French Drain Repair Toronto
Water Pro offers complete French drain installation and repair solutions, from camera inspections and quick fixes to advanced non-dig repairs.
Our 24/7 emergency support ensures our clients can get fast and reliable French drain repairs in Toronto whenever they need help.





Expert French Drain Services in Toronto
Get the highest level of French drain installation and repair expertise with our drain-related services. At Water Pro, we have a team of trained and skilled plumbers who specialize in French drain installation, maintenance, and replacement. Therefore, you can rely on our expertise in drainage solutions to manage water and protect your home from water damage.
Homes and other properties in Toronto often have French drain problems, such as clogged pipes from clay soil intrusion and accumulation of debris or dirt. Another common issue is misaligned or collapsed drains due to frost shifts. French drain backups are also common due to pipe clogging or during heavy rain or spring snowmelt.
These French drainage issues are more common in older Toronto neighbourhoods where property foundations were built without modern basement waterproofing. Note that delaying drain repairs can worsen seemingly minor leaks into foundation cracks, basement flooding, or hazardous mold growth. In the end, you’ll pay for costly repairs or drainage pipe replacement.
Keep in mind that the freeze-thaw cycles common in Ontario can quickly worsen existing drain pipe weaknesses. If your French drains aren’t functional, water may accumulate in your yard or near your property’s foundation. Once it penetrates the foundation, repair costs can multiply, requiring major structural work instead of simple fixes.
We’re Ready to Help
Contact us to save your property from expensive restoration work, health concerns, and long-term property damage. Water Pro is Toronto’s most trusted contractor for French drain repairs. With over 25 years of experience and more than 500 projects completed, we understand how the unique soil and weather challenges in Toronto can affect French drains.
Homeowners rate us 4.9/5 stars on Google for our reliable and professional services. Remember, our waterproofing and underpinning services are backed by a 25-year warranty for lasting protection. Schedule a free consultation and get your property’s French drains inspected.
Customized French Drain Repairs
The purpose of your French drains is to offer a smooth path with the least resistance to the natural water flow. These drains are designed to allow rainwater or snowmelt to flow easily away from your property to a specific drainage area or municipal drainage system. Therefore, a functional French drain can prevent excess water from seeping into your home.
Like most drainage systems, French drains are dug-out trenches in your property and utilize gravity to direct water away. So, where does a French drain lead water to? Well, if your property is close to a municipal sewer system, your drain can direct water there.
Alternatively, our plumbers can direct your French drain to a dry well, a drainage ditch, a low-lying area in your yard, or redistribute the water evenly in your yard. Here are the French drainage problems that our team often fixes in Toronto properties.
Improper Connection to Other Drainage Systems
All your property’s drains, including French drains, must be carefully connected into a single drainage system that takes wastewater or excess water away from your property. Thus, French drains must be properly connected to the surface water drainage, downspout discharge or municipal storm drain system. Poor connection can lead to frequent leaks.
Clogged Pipes
Over time, sediment, fine clay particles, roots, leaves, or other debris can enter the perforated pipe (French drain) or the gravel surrounding it. If the fabric filter is damaged or improperly installed, soil will block the holes in the pipe. A clogged pipe will slow down or prevent water flow. In Toronto, clay-rich soils make pipe clogging even more likely.
When drainage slows, water backs up towards the foundation, which increases the risk of basement leaks. Our regular inspection and timely repairs can help prevent drain clogging.
Improper Slope or Poor Grading
A French drain needs a consistent slope to allow water to flow away from your property. If some sections are flat, uphill, or settle over time, water may begin pooling in a certain section instead of draining. Ontario’s freeze-thaw climate causes the settling of soil or frost heave to change the slope. If slope issues aren’t addressed early, water can pool near foundations. This can lead to structural damage.
Freeze-Thaw Damage
During the winter, frozen ground and cycles of thaw-freeze can damage a French drain system. Water trapped in the pipe or trench can freeze and expand, causing pipes to crack or fabric to rupture. Similarly, frost heave can shift or misalign the drainpipes. That’s why drains installed too shallow or near the frost line are especially vulnerable to freeze-thaw damage.
Root Intrusion
Tree roots naturally search for moisture in the soil. Thus, they’re likely to penetrate cracks, fabric, or even small perforations in pipe joints to get moisture from your French drains. This can cause blockages or damage to the pipes.
Once roots are inside the pipes, they trap debris and slow drainage or crack pipes. Periodic inspections can help spot tree roots early enough and prevent them from intruding on your drains.
Collapsed Pipes or Crushed Trench
Heavy loads (like vehicles), soil settlement, or weak pipe material can cause sections of your French drain to collapse. When the pipe flattens, water flow is restricted or stops. The soil above the drain may settle unevenly, which presses on the pipe.
