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Foundation & Waterproofing Early data Updated Apr 2026

Crawl Space Encapsulation
French Drain Installation in the NeighborPrices database

Jump to 2 receipts

Built by Connor, a homeowner. Real receipts only. Why this exists →

Focused view inside Crawl Space Encapsulation, based on matching homeowner receipts.

French drain installation costs typically range from $4,700 to $14,000, with most homeowners paying around $9,350. Half of all installations fall between $7,025 and $11,675, which can help you budget for this common drainage solution.

The typical range
$7,025 $11,675
Middle 50% · median $9,350
Full reported range $4,700–$14,000 across 2 receipts.
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2 receipts in last 90 days Updated Apr 7, 2026 Help keep this current →
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The receipts

Every receipt below is a real homeowner report behind this page.

2 total receipts
$4,700.00
53 days ago
Anonymous
Size not reported

Got a bid from Waterproofing Technologies of Oregon for encapsulating the crawlspace with a French drain and sump pump setup.

$14,000.00
53 days ago
Anonymous
Size not reported

Got quoted $14k for encapsulation with a dehumidifier, french drain, and sump pump for a 500 sq ft crawlspace, but only wanted a vapor barrier installation.

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Common questions

Crawl space encapsulation in the NeighborPrices database

How much does crawl space encapsulation cost in the NeighborPrices database?
The typical crawl space encapsulation cost in the NeighborPrices database is $9,350, based on 2 verified homeowner reports.
What's the typical price range for crawl space encapsulation in the NeighborPrices database?
Most homeowners in the NeighborPrices database pay between $7,025 and $11,675 for crawl space encapsulation. That middle 50% range is a more useful comparison than the typical alone because it shows where real quotes actually land.
Why are some crawl space encapsulation quotes higher?
Price varies with home size, system size, materials, and scope. Quotes above the typical range usually reflect bigger homes or premium materials; quotes well below it sometimes leave out permits, haul-away, or warranties.
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