Basement Waterproofing Cost in Los Angeles, California

Basement waterproofing cost in Los Angeles, California ranges from $2,700 to $10,900 depending on the type of waterproofing required. Exterior foundation waterproofing cost ranges from $116 to $164 per linear foot. Basement sealing cost ranges from $5.50 to $10.90 per square foot. Basement french drain cost ranges from $68 to $82 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 Los Angeles, CA?

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 Los Angeles, CA.

Basement waterproofing cost:

Basement waterproofing cost ranges from $2,700 to $10,900 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 $116 to $164 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): $2,300 to $3,300.
Foundation waterproofing cost (40 linear feet): $4,600 to $6,600.
Foundation waterproofing cost (60 linear feet): $7,000 to $9,800.
Foundation waterproofing cost (80 linear feet): $9,300 to $13,100.
Foundation waterproofing cost (100 linear feet): $11,600 to $16,400.

Basement french drain cost:

Basement french drain cost ranges from $68 to $82 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): $1,400 to $1,600.
Basement french drain cost (40 linear feet): $2,700 to $3,300.
Basement french drain cost (60 linear feet): $4,100 to $4,900.
Basement french drain cost (80 linear feet): $5,500 to $6,600.
Basement french drain cost (100 linear feet): $6,800 to $8,200.

Basement sealing cost:

Basement sealing cost ranges from $5.50 to $10.90 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 Los Angeles, CA

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Factors that Influence Foundation Waterproofing Cost in Los Angeles

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 Los Angeles, CA

Alpha Structural, Inc Alpha Structural, Inc. is a recognized leader in the engineering and construction of foundation and hillside repairs. Having built many custom hillside homes in the 1980s, David Tourjé, the Owner and Chief Executive Officer of the company, decided to specialize in foundation and hillside repairs due to the increasing demands for this type of work. To engineer and build the most precise, practical and responsible repair for our customer’s property, in conformance with State and Local Building Codes and with their budget in mind, so that they may realize THEIR goals concerning the correction of their property.

Kazemi & Associates Waterproofing Systems Corp. Kazemi Waterproofing was established in 1989 by Ron Kazemi. While working as a Project Manager, Ron quickly realized there was a lack of good waterproofing subcontractors. After doing the waterproofing himself on a number of projects he oversaw, Ron was inspired to establish his own waterproofing company. Since then, Ron has gained a reputation as an authority in the field of waterproofing while Kazemi Waterproofing has been recognized as an industry leader in technique, innovation and quality craftsmanship. Among some of their recognitions, Kazemi Waterproofing was awarded the National 2014 Sika Sarnafil Project of the Year Award for their installation of single ply PVC roofing membrane.

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