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Your Trusted Neighbor for Plumbing Services in Des Peres, MO

Reliable, Friendly, and Always Here When You Need Us Most

When plumbing problems pop up, you need a local team you can count on — one that shows up on time, treats your home with respect, and fixes the issue right the first time. That’s exactly what you get with Castlewood Plumbing, your trusted neighbor offering dependable plumbing services in Des Peres, MO, and the surrounding communities.



We’re not just plumbers, we’re part of the community. Whether it’s a leaky faucet, a broken water heater, or a full plumbing installation, we’re here to make your day easier, your home safer, and your water flow better.

Why Choose Castlewood Plumbing?

When you call Castlewood Plumbing, you’re not dialing a call center — you’re reaching a local, family-owned plumbing company that cares about doing right by our neighbors.

Here’s what sets us apart:

  • Local Expertise: Proudly serving Des Peres and the nearby St. Louis area for years.
  • Honest Service: Transparent pricing, no hidden fees, no upselling, ever.
  • Experienced Technicians: Skilled professionals who treat your home like their own.
  • Quick Response: Same-day service options for urgent plumbing needs.
  • Guaranteed Workmanship: We stand behind every job we do.

When we say we care about our customers, we mean it. From the moment you call to the final clean-up, we make sure the experience is smooth, stress-free, and backed by real results.

Our Plumbing Services in Des Peres, MO

No matter what kind of plumbing issue you’re facing, our team is ready to handle it with skill and care. At Castlewood Plumbing, we offer a full range of residential and commercial plumbing services designed to keep your water systems running smoothly.

Water Heater Installation & Repair

Is your water heater acting up or taking forever to heat? We install, repair, and maintain all types of water heaters, gas, electric, and tankless. If you’re ready to upgrade to a more energy-efficient model, we can help you choose the perfect fit for your home.

Toilet Installation & Repair

From constant running to stubborn clogs, our team handles all types of toilet repairs. Need a new toilet installed? We’ll make sure it’s done correctly for years of worry-free use.

Faucet Installation & Service

Dripping faucets can waste hundreds of gallons of water a year. Our plumbers can repair or replace any faucet quickly, saving you money and frustration.

Leak Detection & Repair

Even the smallest leak can turn into a big problem. Our advanced leak detection tools help find and fix leaks fast — before they cause costly damage to your home.

Shower Valves, Faucets & Cartridges

Keep your showers running perfectly. We repair and replace shower valves, cartridges, and faucets for better water pressure and temperature control.

Plumbing Fixtures & Connections

From collars, supply stops, and PR valves to expansion tanks, main stops, and waste & overflow systems — we handle all your plumbing components with precision and care.

Recirculation Pumps

Tired of waiting for hot water? A recirculation pump gives you instant hot water at every tap. We install and service pumps to make your system more efficient and convenient.

Garbage Disposals

Keep your kitchen running smoothly with a high-quality garbage disposal installation or repair. We’ll help you choose the right model and ensure it’s installed for reliable performance.

Backflows & Stack Replacements

Protect your drinking water with professional backflow prevention and testing. If your plumbing stack is outdated or corroded, we can replace it to keep your system safe and up to code.

Water Softeners

Hard water can damage pipes and appliances. Our team installs and maintains water softeners to extend the life of your plumbing system and improve your home’s water quality.

Serving the Des Peres Community with Pride

We’re proud to be a local business rooted right here in Des Peres. Our customers are our neighbors, friends, and community members — and we treat every service call like we’re helping family.



From emergency repairs to planned upgrades, Castlewood Plumbing is here when you need us most. We know the challenges homeowners in Des Peres face — from aging plumbing systems to seasonal changes — and we’re always ready with practical, affordable solutions.

Frequently Asked Questions

  • Do you offer emergency plumbing services in Defiance?

    Yes! We provide 24/7 emergency plumbing services to handle leaks, clogs, and water heater issues promptly.

  • Are your plumbers licensed and insured?

    Absolutely. Every technician at Castlewood Plumbing is fully licensed, insured, and trained to ensure the highest quality of work.

  • How soon can you schedule plumbing service?

    We often offer same-day appointments in Defiance and nearby areas for your convenience.

  • What brands do you service or install?

    We work with all major plumbing brands and fixtures, including Moen, Delta, Kohler, Rheem, and more.

Need Reliable Plumbing Services in Des Peres? Call Castlewood Plumbing Today!

Don’t let plumbing issues disrupt your day. Whether you’re dealing with a leaky faucet, a clogged drain, or a broken water heater, Castlewood Plumbing has you covered.



Call us today to schedule your service or request a free quote. You’ll see why so many homeowners in Des Peres choose us for fast, friendly, and affordable plumbing help.