In Toronto, older drains installed without strong structural support often collapse over time. Our team can help identify the collapsed drain sections early and resolve this issue.
French Drain Backups
Toronto gets heavy rainfall and snowmelt. If your French drain was not sized appropriately in terms of pipe diameter, trench width, and gravel volume, it can be overwhelmed during heavy water flow. Also, surface runoff entering downspouts that feed into the same system can exceed the French drain’s capacity. When this happens, water backs up toward the foundation or pools in the yard.
Poor Material Selection
Using the wrong gravel (too fine or the wrong shape), cheap or non-durable pipe materials, or weak filter fabric can lead to French drain failure. For instance, gravel that compacts or washes away easily, filter fabric that tears or degrades quickly and weak pipes that crack or collapse easily under load, all reduce the drain’s efficiency and lifespan.
Why Choose Water Pro for French Drain Repairs in Toronto
Professional Assessment (Camera Inspections)
If there has been increased water pooling in your yard, frequent floods in your walkways, or increased soil erosion in your yard, you need French drain services. Repairing or installing a French drain can help drain the standing water faster and prevent basement moisture or water from seeping into the foundation walls.
This process begins with a thorough camera inspection to identify the cause of the slow or clogged drain. Our team uses specialized equipment to access the interior French drains and inspect each section without extensive excavation. Once we have mapped the affected section of the drain, we create a repair plan that will restore the drain’s proper function.
Client Guarantee
For more than 25 years, Water Pro has been installing and repairing drainage systems. These systems include storm drains, sump pumps, French drains, and other components of drainage systems in residential and commercial properties. Whether you need basement waterproofing solutions or drain installation to effectively manage water and direct it away from your home’s foundation, call us.
All our plumbers are professionally trained and have many years of experience. They’re certified and licensed to handle French drain installations, repairs, and routine maintenance. Therefore, we guarantee our clients quality workmanship and no shortcuts. Indeed, we strive to offer efficient drainage solutions and excellent customer service.
Top Contractor for French Drain Repairs at Your Service
- 24/7 Drain Emergency Help: Whenever you need help with your French drains, contact us. Our team responds to plumbing emergencies quickly, whether during the day or at night.
- Licensed and Insured Drain Contractor: Water Pro is fully licensed to install and repair French drain systems. Also, we have comprehensive insurance coverage for our team handling French drain work and other projects.
- Decades of Experience: We’re a team of technicians with over 25 years of experience in French drain installations and providing excellent solutions that prevent water accumulation in yards and other parts of your property.
- Free Quote: Get a free, no-obligation quotation for our French drain installation or repair services. No hidden expenses or price surprises.
- Unmatched Warranty: At Water Pro, we offer a 25-year warranty for all our underpinning and waterproofing solutions. Talk to our team for detailed information about the warranty.
- Locally Owned Company: As a locally-owned and operated plumbing and drainage contractor, we understand the drainage issues that homeowners and business owners face. That’s why we offer drain repair services to ensure lasting basement and foundation protection.
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Day or night, solving plumbing issues fast to keep you safe.
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Our professionals deliver reliable waterproofing and plumbing solutions.
25+ Years of Expertise
Decades of experience in quality, lasting repairs and installations.
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25-Year Warranty
Long-lasting protection for waterproofing and underpinning projects.
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Dedicated to dependable, personalized service for our community.
Our French Drain Drain Repair Solutions


01 Pipe Cleaning and Hydro-Jetting
Clogged French drain pipes are a frequent cause of backups. Our technicians use camera inspections to locate any blockages in your drains. Afterwards, we clear debris, roots, and silt using mechanical cutters or hydro-jetting. Note that hydro-jetting uses high-pressure water to flush any accumulated clay and organic matter from the perforated pipe and gravel. This restores proper water flow without full excavation.
At Water Pro, we first perform camera inspections to identify the damaged or clogged drains. Next, we’ll determine if the existing pipe is safe for hydro-jet cleaning. Proper cleaning can restore your storm drains or French drainage system.
02 Root Removal & Targeted Perforated Pipe Repairs
Tree roots invade weeping tiles and perforated pipes through joints or cracks. Our team first inspects the French drain system using an advanced camera to determine the affected area and extent of root intrusion. Next, we remove roots using cutters or augers. After removal, small damaged sections are repaired, replaced or patched to stop root re-entry.
03 Trenchless Relining for Cracked Pipes
When pipe walls are cracked but the drain line remains mostly intact, cured-in-place pipe (CIPP) relining can help create a seamless “pipe-within-a-pipe.” Our technicians begin by pulling a resin-saturated liner through the existing pipe, then curing it to form a new, durable pipe. This trenchless method repairs drain leaks and seals cracks without tearing up lawns or driveways.
