Drain and Plumbing Experts in the GTA

Prostream Mechanical is who you can trust and rely on for high-quality residential and commercial plumbing and drain services.

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Industry-leading plumbing and drain services since 2013
Certified professionals with 20+ years of experience

Residential and Commercial Services

Whether it be a kitchen or bathroom, tub or toilet, sewer line or back water valve, Prostream Mechanical can handle all of your drain and plumbing needs.


Repair leaks, clogged toilets, broken pipes, bathtubs, sinks, showers, and more

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Drain camera inpections, clogged drains, drain cleaning, and drain snaking

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Sewer Lines

Replace and repair cast iron and clay sewer lines, pipe patch, and descale cast iron

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Water Heaters

Install and repair all models of natural gas and electric water heaters

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Flood Protection

Install and replace sump pumps and back water valves

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Install, replace, and repair all makes and models of toilets

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24/7 repair services. Unplug main drains, sinks, tubs, and toilets

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Proudly serving the Greater Toronto Area
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A male plumber smiling as he completes service on a dishwasher and receives something from the client
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A male plumber completing plumbing services in a residential kitchen

Why We Are Leaders In Plumbing and Drain Services!

For 10+ years, Prostream Mechanical has been trusted by customers all over the GTA for their residential and commercial drain and plumbing needs. Some of the reasons why:

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A customer signature in black font

Director of Operations


How We Work

Schedule Your Appointment

Contact us via phone or by submitting the Contact Us page form

Get Professional Advice

One of our experts will understand your needs and provide pricing

Complete Your Plumbing Needs

Our team of professionals will complete the plumbing and drain service

Peace of Mind in Your Service

In addition to quality work, we also have warranty on our service and parts

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Leader in the GTA

Proudly serving: Ajax, Brampton, Etobicoke, Milton, Mississauga, North York, Oshawa, Oakville, Halton, Peel, Pickering, Scarborough, Toronto, Vaughan, and Woodbridge.


Recently Completed


Some of the things Prostream Mechanical’s customers are saying about our quality work.

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Prostream Mechanical is amazing! They were fast to respond, did an amazing job and were friendly. I will definitely use them for all of my needs going forward.
Tara F.
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Our basement flooded after a torrential rainstorm, we needed the emergency response of a plumber. Spencer was able to make it the same day and helped us with the overflow. His expertise of residential sewer lines was fantastic and we are going to get a back water valve installed as well. Thank you Spencer for helping us through this tough time.
P Barbara
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Spencer was recommended to me when I needed a leaking pipe repaired. He was highly professional, fast and a pleasure to deal with. Will definitely contact him the next time I need a plumber.
Frank T.
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I’ve used Spencer and his team a couple of times. Most recently to unclog a stubborn bathtub drain. He has a quick response time, his team shows up when they are booked, and they get the job done correctly (and quickly!). They even made sure that they had cleaned up after themselves! I have no hesitation in recommending him. I very pleased with his work.
Mark T.

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