Basement Waterproofing Cost: Waterproofing Price Guide

Basement waterproofing cost ranges from $1,700 to $17,300 depending on the type of waterproofing required. Exterior foundation waterproofing cost ranges from $70 to $260 per linear foot. Basement sealing cost ranges from $3.30 to $17.30 per square foot. Basement french drain cost ranges from $41 to $130 per linear foot. To get a more accurate cost for your basement waterproofing project, request a quote.

Basement Waterproofing Cost

By HomeBlue Team

Updated October 26, 2021 4:45 PM

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How Much Does Basement Waterproofing Cost?

This guide is intended to provide you approximate basement waterproofing cost in your area. To get a quote for your specific project, Click Here for a Free Estimate. Our research, which includes feedback provided by waterproofing companies, resulted in the following foundation waterproofing cost.

Basement waterproofing cost:

Basement waterproofing cost ranges from $1,700 to $17,300 depending on the type of waterproofing required. This range includes various types of projects including interior projects (installing perimeter drains, french drains, channel drains, drain tiles, or basement sealing) and exterior projects (such as digging a trench around the exterior of your home and sealing the foundation). The costs below attempt to break down these different types of work.

Foundation waterproofing cost:

Exterior foundation waterproofing cost ranges from $70 to $260 per linear foot. This is exterior work that involves digging a trench on the outside of your home and installing waterproofing along the wall and foundation of the structure.

Foundation waterproofing cost based on the number of linear feet installed:

Foundation waterproofing cost (20 linear feet): $1,400 to $5,200.
Foundation waterproofing cost (40 linear feet): $2,800 to $10,400.
Foundation waterproofing cost (60 linear feet): $4,200 to $15,600.
Foundation waterproofing cost (80 linear feet): $5,600 to $20,800.
Foundation waterproofing cost (100 linear feet): $7,000 to $26,000.

Basement french drain cost:

Basement french drain cost ranges from $41 to $130 per linear foot. This is interior work that involves digging a trench or drain on the basement floor that drains into an exterior drain pipe or into a sump pump. These systems are also known as perimeter drains, channel drains, drain tiles, and basement drains.

Basement french drain cost based on the number of linear feet installed:

Basement french drain cost (20 linear feet): $800 to $2,600.
Basement french drain cost (40 linear feet): $1,700 to $5,200.
Basement french drain cost (60 linear feet): $2,500 to $7,800.
Basement french drain cost (80 linear feet): $3,300 to $10,400.
Basement french drain cost (100 linear feet): $4,100 to $13,000.

Basement sealing cost:

Basement sealing cost ranges from $3.30 to $17.30 per square foot. This is interior work that involves applying a sealant to the interior wall or floor of your basement. This process involves applying a sealant such as DRYLOK, RedGard, Aquadefense, and various types of liquid rubber products.

Sump pump cost:

If you require a sump pump as part of your basement waterproofing project, check out our Sump Pump Cost Guide

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Factors that Influence Foundation Waterproofing Cost

When a contractor comes to your house to provide you an estimate, they will consider several factors that can increase or decrease the cost of your project. Pricing for your basement waterproofing project will vary based on the type of work required and whether both interior and exterior work is needed. Here are a few things to keep in mind:

Your prices may be higher when:

Your basement is large and has significant water issues.
Interior and exterior work is required.
A sump pump needs to be installed.
A water drain line needs to be installed.
The basement is difficult to access.
The exterior foundation is difficult to access.
You have a finished basement.
The basement is full of items or furniture.

Your prices may be lower when:

You have minimal water issues.
You have an existing drain line to tie into (for drainage).
You already have a sump pump installed.
The basement is open and can be easily navigated.
Only interior work is required.
Only exterior work is required.
The basement is unfinished.
The basement is empty.

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How Much Does Basement Waterproofing Cost Near Me?

Foundation waterproofing cost varies from area to area. We have developed a number of basement waterproofing cost guides to help you identify the cost to waterproof your basement.