What does fixing a wet basement or foundation cost near you?
Regional price estimates, verified local permit rules, and established contractors for basement waterproofing and foundation repair, city by city.
196+ cities · free quotes · cited permit data
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Regional cost estimates
Planning ranges modeled per state, with the real local permit authority and fee schedule cited on every page we have verified.
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Our research
All five datasets →Five datasets, each read from primary sources and cited line by line.
29%
of basement flood claims were filed outside the mapped floodplain
131,361 claims across 156 counties. The flood map does not tell you whether your basement takes on water.
Read the analysis →
1.8 ft
median depth the water table rises to, against a 7 ft basement floor
Across 179 cities the seasonal high groundwater rises above the basement floor. That is what a sump pump is for.
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11 of 118
cities charge a flat fee to permit foundation work
Everywhere else the permit bill scales with your project. Each city read from its own published fee schedule and linked.
See all 118 cities →
137/yr
freeze-thaw cycles in Lakewood, the hardest-hit city we track
Each crossing of freezing heaves the ground and works foundation cracks open. Ten years of reanalysis, every city ranked.
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Popular metros
Jump straight to local waterproofing costs and pros.
What we cover
All services →Basement Waterproofing
$2,300+Interior and exterior systems that stop water seepage through foundation walls and floors.
Foundation Repair
$2,200+Fixing cracks, bowing walls, and settlement with piers, anchors, and structural reinforcement.
Crawl Space Encapsulation
$3,000+Sealing and vapor-barriering a crawl space to control moisture, mold, and wood rot.
French Drain Installation
$1,500+Perimeter drainage that channels groundwater away from the foundation before it gets in.
Sump Pump Installation
$650+Pump systems that evacuate collected water from a basement or crawl space pit.
Homeowner guides
Understand the problem and the fix before you call anyone.
Why Is My Basement Wet? Causes and Fixes
The common reasons basements take on water, how to tell them apart, and what it takes to fix each one for good.
Basement Waterproofing: The Complete 2026 Guide
Interior versus exterior systems, the main methods, when to call a pro, and what actually drives the price.
French Drain vs Sump Pump: Which One Do You Need?
How the two systems work, when each is the right call, and why many wet basements end up needing both.
Bowing Basement Wall: Causes, Repair Options, and Cost
Why foundation walls bow inward, how to judge the severity, and the repair methods that actually hold.
7 Signs Your Foundation Needs Repair
The warning signs worth taking seriously, what each one usually means, and when it is time to call a professional.
Interior vs Exterior Basement Waterproofing
The two ways to keep water out of a basement, what each actually fixes, when one is enough, and how the cost and disruption compare.