A wet basement is a problem. A waterproofed basement is peace of mind.
Compare a free quote from vetted local waterproofing specialists and protect your home from the ground up.
Are you the homeowner?
Pick one to get matched with the right local pros.
What is basement waterproofing?
Basement waterproofing is the process of preventing water from getting into your basement - whether that's through the walls, the floor, or the foundation. It ranges from applying a waterproof coating to the interior walls all the way to installing a full drainage system and sump pump.
A wet basement isn't just annoying - it's a serious problem. Water intrusion leads to mold, structural damage, and a significant loss of home value. The good news is that most basement water problems are fixable, and a qualified waterproofing contractor can diagnose exactly where the water is coming from and recommend the right solution for your specific situation.
Types of basement waterproofing
Drainage systems and sump pumps installed inside the basement to manage water that gets in
Excavating around the foundation to apply waterproof membranes and drainage - the most comprehensive solution
Filling foundation cracks with epoxy or polyurethane to stop water seeping through
A pump system that collects and removes water from beneath the basement floor
Sealing a crawl space with a vapor barrier to prevent moisture and mold
Key benefits
Prevents mold and mildew - protecting your family's health
Protects your home's structural integrity from water damage
Increases usable living space by making the basement dry and habitable
Adds significant value to your home - a dry basement is a major selling point
Reduces humidity throughout the entire home
Protects your belongings stored in the basement
Top providers compared
| Provider | Best for | Starting price | Standout feature |
|---|---|---|---|
| Basement Systems | Full interior waterproofing | $5,000 | Patented WaterGuard drainage system |
| BDry | Budget-friendly interior solutions | $4,000 | Transferable lifetime warranty |
| Perma-Seal | Midwest specialist | $4,500 | Comprehensive exterior and interior options |
| Groundworks | Full-service structural and waterproofing | $6,000 | Combines waterproofing with foundation repair |
| Local waterproofing contractor | Competitive pricing | $3,500 | Flexible on approach and materials |
Noticed water in your basement after rain?
Get a free assessment from a vetted local waterproofing specialist - don't wait for the mold.
How it works
Describe your basement issue
Tell us what you're seeing - water seeping in, damp walls, musty smell, or standing water.
Get matched with specialists
We connect you with a vetted local basement waterproofing specialists.
Choose your specialist
Review your quote, check the pro's reviews, and decide if they fit your situation and budget.
Helpful tools
The 9-step journey
- 01
Identify the problem
Note where water is entering - walls, floor, corners, or window wells.
- 02
Check the grading
Make sure the ground slopes away from your home - poor grading is a common cause of basement water.
- 03
Inspect your gutters
Clogged or misdirected gutters can dump water right against your foundation.
- 04
Get a professional assessment
A waterproofing specialist will identify the source and recommend the right solution.
- 05
Get a free quote
Submit your project on QuackQuack and connect with local pros.
- 06
Compare your options
Review each quote and ask about the method, warranty, and what disruption to expect.
- 07
Book your project
Confirm your chosen specialist and agree on a start date.
- 08
The waterproofing project
Interior systems typically take 1-3 days. Exterior excavation takes longer.
- 09
Enjoy a dry basement
No more buckets, no more mold, no more worrying every time it rains.
Cost calculator
Get a rough estimate of your basement waterproofing cost based on your basement size and the type of water problem you have.
Product guide
Tips for choosing a waterproofing contractor
A reputable contractor will assess your specific problem before recommending a solution - be wary of anyone who quotes without inspecting.
The best waterproofing companies offer lifetime transferable warranties - this is a strong indicator of quality.
A transferable warranty adds value when you sell your home - it's a feature worth asking about.
Make sure the drainage system directs water away from your home - not just to a sump pit that could overflow.
If your gutters or grading are the root cause, fixing those first may reduce or eliminate the waterproofing cost.
Waterproofing prices vary significantly - get a written quote before committing to a project of this size.
A dry basement is worth more than a wet one. Obviously.
Get matched with a vetted local local waterproofing specialists - no obligation.
Expert guides
Basement Waterproofing Buyer's Guide 2026
Everything you need to know before waterproofing your basement - methods, costs, and what to ask.
Interior vs. Exterior Basement Waterproofing: Which Do You Need?
A practical comparison of the two main approaches - when each is appropriate and what they cost.
How Much Does Basement Waterproofing Cost in 2026?
Real price ranges by method, basement size, and state.
How to Tell If Your Basement Has a Water Problem
The signs most homeowners miss until it's too late.
Does Basement Waterproofing Increase Home Value?
The honest answer - and how to document it for buyers.
What homeowners say
"We had water seeping into our basement every time it rained heavily. QuackQuack connected us with a fantastic waterproofing company who installed an interior drainage system and sump pump. We've had three major rainstorms since and not a drop of water. Incredible."
"I got a quote through QuackQuack and the difference in approach was eye-opening. The contractor I chose actually explained why the other two were recommending the wrong solution for my specific problem. Honest, knowledgeable, and did a great job."
"Our basement had been damp for years and we'd just accepted it. After waterproofing, it's completely dry and we've turned it into a proper living space. QuackQuack made finding the right contractor easy and the whole process was much less disruptive than I expected."
Basement waterproofing starts at $3,500.
Find out what your home will cost - free, no-pressure quote.
Stop worrying every time it rains.
Get matched with the best waterproofing specialists in your state - free, no obligation.
Get a Free Quote →Frequently asked questions
Signs you need it
- You see water on the basement floor or walls after heavy rain
- There's a persistent musty smell in your basement
- You've noticed white chalky deposits (efflorescence) on the basement walls
- There are visible cracks in your foundation walls
- Your basement feels damp or humid even when it hasn't rained recently
What to ask your pro
- 1
What is the source of my water problem and what method are you recommending?
- 2
Does the quote include a sump pump and battery backup?
- 3
What warranty do you offer and is it transferable to a future buyer?
- 4
How much disruption should I expect and how long will the work take?
- 5
Will I need to address any exterior issues (grading, gutters) alongside this work?
Disclaimer: QuackQuack is a matching service and does not provide installation services directly. Pricing varies by location, scope, and contractor.