The real cost of an interior French drain in a basement
Interior French drain cost in a basement lands between $40 and $100 a linear foot — but the number only means something once you know what it covers.
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Interior French drain cost in a basement lands between $40 and $100 a linear foot — but the number only means something once you know what it covers.

Basement waterproofing cost estimates run from $5,000 to $13,640 nationally. The gap
isn’t error — it’s four publishers pricing four different jobs.

Interior vs exterior waterproofing hinges on where your water comes from, not price. Code requires true waterproofing only where the water table is high.

Water in the basement after heavy rain is a safety call before it’s a cleanup job — and pumping it dry too fast can push your foundation walls in.

Condensation vs seepage looks identical on a basement wall. A sealed square of plastic, left 24 hours, names the source before any contractor does.

Basement water that shows up during rain often starts outside. Read the timing, extend downspouts at least 4 feet, and know when to stop DIY.

asement waterproofing cost can start with the yard: model code requires at least a 6-inch fall in the first 10 feet. Check it before comparing quotes.