The answer to the average cost of a water softener is that it can vary widely, typically ranging from $500 to $3,000 or more. The final cost will depend on factors such as the size and type of water softener, the complexity of the installation, and your local market rates.
Whole-house water softeners are the most common type, which treat all the water entering your home. These generally cost $800 to $2,500 for the unit and installation. Factors that influence the price include the water hardness level, the size of your home, and whether any plumbing modifications are needed. You may also need to factor in ongoing maintenance and salt costs.