The answer to 'how much does drainage system cost' is that the cost of a drainage system can vary widely depending on several factors. In general, a basic drainage system for a typical residential property can range from a few hundred dollars for a simple DIY project to several thousand dollars for a more complex professional installation.
The main factors that influence the cost of a drainage system include the size of the property, the complexity of the drainage needs, the materials used, and whether it's a DIY project or requires professional installation. Homeowners should get multiple local quotes to get an accurate estimate for their specific situation.