When estimating the basement waterproofing costs, it's important to keep a few facts in mind. First, it is necessary to identify the source of the moisture that is making its way into the space. The basement waterproofing cost for a sump pump works out on average to between 11 and 22 per square foot, depending on the size of the basement floor. Figuring the average basement at 1000 square feet, that runs into some money: between 11K and 22K for the complete job. The companies that have the time and interest in providing you their install. How can the answer be improved. A subfloor drain tile system is necessary to remedy this type of wet basement. BASEMENT WATERPROOFING COSTS OVERVIEW. Basement waterproofing costs vary greatly depending on the source of the water issue. The simple preventative tips we listed above can help to lesser your water issue or elimiate it all together. The average homeowner spends around 4, 047 to seal a basement or foundation, with minor repairs costing as little as 600. More comprehensive issues that include fixing cracks in the foundation or adding drains gutters can cost upwards of 10, 000. Depending on a number of variables, that cost can range anywhere from 2, 024 and 6, 140. Hiring someone to repair and seal your basement interior can run 2501, 000 or more; if the project also includes outside excavation plus installing a waterproof barrier and footer drains, the total cost starts around 5, , 000, but can run 11, , 000 or more. When it comes to the average cost to waterproof a basement, avoid a much more costly mistake later by investing in your basement now. Once your basement floods, the costs of dealing with the issue grow exponentially. Stay ahead of potential issues by properly preparing your. To have it installed, one foot of gutter will cost anywhere from 5 to 10. A common solution for waterproofing a basement would be through the use of a specially formulated paint that is designed to seal concrete block and prevent water from entering the basement. Dec 19, 2018The cost for waterproofing a basement can range from 500 to 3, 500 depending on the extent of the waterproofing and amount of work involved. Waterproofing is an important precaution for basements that are prone to moisture buildup or leaks, as water damage can cause mold, as well as expensive damage to the homes foundation. The national average cost of an exterior waterproofing job for a basement is typically between 8, 700 and 14, 500, but may be more or less depending on where you live. The price can be as high as 80, 000, depending on how accessible the targeted areas are, how much digging is required and how much landscaping or other work must be restored. Jan 16, 2012How Much Does it Cost to Waterproof a Basement? 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).