When plumbing goes down at a business, every hour costs money. Authority Plumbing & Drain provides commercial plumbing maintenance, repair, and installation for restaurants, retail, offices, and multi-unit properties across St. Charles and St. Louis. Licensed, bonded, and insured with 25+ years of commercial experience, and we get you running with minimal downtime.
Commercial plumbing repair & service
From a clogged commercial kitchen line to a failed water heater serving a whole building, we handle the urgent and the routine. Our licensed plumbers diagnose fast and fix it right, so a small problem doesn’t shut down your operation. We work around your hours where we can to keep disruption to customers and staff low.
Drain & sewer
Commercial drain cleaning, hydro-jetting, main-line clearing, grease trap service, and sewer line repair for high-use facilities.
Fixtures & equipment
Repair and replacement of commercial faucets, toilets, urinals, sinks, and water heaters, including tankless and high-demand systems.
Water & gas lines
Water line repair and replacement, gas line work, and pressure issues across the building.
Code corrections
Bring plumbing up to current commercial code for inspections, build-outs, and tenant changes.
Restaurants & food service
Grease traps, floor drains, prep-sink and dish lines, the systems that fail fastest under heavy use.
Multi-unit & retail
Plumbing service for offices, retail spaces, and multi-unit properties, from one unit to the whole building.
Commercial plumbing maintenance that prevents downtime
The cheapest commercial plumbing problem is the one that never happens. Scheduled maintenance covers drain and grease-trap service, water heater checks, fixture and valve inspection, and catching slow leaks early, which keeps small issues from becoming emergency shutdowns at the worst possible time.
- Scheduled service plans tailored to how hard your systems work
- Priority response for existing maintenance customers
- Documentation that supports inspections and code compliance
- One licensed contractor for repair, maintenance, and installation
Commercial plumbing questions
Can you work outside our business hours?
Where the job allows, yes. We schedule around your operation to minimize downtime for staff and customers.
Do you handle ongoing maintenance contracts?
Yes. We set up scheduled maintenance based on your facility’s usage, with priority response for contract customers.
What types of commercial properties do you serve?
Restaurants and food service, retail, offices, and multi-unit properties across St. Charles and St. Louis.
Are you licensed, bonded, and insured for commercial work?
Yes, with 25+ years of commercial plumbing experience and guaranteed work.
Keep your business running
Commercial plumbing maintenance, repair, and installation across St. Charles & St. Louis.
Call (314) 326-1160