Cost to Install a Water Softener – 2021

| Last Updated: August 24, 2021

National Average Improvement and Repair Cost







$ 915

$ 495

Would you do this project? According to our survey, 49% of respondents preferred DIY compared to hiring a pro.

The average price to Install a Water Softener noted above is cost data to compare a contractor’s estimate with doing it yourself.

What’s the cost of a water softener? A water softener company charges $915 to install a water softener vs. doing it yourself for $495. 

If hard water is a fact of life where you live, consider installing a water softening system that will remove dissolved minerals like calcium and magnesium that can’t be removed by ordinary filters. With a water-softening system, you will use less laundry detergent and your clothes will not come out stiff and scratchy and full of scaly deposits.

You’ll also create less soap residue, which will come in handy when cleaning showers, tubs, and sinks. Soft water will also improve water heater efficiency and leave no water spots on glassware in the dishwasher.

A water softener company will charge $915 to install a good quality water softener system for a small house with one and a half bathrooms. If you have plumbing experience and tools, you can buy the unit and the installation kit for $495, the water softener installation cost, and save 45 percent.

Carefully read the directions before deciding whether to install it yourself so that you understand everything that’s involved. Enter your ZIP Code to adjust the cost to where you live.

The unit should be located within five feet of the main water supply before the water heater and within 10 feet of proper drainage and a 120v/60hz electrical outlet.

For more information about the effects of hard water on the home go to this website

The average price to install a water softener noted above is cost data to compare a contractor’s estimate with doing it yourself. 

Welcome! We hope you’ll find the job costs of home improvement projects useful when you’re deciding whether to do a job yourself vs. hire a contractor. We’re the authors of 20 home improvement books, most notably Home Improvement for Dummies©, Bathroom Remodeling for Dummies©, Carpentry for Dummies©, Plumbing for Dummies©, and Painting and Wallpapering for Dummies©. Our most recent book Fix It and Flip It is in its second edition. We’ve appeared as home improvement experts on television programs such as CNN, Dateline, the Today Show, HGTV and many others.