice being supervised? Both are fine. You just want to know.
  • Is this quote flat rate or time and materials? If hourly, what is the estimated range and what happens if it runs over?
  • Does the job touch a gas line, and if so who holds the TSSA certificate?
  • Does this need a municipal plumbing permit, and are you pulling it?
  • What is the warranty on labour, separately from the manufacturer warranty on parts?
Read the full plumbers hiring guide