Waterproofing
& Drainage
How wet basements and soggy yards get fixed, the difference between interior and exterior solutions, what it costs, and how to stop water for good.
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A wet basement or a yard that won't drain is almost always a water-management problem, not bad luck. Water follows the path of least resistance, and if the grading, drainage, and foundation aren't set up to move it away from the house, it finds its way in.
New Jersey's clay soils, high water tables, and heavy seasonal rain make this common here. The good news is that once you understand where the water is coming from, it's fixable. This page covers how waterproofing and drainage work, the main solutions, cost factors, and the questions homeowners ask us most.
Signs You Have a Water Problem
Water or Dampness
In the basement after rain.
Efflorescence
White chalky residue on foundation walls.
Musty Smell, Mold or Mildew
In the lower level.
Cracks
In foundation walls or floor.
Pooling Water
In the yard or near the foundation that won't drain.
Common Solutions
French Drains
A trench with gravel and a perforated pipe that collects groundwater and redirects it away from the foundation or a wet area. One of the most effective and common fixes.
Interior Perimeter Drainage & Sump Pump
A drain system inside the basement perimeter that channels water to a sump pump, which pumps it out and away.
Exterior Grading
Regrading the soil so it slopes away from the house, often the simplest first step.
Foundation Crack Repair & Sealing
Sealing cracks and coating foundation walls to stop seepage.
Downspout & Surface Drainage
Extending downspouts and adding surface drains so roof and yard water goes where it should.
The right fix depends on where the water is coming from, which is why the assessment comes first.
Interior vs. Exterior
Exterior Solutions
Stop water before it reaches the foundation: grading, exterior French drains, and surface drainage. They address the source.
Interior Solutions
Manage water that reaches the foundation: interior perimeter drains and a sump pump. They control and remove it.
Many homes need a combination. We diagnose the cause and recommend the approach that actually solves it, not just the one that's easiest to sell.
Our Process
Assessment
We inspect the basement, foundation, grading, and drainage to find where the water is getting in and why.
Plan
We recommend the right combination of grading, French drains, sump pump, and sealing for your situation.
Excavation and Installation
We install the drainage system, French drain, or sump setup, and address grading as needed.
Sealing and Finishing
We seal cracks and foundation surfaces where appropriate and backfill and restore the area.
Testing
We confirm the system moves water where it should.
What Affects the Cost
Waterproofing and drainage pricing depends on a handful of things.
Source & Severity
Where the water is coming from and how severe the problem is.
Solution & Drain Runs
The solution or combination needed and the length of drain runs.
Sump Pump & Excavation
Whether a sump pump is added and how much excavation is required.
Foundation Repair & Access
Any foundation repair needed and how easy the site is to access.
A simple regrade or downspout fix is at the low end; full exterior drainage or an interior perimeter system with a sump pump costs more. We give a free written estimate after assessing the site.
Frequently Asked Questions
Why is my basement wet?
How much does basement waterproofing cost?
What is a French drain and do I need one?
Interior or exterior waterproofing, which is better?
Will waterproofing fix foundation cracks?
Do I need a sump pump?
Related Services
Looking for a related exterior service? Take a look at these related pages.
Ready To Get Started
Dealing With A Wet Basement or Drainage Problem?
Call us at (908) 263-8265 or request a free estimate. We'll find where the water is coming from, recommend the right fix, and give you a straight written price.