Water Filtration Cost in 94403 (San Mateo, CA) — 2026 Pricing
Homeowners in zip code 94403 pay $200–$4,000 for water filtration. Under-sink $200–$500; whole-house $1,500–$4,000. Get your free quote today.
$200–$4,000
Water Filtration in 94403 • Updated July 2026
Water Filtration in Zip Code 94403
Water filtration system installation including whole-house filters, water softeners, reverse osmosis systems, and under-sink filters. Improve water quality throughout your home. Our licensed contractors provide fast, reliable service throughout the 94403 area in San Mateo, San Mateo County.
Call (916) 476-7689 for an immediate quote or fill out the form below for a detailed estimate.