Legacy Plumbing

10/13/2026

Building or Renovating a Dental Office?

Dental facilities require specialized plumbing systems, precise coordination, and a contractor who understands the unique demands of healthcare construction.

At Legacy Plumbing, we work with general contractors, developers, and dental professionals throughout the St. Louis area to deliver reliable plumbing solutions for new dental offices, expansions, and renovations.

🌐 www.legacyplumbingmo.com

Commercial plumbing contractor in St. Louis since 1996 — design-build, plan & spec, industrial, and facility service. Call 636-978-0120. Free bids.

10/11/2026

Looking for dependable subcontractors for your next commercial project?
We’re always interested in building new relationships with GCs, developers, and owners.

10/08/2026

Quality control starts long before the final walkthrough.

10/07/2026

Good projects start with good partners.

Clear communication. Reliable schedules. Quality work. That’s what commercial construction should look like.

10/05/2026

Legacy Plumbing: A Tradition of Quality Craftsmanship.

10/02/2026

We’ve added several free tools to our website to make planning and estimating plumbing projects a little easier.

Whether you’re checking water heater sizing, running calculations, or planning your next project, take a look at what we’ve built.

Explore all of our tools:

Design-build commercial plumbing in St. Louis — Legacy Plumbing partners with you from early design-assist through final inspection. Call 636-978-0120.

09/30/2026

Residential plumbing much higher than anticipated? Use our free quote builder to double check the estimate:

Build your own residential plumbing quote in St. Charles and St. Louis — pick the job, materials and labor hours, then download a PDF quote. Start now.

09/29/2026

Is your water heater actually the right size?

Too small and you run out of hot water. Too large and you may be paying for capacity you don’t need.

Legacy Plumbing’s Water Heater Sizing Calculator makes it easy to get a quick estimate based on your hot water needs.

Size a commercial water heater for your St. Louis building — peak demand, storage, BTU input and tankless options. Run the numbers and send them to us.

09/29/2026

The best plumbing systems are the ones you never have to think about.

09/29/2026

Check out Legacy Plumbing’s Backflow Calculator — a quick tool designed to help contractors, facility managers, and property owners get the information they need without the back-and-forth.

Simple. Fast. Built by plumbers who understand the work.

Check when your St. Louis backflow assemblies are due for annual testing and what testing typically costs. See your status and schedule a test today.