Service & Repair Plumbing Contractor Serving St. Louis, St. Charles & Jefferson County
Legacy Plumbing keeps commercial buildings across the St. Louis metro running with repair, drain and maintenance work handled by licensed service technicians. We schedule service 7am–4pm Mon–Fri and show up with the truck stocked for the call.
Schedule Service
Tell us about your project — we respond within one business day.
Commercial service Monday–Friday, 7am–4pm.
We provide commercial plumbing repair for leaks, backups, no hot water, failed fixtures, and gas issues. We send licensed technicians with stocked trucks so we can diagnose the problem and fix it on the first visit when possible. We keep you updated and give you clear documentation at every step.
Request ServiceServices
- Water heaters and boilers
- Leak detection
- Water line repair
- Fixture and flush valve repair
- Gas line service
- Pumps, sump and ejector systems
Buildings We Service
- Industrial and manufacturing plants
- Medical and dental offices
- Office buildings and multi-tenant properties
- Schools, churches and municipal buildings
- Warehouses and distribution centers
- Retail centers and restaurants under management contracts
How a Service Call Works
Call or Submit Online
Tell us the building, the symptom and the access requirements. We confirm a window same day where the schedule allows.
Diagnose On Site
The tech isolates the actual failure — camera, meter or pressure test — instead of guessing at parts.
Repair or Quote
Small repairs are handled on the spot. Larger scopes get a written quote before anyone spends your money.
Report & Follow-Up
You get documentation of what failed, what was replaced and what should be watched next.
Why Choose Legacy for Service & Repair
Why Facility Managers Keep Our Number
Scheduled service 7am–4pm Mon–Fri
We do not pretend to have a night crew. We do get you on the board fast during service hours.
Licensed commercial service techs
Master-licensed supervision on commercial systems, not residential techs learning on your building.
History on your building
Recurring customers get documented service history so the next tech is not starting from zero.
Backed by a construction division
When a repair turns into a replacement, the same company can price and build it.
Commercial Plumbing Repair FAQs
- What commercial plumbing repair do you handle?
- Repair, drain and maintenance work for office buildings, medical and dental offices, schools, warehouses, industrial plants, retail centers and restaurants under management contracts, handled by licensed commercial service technicians.
- Should we repair or replace a failing system?
- The tech isolates the actual failure first. Small repairs are handled on the spot; larger scopes get a written quote, and our construction division can price and build a replacement.
- How do we schedule a service call?
- Call 636-978-0120 or submit a request online. Service is scheduled Monday–Friday, 7am–4pm; we do not staff an overnight crew.
Request a Service & Repair Bid
Send scope, schedule and site address. We reply within one business day.
Schedule Service
Tell us about your project — we respond within one business day.
Related reading
For examples of this work, see Facility Water Heater & Backflow Program (Regional Portfolio) and Plant Cafeteria Plumbing in St. Louis (St. Louis, City of St. Louis). For planning guidance, read When a Commercial Plumbing Problem Can't Wait and Before the First Hard Freeze: A Plumbing Walk-Through for St. Louis Commercial Buildings.
Related Services
Where we work
St. Charles County
Lincoln County
Warren County
St. Louis County
Jefferson County
Need a Plumber in St. Louis or the Surrounding Area?
Written bids within one business day, scheduled service Monday–Friday 7am–4pm, and union-trained crews since 1996 across the St. Louis metro and a 2-hour radius.
From Our Job Sites
