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Best Plumber in Old Monroe, MO — 24/7 Emergency Plumbing & Water Heater Repair

When you search “plumber near me” in Old Monroe, MO, you want a plumber open now, priced fairly and done right the first time. MGA Plumbing delivers 24/7 emergency plumbing and same-day service across Old Monroe and the surrounding St. Louis Metro communities.

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Your Local Old Monroe Plumbing Company

Plumbing problems rarely wait for business hours. That's why MGA Plumbing keeps 24/7 emergency plumbers on call for Old Monroe and nearby St. Louis, O'Fallon and St. Charles. Nights, weekends and holidays are never extra.

Searching for a plumber open now in Old Monroe? Our dispatch team answers around the clock and sends the closest available Old Monroe plumber straight to your door — usually within the hour for emergencies.

Emergency Plumber Old Monroe — Open Now

Plumber open now in Old Monroe? Yes. Our 24 hour plumbers respond to burst pipes, sewer backups, water leaks, gas leaks, frozen pipes and no-hot-water calls around the clock with no overtime charges.

Emergency? Call (888) 480-9811

Plumbing Services in Old Monroe, Missouri

Every service below has a dedicated Old Monroe page with local details, pricing information and reviews.

Emergency Plumber in Old Monroe

24/7 emergency plumbing for burst pipes, floods, backups and no-water situations.

24 Hour Plumber in Old Monroe

Round-the-clock plumbers available nights, weekends and holidays.

Burst Pipe Repair in Old Monroe

Fast burst and cracked pipe repair to stop flooding and water damage.

Water Leak Repair in Old Monroe

Find and fix hidden and visible water leaks before they ruin your home.

Frozen Pipe Repair in Old Monroe

Safe thawing and repair of frozen and freeze-damaged pipes every Missouri winter.

Gas Leak Repair in Old Monroe

Emergency gas leak detection and repair for homes and businesses.

Drain Cleaning in Old Monroe

Professional drain cleaning for kitchen, bathroom, laundry and floor drains.

Clogged Drain Repair in Old Monroe

Stubborn clog removal with cables, augers and hydro jetting — no harsh chemicals.

Hydro Jetting in Old Monroe

High-pressure water jetting that scours grease, roots and scale from pipes.

Sewer Line Repair in Old Monroe

Diagnosis and repair of cracked, collapsed, root-invaded and offset sewer lines.

Sewer Line Replacement in Old Monroe

Full sewer line replacement using trenchless or open-trench methods.

Trenchless Sewer Repair in Old Monroe

No-dig pipe lining and pipe bursting that saves your lawn and driveway.

Sewer Camera Inspection in Old Monroe

Video pipe inspection that shows exactly what's wrong before you pay for repairs.

Sewer Backup in Old Monroe

Emergency sewer backup clearing and cleanup to protect your home and health.

Water Heater Repair in Old Monroe

Same-day repair for gas, electric and tankless water heaters of every brand.

Water Heater Replacement in Old Monroe

Fast, clean water heater replacement with removal and haul-away of the old unit.

Water Heater Installation in Old Monroe

Professional installation of tank and tankless water heaters, sized for your home.

Tankless Water Heater Installation in Old Monroe

Endless hot water and lower bills with properly sized tankless systems.

No Hot Water Repair in Old Monroe

Fast diagnosis when the hot water stops — elements, thermostats, gas valves and more.

Leak Detection in Old Monroe

Electronic and acoustic leak detection that finds hidden leaks without tearing up your home.

Pipe Leak Repair in Old Monroe

Repair of leaking copper, PEX, galvanized and PVC pipes anywhere in the home.

Water Line Repair in Old Monroe

Main water line repair and replacement from the meter to your home.

Slab Leak Detection in Old Monroe

Locate and repair leaks under concrete slabs with minimal demolition.

Repiping in Old Monroe

Whole house repipe with PEX or copper to end chronic leaks and bad water.

Toilet Repair in Old Monroe

Repair of running, leaking, clogged and overflowing toilets.

Toilet Replacement in Old Monroe

Installation of new water-saving, comfort-height and ADA toilets.

Faucet Repair & Installation in Old Monroe

Fix drips and leaks or install new kitchen, bath and outdoor faucets.

