Water softener installation in Phoenix

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How hard is Phoenix water?

Phoenix's 2025 Water Quality Report gives total hardness of 172 to 302 ppm, or 10 to 17.6 grains per gallon. (Source: City of Phoenix 2025 Water Quality Report)

What installation costs

HomeGuide puts a water softener system at $1,200 to $3,800 installed, depending on capacity, hardness and local labor rates (HomeGuide). Local quotes vary, so compare at least two or three. See water softener cost.

Licensing

In Arizona, residential water conditioning work falls under the Registrar of Contractors R-54 license class. Ask for the ROC number. (AZ ROC)

Not sure you need one?

Read 7 signs you need a water softener and how to choose a softener for very hard water.