🎖️ Military & First Responder Discount — 10% Off  |  Call or Text Brian: (314) 620-4809
Franklin County · St. Clair, MO 63077

Plumber in St. Clair, MO

St. Clair homeowners deserve a plumber who picks up the phone and shows up when they say they will. That's what Posey Family Plumbing delivers. Five-star rated. Owner answers every call.

📞 Call or Text (314) 620-4809
⭐ 5.0-star Google rating from 143 local customers
📞 Owner Answers Every Call
🏠 Family-Owned & Operated
🎖️ Military & First Responder Discount

Common Plumbing Issues in St. Clair, MO

Every community has its own plumbing challenges. Here's what we see most often in St. Clair and what to watch for in your home.

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Franklin County Water Hardness

St. Clair draws on the same regional water supply as the rest of southeast Franklin County, leaving scale buildup in water heaters and fixture aerators.

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1843 Stagecoach-Era Plumbing Age

St. Clair was founded in 1843 as a stagecoach stop, and homes near its historic Main Street — home to the town's famous Hot and Cold water towers — often still run on decades-old original plumbing.

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Tree Root Intrusion

Mature trees throughout St. Clair's older neighborhoods send roots into aging clay and cast iron sewer lines.

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Crawl Space Pipe Freeze

Rural and older St. Clair homes with uninsulated crawl spaces are vulnerable to pipe freeze during Missouri cold snaps.

Plumbing Services in St. Clair, MO

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 — From a failing gas or electric unit to a full replacement, St. Clair homeowners get honest repair-or-replace advice up front. See our water heater repair & replacement page for pricing, timelines, and sizing.

Drain Cleaning — Clogged sinks, tubs, and backed-up main lines are among our most frequent St. Clair calls. See our drain cleaning page for what's involved.

Water Treatment — Franklin County homes often deal with hard water and mineral buildup. We install and service water softeners and purification systems to protect your plumbing. See our water treatment page.

Water Pressure & PRVs — High or low pressure both stress a home's plumbing over time. We test, adjust, and replace pressure-reducing valves for St. Clair homeowners. See our water pressure & PRV page.

Toilets, Fixtures & General Plumbing Repairs — Running toilets, leaky faucets, fixture installs, and everyday repairs make up the rest of a typical St. Clair service call.

🚿 Drain Cleaning 🔥 Water Heater Install & Repair 💧 Water Softener & Purification 🚰 Water Pressure & PRV 🔧 Fixture Install & Repair 🛡️ Winterizing & Protection 🔩 Pipe Install & Repair 🔍 Leak Detection & Repair 🧪 Free Water Testing 🔎 $295 Inspection + Sewer Camera

See full service details →

The Posey Difference

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Owner Answers Every Call

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.

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Flat Job-Based Pricing

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.

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One-Year Warranty

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.

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Military & First Responder Discount

We offer 10% off to all active and veteran military and first responders serving St. Clair and Franklin County. A small thank you for your service.

Need a Plumber in St. Clair?

Call or text Brian directly — no forms, no waiting, no runaround.

📞 (314) 620-4809

Or text that number · Brian@poseyfamilyplumbing.com

📞 Call or Text Brian — (314) 620-4809