Whole-Home Water Treatment Systems in Novato, CA

Need a Water Treatment Solution?

Consider It Done!

Your Water Treatment Headquarters in Novato

Looking for whole-home or point-of-use water treatment systems? Peter Levi has you covered with water softeners, reverse osmosis systems, and water quality testing for homes throughout Novato and Marin County.


Hard water and unwanted contaminants can affect your skin, your appliances, and the taste of your water. Our licensed plumbers test your water, recommend the right system for your home, and handle the installation from start to finish. Contact us today to schedule your water treatment evaluation.

How Much Does a Whole-Home Water Treatment System Cost in Novato?

  • Low:
    $3,500
  • Average:
    $5,000
  • High:
    $7,500

What Affects the Cost of a Whole-Home Water Treatment System?

Peter Levi always provides honest, upfront pricing with no hidden charges or fees, so you know exactly what to expect. Several factors influence the cost of installing a whole-home water treatment system. These include:

  • System type: Water softeners, water conditioners, water filtration, and reverse osmosis systems all treat water differently, and each comes with its own equipment and installation costs. We walk you through the differences so you can choose the right fit for your home and your budget.
  • Household size: The larger the household, the higher the water usage. Some homes require a higher-capacity system to keep up with demand. The good news? We size your system based on your household's actual usage, so you get consistent performance without paying for capacity you don't need.
  • Installation requirements: Where you place a water treatment system, and how much plumbing modification it takes to connect it, can affect labor costs. Our plumbers evaluate your home before providing a final quote.

Why Choose Peter Levi

Peter Levi has provided plumbing and water treatment services throughout Northern California for over 35 years. Homeowners trust our licensed, bonded, and insured team to test their water, recommend the right system, and handle every step of installation.

We build REAL-ationships with our customers. That means honest, upfront pricing with no hidden fees, free estimates on new equipment, and a 100% satisfaction guarantee on every installation.

“Above and Beyond"

“Diego R. replaced our water filtration system. He was most knowledgeable, helpful and efficient. I trust him completely and will always ask for him by name when needing future service.”

- Peter G.

Our Water Treatment Solutions

  1. Water Softeners

Our water softeners use ion exchange to remove calcium and magnesium, protecting your pipes and appliances from scale buildup. We install systems with a gravel-free tank design that reduces salt and water waste.

  1. Reverse Osmosis (RO) Systems

A point-of-use solution, reverse osmosis systems install under your sink and remove contaminants like lead, chlorine, and dissolved solids for cleaner, better-tasting water straight from the tap.

  1. Water Quality Testing

Before recommending a system, we test your water to identify hardness levels and contaminants. This lets us recommend the right equipment for your home, so you only pay for what you need.

  1. Water Filtration

Whole-house water filtration systems remove sediment, chemicals, and other impurities from every tap in your home. These systems use various filter media to target specific contaminants like chlorine, pesticides, and heavy metals, significantly improving the overall quality and safety of your household water supply.

Whole-House Water Treatment Frequently Asked Questions

Signs like scale buildup on faucets, dry skin and hair, or unpleasant-tasting water all point to water quality issues. A water test from Peter Levi tells you exactly what's in your water and which system fits your needs.

A water softener uses salt and ion exchange to remove hardness minerals, while a conditioner uses media to alter those minerals instead. Conditioners don't rely on salt, which makes them a common choice for California homes and businesses.

A water softener treats water for your whole home, while reverse osmosis targets your drinking and cooking water at a single tap. Many homeowners use both to get soft water throughout the house along with cleaner drinking water.

Most water softener and reverse osmosis installations take one day or less to complete. Your plumber will confirm the timeline for your specific system during your in-home evaluation.

Water softeners typically need salt refills every 6 to 8 weeks, along with an annual checkup. Reverse osmosis systems need filter changes about once a year, depending on your household's water usage.

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NOVATO
24 Digital Dr STE 1
Novato, CA 94949

VACAVILLE
1021 Mason St, STE 11
Vacaville, CA 95688

© Peter Levi 2026
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