# Residential & Facility Plumbing Service > Residential and facility plumbing service in St. Louis — repairs, water heaters, drains, gas lines and backflow, 7am–4pm Mon–Fri. Request service today. Canonical: https://legacyplumbingmo.com/residential Facility Services Responsive repairs, preventive maintenance, and quoted facility upgrades for commercial and industrial properties across the St. Louis metro — plus select residential service for homeowners, including repairs, water heaters, drains, and gas lines. Our service team schedules calls from 7am–4pm Mon–Fri (emergency calls answered 24/7 — nights & weekends billed at premium rates). [Schedule Service](https://legacyplumbingmo.com/contact-us) [Call 636-978-0120](tel:+16369780120) ## Schedule Facility Service Tell us about your project — we respond within one business day. Facility Service & Repair ## Commercial plumbing service built around facility uptime From a one-time repair to a recurring maintenance program, Legacy provides clear communication, documented work, and a practical path forward. ### Timely Service & Repairs Diagnosis and repair for leaks, failed fixtures, drainage problems, pumps, valves, and other issues disrupting your building. View Timely Service & Repairs details ### Commercial Drain Cleaning Clearing slow, clogged and backed-up drains, with jetting or camera work when a line keeps failing. View Commercial Drain Cleaning details ### Preventive Maintenance Scheduled inspections and proactive service built around your plumbing assets, compliance dates, and uptime requirements. View Preventive Maintenance details ### Quoted Repairs & Upgrades Clear scopes and pricing for larger repairs, replacements, fixture upgrades, and facility improvement projects. View Quoted Repairs & Upgrades details ### Commercial Water Heaters Repair, replacement, and efficiency upgrades for tank, tankless, storage, and recirculating hot-water systems. View Commercial Water Heaters details ### Backflow Testing & Repair Annual testing, certification, repairs, and replacement submitted to the appropriate local water authority. View Backflow Testing & Repair details ### Commercial Leak Detection Acoustic leak locating and underslab line locating so repairs are targeted, then the leak is repaired by our crew. View Commercial Leak Detection details ### Retrofits & Repiping Plumbing modernization, fixture replacement, ADA upgrades, and phased repiping for existing occupied facilities. View Retrofits & Repiping details Preventive Maintenance ## Move from reactive repairs to planned plumbing care We build the scope around your assets — fixtures, water heaters, backflow assemblies, grease interceptors, sump pumps, and floor drains — then deliver a documented annual plan that protects the building and your budget. ### Documented compliance Test reports, certificates, and photo documentation submitted to AHJ and kept on file for inspections and audits. ### Priority scheduling Maintenance customers receive priority scheduling when an unplanned plumbing problem interrupts operations. ### One crew, multi-site Consistent technicians across your portfolio so they learn your buildings, valves, and shutoffs. ### Service history Documented findings, completed work, and recommendations give your team a clear record for every property. ## Scheduled Service for St. Louis Facilities When a failed fixture, water heater, backflow assembly, or plumbing line interrupts operations, your facility team needs one dependable number. We assess the problem, complete practical repairs, and provide a clear quote when replacement or larger project work is the better answer. - ✓ Service calls scheduled from 7am–4pm Mon–Fri (emergency calls answered 24/7 — nights & weekends billed at premium rates) - ✓ Crews credentialed for healthcare & education sites - ✓ Photo & write-up for every work order - ✓ Coordinated shutdowns with your operations team [Schedule a Service Call](https://legacyplumbingmo.com/contact-us) [636-978-0120](tel:+16369780120) AI-powered helper ## Describe Your Plumbing Problem Tell us what's happening and we'll point you to the right service and how soon it needs a plumber. Maintenance Planner ## What Should Your Maintenance Plan Cover? Building type Number of restrooms: 4 Water heaters: 1 ### Typical items for a office building - Inspect 4 restrooms: flush valves, faucets, carriers Catches running fixtures and leaks that waste water and damage finishes. - Flush and inspect 1 water heater Sediment removal extends heater life and prevents surprise no-hot-water calls. - Annual backflow test and report Required by your water authority — missed tests can mean shutoff notices. - Exercise shutoff valves and check PRVs Valves that turn when you need them keep a leak from becoming a flood. [Request a Custom Plan](https://legacyplumbingmo.com/request-service) ### Related Services - [Backflow Testing & Compliance](https://legacyplumbingmo.com/commercial/backflow-prevention) - [Medical Gas Service](https://legacyplumbingmo.com/services/medical-gas) - [All Commercial Plumbing Services](https://legacyplumbingmo.com/commercial-plumbing-services) ### Next Steps - [Request Service](https://legacyplumbingmo.com/request-service) - [View All Commercial Services](https://legacyplumbingmo.com/commercial) - [Request a Free Estimate](https://legacyplumbingmo.com/contact-us) ## Need a Facility Plumbing Partner in St. Louis? Maintenance plans, service accounts, and project work for facility managers across the St. Louis metro and a 2-hour radius. [Get Free Estimate](https://legacyplumbingmo.com/contact-us) [636-978-0120](tel:+16369780120) ## Related - [Contact Legacy Plumbing](https://legacyplumbingmo.com/contact-us) - [Company facts](https://legacyplumbingmo.com/company-facts) - [All pages (llms.txt)](https://legacyplumbingmo.com/llms.txt)