What home water treatment costs in the Bay Area
Most whole-house water treatment costs between about $850 and $5,000 installed, depending on the system. An under-sink reverse osmosis filter is about $300 to $950.
| System | Typical installed range |
|---|---|
| Salt-based water softener | $1,200 to $3,800 |
| Dual-tank softener | $1,700 to $5,000 |
| Salt-free conditioner | $1,500 to $4,500 |
| Under-sink reverse osmosis | $300 to $950 |
| Whole-house reverse osmosis | $4,800 to $8,000 |
| Whole-house carbon filter | $850 to $1,500 |
| Catalytic carbon filter for chloramine | $1,200 to $3,500 |
These are published national ranges, not quotes. California labor generally runs toward the upper half.
Start here
- Which water you have in the Bay Area, and why soft water can still need treatment
- Chloramine vs chlorine
- Running costs: salt, filters and water
- Repair prices by problem
- How to compare quotes
- Calculators