Homeowners and businesses across Washington, MO rely on MGA Plumbing for dependable slab leak detection. We're open 24 hours a day, 7 days a week, so help is always one call away. Upfront pricing, no overtime fees and a satisfaction guarantee on every job.
Watch for warm floor spots, a running water sound, cracked tile and a water heater that never shuts off.
Slab leaks occur when water lines under a concrete foundation corrode or shift. Left alone they can undermine the slab itself. We locate the leak electronically, then repair by spot access, rerouting the line overhead or — when warranted — repiping.
Whether you're near downtown Washington or on the edge of town, MGA Plumbing charges the same fair flat rate for slab leak detection anywhere in Washington. No trip charges, no overtime fees, no surprises.
Noticing any of these in your Washington home or business? Serving every neighborhood in Washington and the St. Louis Metro area.
Tell us what's happening. Our dispatchers are available 24/7 and will send the closest Washington plumber.
We call when we're on the way and show up in a fully stocked truck ready to work.
We find the real cause — not just the symptom — and explain your options in plain language.
You approve the exact price before we start. No hourly surprises, no overtime fees.
Quality parts, careful workmanship and a job finished right the first time.
We leave your home clean and back every job with our workmanship guarantee.
Homes, restaurants, offices, multifamily and retail.
Most repairs are completed in a single visit.
Shoe covers, drop cloths and a thorough clean-up every time.
If it isn't right, we make it right.
“Needed slab leak detection fast and MGA Plumbing delivered. The plumber explained every step, worked clean and the price was fair. Best plumber in Washington as far as I'm concerned.”
“Had three other companies tell me I needed a new sewer line. MGA Plumbing ran a camera, found a root ball, jetted it out and saved me thousands.”
Every job is different, so we diagnose first and give you a firm flat-rate price before any work starts. Most Washington customers find our slab leak detection pricing lower than the big franchises — and there are never overtime fees.
Absolutely. All slab leak detection performed by MGA Plumbing in Washington is backed by our workmanship guarantee.
We provide slab leak detection in Washington and surrounding communities including St. Louis, O'Fallon, St. Charles and St. Peters.
Yes — we provide slab leak detection for restaurants, offices, retail stores, apartment buildings and industrial sites across Washington.
We also provide slab leak detection in these nearby communities:
Same-day service · Upfront pricing · 24/7 emergency response
Call (888) 480-9811