$5,000–$25,500+ across four planning tiers. Here is why the range is that wide.
These are overlapping planning ranges, not a fixed price per foot. A short run that needs a new sump, difficult access or more preparation can cost more than a longer, straightforward tie-in. The installed run and complete job scope determine the written quote.
The other variable is what is between us and the footing. A bare slab in an unfinished basement is the fastest install. A finished basement with framing, drywall, and flooring requires tear-out and put-back. We do not refinish the basement, but we do have to demo to access the slab edge.
A measured run under 40 ft where the standard included scope fits. The drainage pipe remains at the bottom of the footing without undermining it. Basin, access, concrete responsibility, and exceptions still have to be confirmed. Battery backup is optional and priced separately.
A measured run over 120 ft starts in this tier. Foundation type, finished-space protection, basin scope, discharge, concrete responsibility, and other exceptions can still move the final amount. Optional backup is added only when selected.
What moves the number up or down.
- Linear footage of the trench. The single biggest input. Full-perimeter drain tile on a 40 by 30 foot basement is 140 linear feet. Partial-perimeter on the same footprint might be 60 feet. Use the installed run with the job-specific labor, equipment and material scope, not the basement size alone.
- Depth and footing condition. The drainage path is installed at the bottom of the footing without undermining it. Older Twin Cities homes sometimes have deeper footings or unusual conditions (rubble fills, no footing visible) that change the dig.
- Sump pit and pump. Basin scope and the job-selected American-made Zoeller primary pump must be explicit. Existing equipment is reused only when it is serviceable; the exact inclusion belongs in the written quote.
- Finished basement complications. If the basement is finished, we have to demo the bottom 18 inches of drywall, remove flooring near the perimeter, and protect the rest. That adds labor and disposal costs.
- Discharge and exit work. Where the sump pump discharges matters. A standard outlet is included only when the written scope calls for it. Cutting through block foundation, running through finished space, or running a longer discharge line are scope additions.
What a real drain tile quote should list.
- •Slab opening and removal. Concrete removed along the specified trench path using the approved dust-controlled method.
- •Trench excavation to install the drainage path at the bottom of the footing without undermining it.
- •Drain tile pipe, 4″ perforated corrugated pipe installed along the proposal-defined footprint.
- •Gravel bedding around the pipe (3/4″ washed rock, not pea gravel).
- •Concrete patch-back, fresh slab over the trench, finish flush to existing.
- •Sump pit and pump if part of scope. New pit lined and sealed, pump sized to flow.
- •Discharge line when included in the written scope, with the specified exterior outlet and extension.
- •Daily cleanup, dust control maintained, work area sealed.
- •Written workmanship coverage for the exact WPNE-installed footprint, subject to the signed agreement.
- •Refinishing your basement (drywall, paint, flooring).
- •Mold remediation in existing affected materials.
- •Foundation repair beyond what is encountered in the trench.
- •Exterior excavation or regrading (separate scope, separate page).
- •Disposal of contents you have not cleared from the basement.
If a quote does not itemize the above, the contractor either has not thought about the scope or is hiding the lump sum. Either way, ask for the itemization before signing.
When a quote looks too cheap.
A $3,500 drain tile quote on a 140-foot perimeter is not a bargain. It is a quote for something else.
The number itself is not the warning. The warning is what is missing from the scope. Common low-quote substitutions to watch for:
| Looks like drain tile | Actual drain tile | |
|---|---|---|
| Channel system | Plastic wall-track channel (e.g. WaterGuard) | 4-inch perforated corrugated pipe in washed 3/4-inch stone at the bottom of the footing without undermining it |
| Catches | Water that already entered the wall | Water before it reaches the wall |
| Trench | None, glued to slab edge | Installed at the bottom of the footing without undermining it |
| Slab | Not cut | Cut, drained, repoured |
| Warranty | Variable | Written coverage tied to the exact WPNE-installed footprint |
| WPNE planning tiers | Not a WPNE drain-tile price | $5,000–$25,500+ |
See our scope-comparison guide for the questions that distinguish a perimeter channel from footing-depth drain tile. They are different assemblies and should be compared by diagnosed water path, materials, installed footprint, and written responsibility.
- Quote lacks linear footage or square footage measurements
- Warranty is non-transferable, expires, or limited to materials
- The quote is unclear about whether a basin, primary pump, or backup is included
- Pressure to sign today / discount that expires at end of visit
- Cash-only or down payment over 30%
Financing options.
We work with Acorn Finance for project financing. Pre-qualify with a soft credit pull, no impact on your score. Terms vary by approval.
See financing details, or call us and we will walk through it on the phone.