How Much Does it Cost to Waterproof a Basement?


There are a number of factors that determine the cost of waterproofing a basement.  Below are some of the more significant variables.

Factors Influencing the Cost to Waterproof a Basement:

Foundation Type

The first step in solving a basement seepage problem is to determine what the foundation was constructed of.  Foundations in the Chicago area are most commonly built using poured concrete.  Cracks are the most common source of basement seepage in poured concrete foundations.  Homes found in Rockford, Northwest Indiana and Wisconsin are often built using concrete block.  Older homes are typically built using other types of masonry such as brick and stone.  Each type of foundation requires a different method of repair.

Interior vs. Exterior Waterproofing Methods

An experienced and full service basement waterproofing company offers solutions from both the interior and exterior.  If you have a highly finished basement, you might opt for an exterior waterproofing solution to avoid dismantling your basement.  Conversely, you might have a new brick paver patio and don’t want it to get destroyed by excavation.

Foundation Depth

In Chicago, foundations are set minimally four feet in the ground to be below the frost line.  Basements that are seven foot and deeper tend to have window wells.  The depth of the foundation influences the job because waterproofing deeper foundations require more labor, especially when working from the exterior.  Interior waterproofing solutions aren’t influenced as much by the depth.

Method of Repair

Sealing a foundation wall crack costs hundreds of dollars.  It gets cheaper as we do more.  Interior Drain Tile Systems range between $2,000 and $10,000 on average.  The price is influenced by the length of the system and added components (sump pumps, wall treatments, etc).  Exterior waterproofing solutions vary widely from hundreds to thousands of dollars.  Stay tuned for a more in-depth blog on exterior waterproofing. 

Where You Live

Many municipalities have special requirements that can impact the cost of the job.  As an example, the City of Lake Forest, Illinois requires the sump pump discharge to be galvanized steel pipe.

It might sound complicated, but it isn’t when you’ve waterproofed over 300,000 basements since 1957.  We’ve seen it all.  And our customers love that we always take a conservative approach. 

Interested in getting a firm quote?  Schedule a free consultation online and receive a 10% discount on your job. 


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