When Madison homeowners ask about interior drain tile
- Water seeping at the floor-wall joint
- Damp spots along more than one wall
- Water rising through floor cracks
This is the system Madison Engineering describes: perimeter drains under the floor that feed a sump crock, where the pump lifts water outside. Installing it means cutting the slab along the walls. Ask about cleanouts, how the floor is patched and where the pump will discharge.
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What Madison Engineering says
City of Madison Engineering says many older areas of Madison were built on "made land." These are old wetlands or low areas that were filled so homes could be built. Average yearly rain and snow has risen about 3 inches over the last 20 years, per the city. In many of those areas the groundwater table now reaches basements, and some sump pumps run around the clock. (Source: City of Madison Engineering, Sump Pumps.)
Prices: the Madison basement cost guide collects published 2026 ranges by job type.
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Interior Drain Tile questions
What will interior drain tile cost in Madison?
There is no single price. The cause, the method and the size of the job set it. The cost guide lists published 2026 ranges, and the contractor gives you a written quote after seeing the basement.
How fast can a contractor come out?
That depends on who is available. Spring melt and storm weeks fill schedules first. Send the form and we'll see who can visit.
Where can my Madison sump pump discharge?
Not to the sanitary sewer or a floor drain. City Engineering lists the yard, a storm sewer within about 100 feet, the curb, or an infiltration bed. A storm sewer hookup needs an Excavation in the Right-of-Way Permit and a contractor qualified to work there.
Are you a waterproofing company?
No. Madison WI Basement Waterproofing is a referral service. We pass your request to an independent basement contractor who works in the Madison area, and that company does the inspection and the work.