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Water filtration in San Marcos, CA.

Whole-home softening, filtration, and RO drinking water for San Marcos homes, installed starting at $2,699. Transparent, all-in pricing quoted before any work starts.

Most San Marcos homes are served by the Vallecitos Water District, which gets all of its water as imported supply through the San Diego County Water Authority. Since 2015 that supply has included desalinated seawater from the Carlsbad Desalination Plant.

What San Marcos homes are dealing with

Whatever the local water story, the most common complaints are the same: scale on fixtures, spotting on glassware, water heaters dying before their time, and water that just doesn't taste right. We pull the public data on your address and tell you exactly what you're dealing with.

Whatever your situation, the fix is the same honest approach: we pull the public data on your water, tell you exactly what your home needs, and install it for a transparent all-in price.

What we install in San Marcos

  • Whole-home softener and carbon filtration off your main line, the flagship bundle starting at $2,699 installed.
  • Under-sink reverse osmosis for the cleanest drinking water and your PFAS answer.
How the price works: one all-in number that covers the equipment and the install, quoted before any work starts.

Local install

Every San Marcos install is handled locally, start to finish.

Ready to see what's in your San Marcos water? Get Your Free Water Assessment or call (760) 454-1415.