Length of the run
More drain length means more saw-cutting, excavation, channel body, grate, and finish work. A single garage door opening is one thing. A long laneway or broad apron is another.
2026 GTA Pricing Guide
How much does a trench drain cost in Toronto and the GTA?
For most residential jobs, the answer is $1,800-$4,500. The real number depends on how much surface we cut, what grate and channel you need, where the water ties in, and how much concrete or asphalt has to go back.
- Typical residential range $1,800-$4,500
- Most residential installs 1 day on site
- How we price Fixed quote after site visit
Short Answer
Most homeowners are paying for cutting, tie-in work, and surface restoration - not just for the drain itself.
A standard residential trench drain install in the GTA usually lands between $1,800 and $4,500. That covers the full job: saw-cutting, excavation, setting the channel to slope, connecting to legal drainage, and pouring or patching the surface back.
The low end is a short run at a garage entrance with a straightforward existing outlet. The high end is a longer run, heavier grate, more concrete removal, or a tie-in that takes real plumbing work. Commercial and industrial jobs are quoted after a site visit because traffic loads, drainage rules, and restoration scope change too much from property to property.
- We do not quote blind from a phone description.
- Most residential installs finish in one day on site, then the patch cures for 24-48 hours before vehicle traffic.
- A cheaper drain in the wrong location is usually more expensive than the right drain installed once.
Price Drivers
What moves the price up or down?
The same 12-foot trench drain can price two different ways depending on what we are cutting into and where the water can legally go.
Surface type and thickness
Plain concrete is more predictable than thick reinforced slab, decorative hardscape, or a commercial pavement build-up. If the finish has to look clean when we leave, restoration labour goes up.
Grate and load class
A light residential grate does not cost the same as a heavy-duty ductile or stainless system. The more wheel traffic, salt, wash-down, or abuse the drain has to survive, the more the spec matters.
Tie-in complexity
Connecting to an existing private storm line or sump discharge is usually straightforward. A new route, deeper outlet, catch basin work, or municipal coordination pushes the number upward fast.
Finish and access
Tight access, hand excavation, traffic control, and careful patch work all show up in labour. An open suburban driveway prices differently than a downtown ramp or active loading lane.
Range Breakdown
What low, middle, and high-end residential jobs usually look like
These are not phone quotes. They are a practical way to understand what pushes a residential job toward the low, middle, or top of the range.
Short residential retrofit with a simple outlet
Think a modest garage entrance or apron where we can tie into existing private drainage, use a standard residential grate, and patch a limited amount of concrete.
Most standard driveway installs
This is where a lot of GTA jobs land. The run is longer, the concrete removal is heavier, or the outlet needs more plumbing work than a straight connection.
Longer runs, trickier tie-ins, or heavier specs
If the drain stretches across a wide apron, needs deeper excavation, or needs a stronger grate and more finish work, it moves toward the top of the residential range.
Too many variables to price responsibly from a template
Parking lots, shops, warehouses, restaurants, and fueling areas can require heavier load classes, traffic staging, wash-down planning, and engineered discharge routes.
Need a real number, not a pricing article?
We can usually tell within one visit whether your job is a simple residential intercept drain or something that needs a heavier spec.
What The Quote Covers
What is usually included in a trench drain quote?
On a standard residential install, the quote usually covers the whole drain scope from cut to patch. That means layout at the real low point, saw-cutting, excavation, setting the drain body to slope, tying into legal drainage, and restoring the surface around the trench.
What changes from job to job is not whether those steps happen. It is how hard they are. A short straight cut into a plain concrete apron is faster than a decorative driveway, a tight sideyard access route, or a drain that needs a deeper tie-in to reach the right outlet.
This is also why two contractors can be far apart on price. One might be pricing the drain hardware only. The other is pricing the actual install, the concrete work, and the plumbing needed to make it work through a GTA winter.
