Family-owned & locally operated

About Cathcart Water of Kansas City

Family-owned and locally operated, proudly serving the Kansas City metro from our home base in Parkville, MO. We design, install, and service whole-home water treatment with one promise that never changes: free professional installation on every new system, backed for life.

Financing availablePay over time with monthly financing through Klarna.

Financing available with Klarna →

Monthly financing through Klarna issued by WebBank, member FDIC. Subject to credit approval. Other CA resident loans made or arranged pursuant to a California Financing Law license. NMLS # 1353190.

Keegan Cathcart, Owner of Cathcart Water

MEET YOUR LOCAL OWNER

Keegan Cathcart, Owner of Cathcart Water

I'm Keegan Cathcart—a husband, father, and proud Northland native. I graduated from Park Hill High School and Missouri Western State University, and Kansas City has always been home.

At our family-owned company, Cathcart Water, I help local families find the right water system for their homes with honest advice, straightforward pricing, and service you can count on. When you reach out, you're talking to a neighbor who takes pride in earning your trust and being there long after installation.

— Keegan Cathcart

Book a Free In-Home Water Test

Our story

A Kansas City family business

Cathcart Water was built on a simple idea: Kansas City homeowners deserve clean, soft water without the high-pressure sales tactics the water-treatment industry is known for. We're a family-owned and locally operated company, and we answer the phone ourselves.

We've been serving the Kansas City metro for [confirm years in business], and in that time we've learned exactly what KC water does to a home — the limestone hardness, the chloramine taste, the sediment from aging mains — and how to fix it right the first time. Every system we install is built with American-made components and backed by a lifetime warranty on the parts that don't contact water.

We're licensed and insured with KC-based technicians — not subcontracted labor. When you call, you get a local team who knows your neighborhood, your water, and your home.

100%
Free installation on every new system
Lifetime
Warranty on dry parts
[confirm years in business]
Years serving KC
MO & KS
Full KC metro coverage

Our promises

What every Cathcart customer gets

The guarantees we keep on every system, every time. No fine print, no pressure.

  • 100% FREE professional installation on every new system ($500+ value)
  • Lifetime warranty on every new system
  • Manufacturer-backed warranties
  • Transparent pricing, no high-pressure sales
  • No-obligation quotes — quotes over the phone available
  • Same-week installation
  • Family-owned and locally operated
Read the full FAQ

What customers say

Reviews from across the metro

★★★★★
“The chlorine smell in our shower is completely gone. My skin stopped itching within a week. The install crew was in and out in a morning and left everything spotless.”
Sarah M. — Northland KC
★★★★★
“The scale on our shower glass is gone and our towels are actually soft now. We didn't realize how hard our water was until it wasn't. Install was free and the crew was professional.”
Mike & Jen T. — Lee's Summit, MO
★★★★★
“We cancelled our bottled water delivery the week the RO went in. The water tastes better than anything we were buying. The tankless unit fit perfectly under our small sink.”
Amanda K. — Parkville, MO

See all reviews →

Ready for cleaner water?

(816) 298-0839

Free quotes over the phone. Same-week installation across the Kansas City metro.