About Us

Underground Plumbing Repair Company 

UPR is your trusted local plumbing and waterproofing company serving Toronto and surrounding areas.
As a licensed plumbing contractor in Ontario, we specialize in underground plumbing, drain repair, and basement waterproofing solutions designed to protect your home or business from water damage.

 Who We Are

With over a decade of experience, UPR has helped homeowners and property managers solve a wide range of plumbing issues.
We’re not just experts — we’re locals, familiar with the environmental conditions, soil types, and aging infrastructure found across the GTA and nearby cities.

If you need reliable, professional waterproofing or drain repair — contact UPR today.

 Our Service Area

We proudly serve a wide range of communities across the Greater Toronto Area, including:

• Toronto

• Mississauga

• East York

• North York

• Etobicoke

• Scarborough

• Oakville

• Vaughan

Whether you’re in a newly built home or a historic property, we offer fast, expert service tailored to your needs.

 Services We Offer

As an underground plumbing repair company, we specialize in diagnosing and fixing the issues hidden beneath your property — before they become major problems. Here are just a few of the services we provide:

Basement Waterproofing

From full waterproofing systems to sump pump installations and repairs, we keep your basement dry and protected.

Backwater Valve Installation & Maintenance

Prevent unwanted sewage backflow with professional installation and regular maintenance of your backwater valve system.

Basement Crack Repair

Cracks in walls, floors, or ceilings can let water seep in. We repair and seal these vulnerabilities to protect your foundation.

Wet Basement Repair

Eliminate mold, moisture, and water damage with comprehensive wet basement repair services.

Drain Repair

We handle everything from minor clogs to major underground drain line repairs with precision and speed.

Sump Pump Systems

We install new sump pumps and backup battery systems for added protection during power outages or heavy rain.

Flood Recovery & Emergency Service

When disaster strikes, count on UPR for after-flood cleanups, emergency waterproofing solutions and drain repairs.

Plumbing Rough-ins for Basement Renovations

Planning a finished basement? We handle the plumbing rough-in work to ensure your renovation goes smoothly from the start.

Underpinning

Need more basement height or a stronger foundation? Our underpinning services strengthen existing footings and safely increase your home’s usable space — ideal for renovations or structural reinforcement.

Contact UPR Today

We’re proud to offer fast, friendly, and knowledgeable service to homeowners and businesses throughout our region.

Call UPR today for a free consultation or to book immediate service.
Let us show you why we’re the trusted underground plumbing repair company in the GTA.