By Job Type
How different trench drain jobs usually price
The pattern below is a better budgeting tool than looking at drain hardware prices online. Installation scope is what drives the number.
| Job type | Typical range | What usually drives it | Best fit |
|---|---|---|---|
| Short garage entrance retrofit | $1,800-$2,400 | Short run, standard residential grate, existing private outlet | Single-bay garage or modest apron intercept |
| Typical driveway intercept drain | $2,400-$3,300 | Longer cut, more concrete removal, moderate tie-in work | Most residential driveway and laneway installs |
| Wide apron or more complex residential layout | $3,300-$4,500 | Wider run, deeper excavation, stronger grate, more finish work | Large driveways, longer aprons, or more exposed runoff paths |
| Commercial, industrial, or wash-down sites | Fixed quote after site visit | Load class, discharge rules, access limits, traffic staging, restoration scope | Parking lots, service bays, kitchens, warehouses, and fueling areas |
Commercial pricing usually starts with a site walk because the load class, legal outlet, and restoration plan matter more than the lineal feet alone.
Where Budgets Slip
The three things people usually underestimate
The drain body itself is rarely the part that surprises people. It is usually the site conditions around it.
The outlet route
The surface work might be easy. Finding a legal drainage route with enough fall is often the harder part. If we have to chase the pipe farther than expected, the scope changes.
Surface restoration
Saw-cutting a plain slab is one price. Matching decorative concrete, interlock, epoxy-coated floors, or heavily worn pavement is another. Good finish work takes time.
Buying hardware before the site is solved
People sometimes buy a drain online before they know the channel depth, grate class, or outlet path. That is how a cheap product turns into a second purchase and a second install.
Is It Worth It?
Usually, yes - if water is already costing you time, repairs, or winter headaches.
A trench drain is not the cheapest thing you can do to a driveway or hard surface. It is often the cheapest permanent fix when water keeps hitting the same edge, doorway, or low spot year after year.
If water is freezing across a garage entrance, washing fines out from under pavers, staining the slab, or getting into a building, you are already paying for the problem. You are just paying for it slowly - in patch repairs, ice management, grading work that does not hold, or damage inside the structure.
The jobs that age well are the ones where we solve both parts at once: catch the water at the right point and send it somewhere legal. That is why the install details matter more than the sticker price of the grate.
Pricing FAQ
Common trench drain cost questions
These are the questions we usually answer after someone sees the range and wants to know what actually changes it.
How much does a trench drain cost for a driveway in the GTA?
Most standard residential driveway and garage entrance installs in the GTA land between $1,800 and $4,500. The exact number depends on the drain length, the grate spec, the outlet route, and how much concrete or asphalt has to be restored after the install.
Why can you not price a trench drain over the phone?
Because the real scope is set by the low point and the legal tie-in. From the phone, people can describe where they want the drain. On site, we can see where the water actually ends up, how thick the slab is, and whether there is a usable storm or sump connection nearby.
Does the quote include concrete or asphalt repair?
Yes, for a standard install the quote includes cutting the surface, installing the drain, and pouring or patching the trench area back. What is usually not included unless the site needs it is large-area slab replacement, decorative resurfacing beyond the drain zone, or broader pavement reconstruction.
What is the cheapest trench drain install?
The cheapest install is usually a short residential run with a straightforward existing outlet, standard grate, and simple concrete patch. The mistake is chasing the cheapest hardware instead of the right layout. If the drain is in the wrong place or cannot discharge properly, the low price does not last.
Do longer trench drains cost proportionally more?
Not perfectly linearly, but longer runs do cost more. Some setup labour is fixed no matter what, but every added foot usually means more cutting, more excavation, more drain material, and more restoration work.
Are commercial trench drains much more expensive than residential ones?
Usually, yes. Commercial and industrial sites often need heavier grate classes, stricter discharge planning, traffic staging, and more demanding surface restoration. That is why we quote those jobs after a site visit instead of publishing a number that would be too loose to trust.
Do permits affect trench drain cost?
Sometimes. Most residential private tie-ins do not need a separate permit, but municipal storm connections or certain commercial sites can require permits, reviews, or inspections. If your site needs that step, we flag it in the quote so it is not a surprise later.