Cost Data · Updated June 2026

Basement & Crawlspace Waterproofing Cost in 2026

Aggregated price ranges across 2 U.S. cities, normalized to per project. National average for a typical project: $5,154–$10,332.

MethodologyCost by cityWhat drives costEmbed this dataCite this page

National price range by project size

Low–mid–high cost in USD per project.

Crawlspace sealVapor barrier + dehumidifier

$3,172–$6,309

Partial basementInterior drain + sump on one side

$4,758–$8,412

Full systemFull-perimeter drainage + encapsulation

$9,516–$15,422

Basement & Crawlspace Waterproofing cost by city

Typical mid-tier project price range. Click a city for full local context, factors, and provider availability.

City	State	Small	Medium	Large	Local page
Charlotte	NC	$3,760–$8,892	$5,640–$11,856	$11,280–$21,736	Charlotte →
Greensboro	NC	$3,112–$6,606	$4,668–$8,808	$9,336–$16,148	Greensboro →

What drives basement & crawlspace waterproofing cost up or down

•Square footage
•Interior drainage vs. exterior
•Sump + dehumidifier
•Vapor barrier

Methodology

Cost ranges on this page reflect typical pricing for basement & crawlspace waterproofing projects across the 2 U.S. metro markets where Hire Local Crew operates. Numbers are normalized to per project and represent the 25th–75th percentile of recent project quotes (the middle 50% of jobs).

Per-city variation (±12%) reflects local labor cost differences, materials availability, and permit complexity. Numbers exclude high-end custom work (top 10%) and extreme low-end DIY-adjacent jobs (bottom 10%) so the ranges are representative of typical homeowner experience.

For a precise estimate on your specific project, request a free quote from a local provider via the city pages linked above. Data updated quarterly.

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Free to use on your own site with attribution. Paste the snippet below — embeds a live cost calculator that updates as our data changes.

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If you reference these figures in an article, use:

Hire Local Crew. (2026). Basement & Crawlspace Waterproofing Cost in 2026: Data Across 2 U.S. Cities. Retrieved from https://hirelocalcrew.com/data/waterproofing