04 Slope Correction and Re-grading
Poor slope or soil settling can cause standing water inside a drain line. Our skilled plumbers can help re-grade the trench, re-set the pipe at the required slope (often about 1%), and secure the perforated pipe bedding to prevent future settling or frost heave. Where surface grading contributes to your French drain problem, our team will reshape the yard to direct runoff away from foundations and into the right water discharge points.
05 Outlet & Connection Repairs (Dry Wells, Sump, Storm Tie-ins)
A functional French drain needs a reliable outlet. Problems arise when outlets are blocked, improperly connected, or redirect water into the wrong locations. Our team will assess your French drain outlets and connections to identify any issues. Various repairs include installing or repairing connections to dry wells, sump pumps, municipal storm systems, or approved runoff discharge areas.
Remember, the correct drain outlet design prevents cross-contamination of sanitary systems and avoids violation of the municipal-related codes. At Water Pro, we have the specialized equipment for inspecting, repairing, or installing French drains. We also repair drain connections and install proper water discharge solutions, including sump pumps or dry wells, to ensure you have a dry basement.
06 Filter Fabric Replacement and Gravel Renewal
French drains rely on filter fabric and clean gravel to keep soil out of the perforated pipe. Over time, fabric can tear or degrade, while gravel fills with silt and loses porosity. This can lead to clogging, slow water flow, and frequent drain backups. Replacing the filter fabric and additional gravel restores the system’s efficiency. Let our skilled and experienced professionals restore your French drainage system.
Should You Repair or Replace French Drains?
Before you decide on whether to repair your French drains or replace them, it’s recommended to get a professional assessment of your French drainage system. Our experienced plumbers can help determine if your storm drains are failing and causing water pooling, damage to basement walls, or moisture-related issues in your property.
Here’s a detailed table showing when to repair or replace French drains.
| When to Repair | When to Replace |
| Minor clogs, filter fabric tears, or minor damage to small pipe sections. | Major pipe collapse or widespread damage throughout the storm drain system. |
| Slight slope issues, frost heave, or misalignment are corrected locally. | Drainage line that’s older than its useful life (like more than 30 years) |
| Root intrusion that’s limited to small pipe sections. | Multiple root intrusions or recurring root blockages on larger parts of your drains. |
| Localized leaks or seepage into the basement walls near one area. | Broad, repeated basement flooding or multiple failure points. |
| Material quality is still good (pipe, gravel and fabric intact structurally). | Cheap or corroded materials were used originally, and poor-quality drain components were used throughout. |
| Outlet/connection issues (blocked or misconnected) are fixable without major excavation. | The outlet location is invalid or fails code/cannot be safely used anymore. |
| The cost of repair is significantly less than 50-60% of the full replacement cost. | Cumulative repair costs are approaching replacement costs over the short term. |
Repairing French drains can make sense when issues are localized and the drainage system’s core components are still in good condition. For example, when only a short pipe section is damaged, or the slope is off due to frost heave, our skilled plumber can correct this without having to replace the entire drain.
However, when damage is widespread, such as an old pipe material that has degraded significantly, multiple collapsed sections, or constant blockages, French drain replacement becomes more cost-effective in the long run.
At Water Pro, we use high-definition camera tools to map the entire French drain system. We pay attention to the interior pipe condition, joints, slope, fabric integrity, and root intrusion. This lets us see exactly which parts need repair and whether a full replacement is needed.
With this clear data, we give homeowners honest recommendations on repairs where possible or replacements where necessary. Request a free quote today and get transparent pricing information for our French drain installation and repair services.
French Drain FAQs
Should you repair or replace French drains?
Our team can help assess the current condition of your French drain system, signs of poor drainage, and soil conditions. This allows us to recommend the right solution for both exterior and interior French drains.
What’s the cost of French drain repairs in Toronto?
The cost of drain repair services in Toronto typically ranges from $350 to $450. The total cost of your project will vary depending on your drain repair requirements, labour costs, materials needed, and more. Request a free quote for drainage solutions from Water Pro or other reputable contractors in Toronto and the GTA.
How do you prevent tree roots from damaging French drains?
If your yard has mature trees, you need routine root control and timely repairs to prevent repeated blockages and pipe collapse. Water Pro offers root removal, targeted pipe replacement, and guidance on root barriers to protect your French drain in the long term.
Do French drains require maintenance?
While most French drains are low-maintenance, routine inspections are recommended to catch the earliest signs of debris accumulation or damage. This is essential, particularly in areas prone to heavy rainfall.
Do you need a permit for French drain installation?
The need for a permit varies depending on the local construction regulations. Talk to our team and get clear information on permits. This will ensure your drain installation or repairs don’t violate local building codes.
What’s the best material for French drains?
Let our plumbers recommend high-quality perforated pipes and other materials for French drain installation and repairs. Contact us and discuss your French drain installation or repair project with an expert in French drain systems.
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