Having an outdoor drain tile installed by a landscaper or other professional can cost as low as $10 to $30 a foot. However, the cost averages about $25 per foot depending on the depth and width of the drain. For example, a drain tile that's 30 feet to 50 feet long may cost about $750 to over $1,500.
Average cost to install a French drain is about $1000-$1500 (standard exterior drain with small upgrades). Find here detailed information about french drain .
Average cost per line, $457. Basement why are french drains needed. A four wall installation is not always.
The cost to Install a Drain Line starts at $452 – $559 per line, but can vary significantly with site conditions and options. Get fair costs for your SPECIFIC project .
The national average cost of installing a French drain, including excavation and sump pump, is between $7,100 and $9,700, but may be more or less depending
I just figured it's high because everyone wants tile after the rain we got this spring. . Then you'll know what they are charging for labor to install.