O'Fallon homeowners deserve a plumber who treats their home with the same care he'd give his own. Posey Family Plumbing is licensed in Saint Charles County. Five-star rated. Owner answers every call.
📞 Call or Text (314) 620-4809Every community has its own plumbing challenges. Here's what we see most often in O'Fallon and what to watch for in your home.
O'Fallon has been one of the fastest-growing cities in Missouri since the 1990s, and most homes here — from WingHaven to the newest subdivisions along Highway K — are relatively young, meaning original builder-grade water heaters and fixtures are now hitting the end of their typical lifespan.
O'Fallon draws on the St. Charles County regional water supply, which carries enough mineral hardness to cause scale buildup in water heaters and fixtures over time.
Many O'Fallon subdivisions built in the 1990s and 2000s are now old enough that original faucets, water heaters, and shutoff valves are due for upgrade.
As O'Fallon's planted trees mature in neighborhoods like WingHaven and the Streets of Caledonia, root intrusion into sewer lines is becoming more common than it once was.
From a leaky faucet to a full water heater replacement — every job handled with the same care and attention to detail.
Water Heater Repair & Replacement — Whether it's a failing gas or electric unit or a full replacement, we size, install, and warranty every water heater we put in a O'Fallon home. See our water heater repair & replacement page for pricing, timelines, and what's involved.
Drain Cleaning — Slow drains, clogged tubs, and backed-up main lines are common calls throughout O'Fallon. Details on our drain cleaning page.
Water Treatment — Hard water affects plumbing throughout Saint Charles County. We install and service water softeners and purification systems to protect pipes, fixtures, and appliances in O'Fallon homes. See our water treatment page.
Water Pressure & PRVs — Too much or too little pressure both cause problems over time. We test, adjust, and replace pressure-reducing valves throughout O'Fallon. More on our water pressure & PRV page.
Toilets, Fixtures & General Plumbing Repairs — Running toilets, leaky faucets, and everyday repairs round out most O'Fallon service calls, plus fixture installs and general plumbing repairs throughout the home.
When you call Posey Family Plumbing you get Brian — the owner and master plumber. Not a dispatcher, not a receptionist. The person doing the work picks up the phone.
We charge by the job, not the hour. We tell you the price upfront before we start. Whether it takes 15 minutes or 4 hours, your cost is the same as quoted.
We stand behind our work with a one-year warranty on all labor. If something we did isn't right, we come back and make it right — no hassle.
We offer 10% off to all active and veteran military and first responders serving O'Fallon and Saint Charles County. A small thank you for your service.
Call or text Brian directly — no forms, no waiting, no runaround.
📞 (314) 620-4809Or text that number · Brian@poseyfamilyplumbing.com