Basement Waterproofing Cost in Long Island, New York

Basement waterproofing cost in Long Island, New York ranges from $3,000 to $11,900 depending on the type of waterproofing required. Exterior foundation waterproofing cost ranges from $127 to $179 per linear foot. Basement sealing cost ranges from $6.00 to $11.90 per square foot. Basement french drain cost ranges from $74 to $89 per linear foot. To get a more accurate cost for your basement waterproofing project, request a quote.

By HomeBlue Team

Updated October 26, 2021 4:45 PM

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How Much Does Basement Waterproofing Cost in Long Island, NY?

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 in Long Island, NY.

Basement waterproofing cost:

Basement waterproofing cost ranges from $3,000 to $11,900 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 $127 to $179 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): $2,500 to $3,600.
Foundation waterproofing cost (40 linear feet): $5,100 to $7,200.
Foundation waterproofing cost (60 linear feet): $7,600 to $10,700.
Foundation waterproofing cost (80 linear feet): $10,100 to $14,300.
Foundation waterproofing cost (100 linear feet): $12,700 to $17,900.

Basement french drain cost:

Basement french drain cost ranges from $74 to $89 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): $1,500 to $1,800.
Basement french drain cost (40 linear feet): $3,000 to $3,600.
Basement french drain cost (60 linear feet): $4,500 to $5,400.
Basement french drain cost (80 linear feet): $6,000 to $7,200.
Basement french drain cost (100 linear feet): $7,500 to $8,900.

Basement sealing cost:

Basement sealing cost ranges from $6.00 to $11.90 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 for Long Island, NY

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Factors that Influence Foundation Waterproofing Cost in Long Island

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.

Price(less) Quotes from Local Waterproofing Companies Near Long Island, NY

A.M. Shield Waterproofing Corp. AM Shield Waterproofing recently awarded the NAWSRC STAR Award for exceptional customer care for the fifth year in a row. Servicing Long Island, NYC and Westchester with Nationally Certified Waterproofing and Mold Remediation Specialists they are able to provide the highest level of professional solutions. AM Shield has the widest range of services available to property owners in the greater New York area utilizing multiple techniques in exterior foundation waterproofing, interior drainage, foundation crack injections and foundation repair solutions,. AM Shield™s environmental division will assess the damage, repair the problem and create a healthy environment for property owners who experience mold or moisture problems.

French Drain Masters We are just like you. We here at French Drain Masters have homes and property on and around Long Island. When we arrive on-site to assist with any issues or projects, we’ll recommend and perform the same quality of work and services we use on our own homes and property. We understand that your home is your most valuable investment, and with that in mind, we know how to get the job done right.

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