Coarse gravel helps the water drain into the pit. Otherwise, the check valve could break. Homeowners should also install a backup sump pump. However, the costs can vary based on the area you live in and the type of drain you want. The materials you need will vary based on the location of your pump. This will bring the water from your crawl space out to the exterior of your home. Cost To Install Sump Pump And French Drain: If you're looking for a quick and cost-effective way to prevent standing water in your basement, a sump pump and French drain may be just what you need. You can also use concrete to fill the area around the sump.