Garbage Disposal Repair & Installation in Old Monroe

Repair jammed or leaking disposals, or install a new quiet, powerful unit.

Shower Repair in Old Monroe

Repair of leaking shower valves, low pressure, drips and clogged shower drains.

Sump Pump Repair & Installation in Old Monroe

Keep your basement dry with sump pump repair, replacement and battery backups.

Water Softener Installation in Old Monroe

Whole-home water softeners and filtration for Missouri's hard water.

Backflow Testing in Old Monroe

Annual backflow preventer testing, certification and repair.

Gas Line Repair & Installation in Old Monroe

Safe gas line installation for ranges, dryers, grills, fireplaces and generators.

Plumbing Inspection in Old Monroe

Whole-home plumbing inspections for buyers, sellers and preventive maintenance.

Commercial Plumbing in Old Monroe

Commercial plumbers for restaurants, offices, retail, multifamily and industrial sites.

Residential Plumbing in Old Monroe

Complete home plumbing repair, replacement and installation services.

Why Old Monroe Chooses MGA Plumbing

Workmanship guarantee

If it isn't right, we make it right.

Same-day service

Most Old Monroe calls are handled the same day you call.

Local Old Monroe plumbers

We know Old Monroe's homes, soil, water and codes.

Fully stocked trucks

Most repairs are completed in a single visit.

Upfront pricing

Flat-rate quotes approved by you before work begins.

Respect for your home

Shoe covers, drop cloths and a thorough clean-up every time.

Old Monroe Plumber Reviews

Here's why we're rated the top plumber in Old Monroe by local homeowners and businesses.

★★★★★

“We run a restaurant in Old Monroe and can't afford downtime. MGA Plumbing is our go-to for grease traps, drains and water heaters. Always fast.”

— Chris N., Old Monroe, MO
★★★★★

“Called at 10pm with water pouring through the kitchen ceiling. The plumber was at our Old Monroe house in under an hour, shut it off, and had the pipe fixed before midnight. Price was exactly what they quoted.”

— Angela W., Old Monroe, MO
★★★★★

“Our water heater died on a Sunday. They had a new one installed that afternoon and hauled the old one away. Fantastic service.”

— Lauren G., Old Monroe, MO

Serving Old Monroe and Nearby Towns

Our plumbers cover all of Old Monroe and surrounding communities in the St. Louis Metro area, including:

See all 936 Missouri cities →

Old Monroe, MO Service Area Map

Old Monroe Plumbing FAQ

How fast can a plumber get to my home in Old Monroe?

For emergencies we dispatch the closest available Old Monroe plumber immediately — often within the hour. Standard appointments are usually available the same day. Call (888) 480-9811.

Is MGA Plumbing the best rated plumber in Old Monroe?

Our Old Monroe customers consistently rate us 5 stars for speed, honesty and quality. Read the reviews on this page and give us a call to experience it yourself.

Are you a local plumber in Old Monroe?

Yes. MGA Plumbing plumbers live and work in the St. Louis Metro area and serve Old Monroe plus nearby St. Louis, O'Fallon and St. Charles.

Do you charge extra for nights, weekends or holidays in Old Monroe?

No. MGA Plumbing charges the same flat rates 24/7. You'll approve the exact price before any work begins.

What plumbing services do you offer in Old Monroe, MO?

Everything: emergency plumbing, drain cleaning, hydro jetting, sewer line repair and replacement, water heater repair and installation, tankless water heaters, leak detection, slab leaks, repiping, toilet and faucet repair, garbage disposals, sump pumps, water softeners, backflow testing, gas lines, plumbing inspections and commercial plumbing.

Plumbing Tips for Old Monroe Homeowners

Toilet Keeps Running? 5 Causes and How to Fix It

A running toilet can waste 200 gallons a day. Here's how to find the cause and when to call a plumber.

Water Dripping From the Ceiling: What to Do Right Now

A ceiling leak means water is pooling above. Here's how to limit damage and find the source fast.

Plumbing Emergency? What to Do Before the Plumber Arrives

The steps you take in the first five minutes can save thousands in water damage.

Call the Best Plumber in Old Monroe Now

Same day plumber · Affordable plumber · 24/7 emergency service in Old Monroe, MO

Call (888) 480-9811
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