Reverse Osmosis System Cost in San Diego (2026)

Author : Stekkerbatterij Stekkerbatterij | Published On : 24 Jul 2026

An under-sink reverse osmosis system costs $400 to $1,400 installed in San Diego, and it’s the one common water treatment that actually removes the dissolved minerals and salts that make our tap water taste the way it does. San Diego’s supply is very hard, 15 to 21 grains per gallon, and most of it travels here from the Colorado River carrying a heavy mineral load. That’s why the RO tap has become a standard kitchen upgrade across the county.

https://plumbingprosd.com/blog/reverse-osmosis-system-san-diego/