(626) 247-4367 Serving Pasadena, San Marino & Altadena

Pasadena · San Marino · Altadena

#1 Top-Rated Water Filtration Company in San Gabriel Valley

Professionally installed water softening, whole-home filtration and reverse osmosis across San Gabriel Valley. We cut hard water, scale, chlorine, taste and odor with equipment built for our water. Straightforward quotes and written warranty coverage.

  • No salesperson at your door. Get help by phone, text, or email.
  • One clear price. Equipment and installation, with no surprises.
  • Professionally installed. We schedule a licensed plumbing professional, and you pay after it's installed and working.

HOW IT WORKS

From One Phone Call to Better Water

Four simple steps, and you stay in control the whole way.

1

Free Phone Call

Tell us what's bugging you about your water. We pull your city's water report before we talk.

15 minutes
2

Your Recommendation

We recommend the right system for your home and give you one clear price, with installation included.

Same call
3

Professionally Installed

We bring your system and schedule a licensed plumbing professional to install it. You pay after it's installed and working.

About 1 to 2 weeks
4

We Stay in Touch

Setup help after install, salt and filter reminders, and check-ins at 30 days and 6 months.

Ongoing

OUR SYSTEMS

Pick the Result You Want

Every system is sized to your home and your city's water. Not sure which one fits? That's what the free call is for.

Complete home water systemComplete home water system installed in a garage
MOST POPULAR

Complete Home System

Softener and whole home filter together. The easiest way to fix hard water and chlorine taste at the same time.

Ask About This System
  • Soft water and better tasting water from every tap
  • Protects your water heater and appliances from scale
  • Showers without the pool smell
  • Professional installation included
  • First 2 bags of salt included
Water softener
For hard water

Water Softener

High capacity 48,000 grain softener, sized for most homes.

  • No more white crust on faucets, showerheads and glass doors
  • Helps your water heater, dishwasher and washer last longer
  • Spot free dishes and glassware
  • Softer feeling skin, hair and laundry
  • Uses less soap and detergent

Only regenerates when you've used the water. First 2 bags of salt included.

Whole home filter
For taste & smell

Whole Home Filter

Built for chloramine, the disinfectant used in most local city water.

  • Less chlorine taste and smell from every faucet
  • Showers and baths without the pool smell
  • Better tasting coffee, tea and cooking water
  • No cartridges to change. The carbon lasts for years

Catalytic carbon that pairs with our softener as a matching two-tank set.

Under sink drinking water systemDrinking water system installed under a kitchen sink
Add-on

Drinking Water System

5-stage under sink reverse osmosis with its own kitchen faucet.

  • Crisp, clean tasting water for drinking and cooking
  • Clearer ice and better coffee
  • Stop buying and hauling cases of bottled water
  • Fits under your kitchen sink

Add it to any system and have it installed at the same time.

Not sure?

Let's Figure It Out Together

Tell us what you notice: spots on glass, crusty faucets, chlorine smell, dry skin. We'll match it to your city's water report and keep it simple.

Book a Free Call

INCLUDED

Every System Comes With

No add-on fees for the things that should come standard.

  • Water report reviewWe read your city's water report and size the system to your home.
  • Delivery and installationWe bring your system and schedule a licensed plumbing professional to install it.
  • Pay after installNothing is due until your system is installed and working.
  • Setup helpWe walk you through the settings once it's installed.
  • Lifetime warrantyLifetime on the control valve wear parts, brine tank and drinking water tank. 5 years on electronics, 12 months on filter media. If a part fails, you call us and we handle the claim.
  • Check-insA quick call at 30 days and 6 months to make sure everything works.

SERVICE AREAS

Local to the San Gabriel Valley

We currently serve these communities, with plans to expand across the San Gabriel Valley.

  • Pasadena, CA
  • San Marino, CA
  • Altadena, CA

Not seeing your city? Reach out. We're expanding into nearby San Gabriel Valley communities.

Altadena Pasadena San Marino

FREQUENTLY ASKED

Frequently Asked Questions

Quick answers about our systems, how installation works, and what to expect.

Will someone come to my house to sell me something?

No. Everything happens by phone, text or email. The only person who comes to your home is the licensed plumbing professional who installs your system, on the date we schedule together.

Who installs the system?

We handle it. Archstone Water brings your system and schedules an experienced, licensed plumbing professional to install it. You deal with one company, and you pay once, after it's installed and working.

How do you know what my water needs without testing it?

Every city water utility publishes an annual water quality report with hardness and disinfectant levels. We review the report for your address and combine it with what you notice at home to recommend the right system and size.

What's the difference between a softener and a filter?

A softener removes the hardness minerals that leave scale and spots. A whole home filter reduces chlorine and chloramine taste and smell. Many local homes want both, which is why we offer the Complete Home System.

Do I need a drinking water system too?

Only if you want the best tasting drinking water at your kitchen sink, or you're tired of buying bottled water. It's an optional add-on that can be installed at the same time as your main system.

Can you help if my water comes from a mutual water company?

Yes. We work with homes on Pasadena Water and Power, California American Water in San Marino, and the mutual water companies serving Altadena. We'll look up the report for your provider.

What maintenance is involved?

Softeners need salt about every month or two, and your first 2 bags are included. The whole home filter has no cartridges to change, and the carbon lasts for years. The drinking water system needs new filters about once a year. We'll remind you when anything is due.

Get In Touch

Reach out anytime. We typically respond within the hour during business hours.

Phone(626) 247-4367
Emailhello@archstonewater.com
Service AreasPasadena · San Marino · Altadena

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