Austell runs its own water system, but many addresses with an Austell mailing address in unincorporated south Cobb are on Cobb County Water System instead. Either way, a leak in the supply line under your slab is a plumbing repair. Call the number on this page to be connected with a local plumber in Austell.

Austell is a small south Cobb city that began as a healing-springs settlement and grew as a railroad town. The city water system serves about 3,300 customers, buying water from the Cobb County-Marietta Water Authority. Census survey figures via Point2Homes put the median home at 1993, with about 41% built before 1980, so older copper under slabs is common in the original city.
Do this first
- Turn off all water use in and around the house.
- Check the meter for movement.
- Test toilets and outdoor spigots.
- Look for warm or damp floor areas.
- Close the main if water is pooling.
- Check your bill: City of Austell Water Division or Cobb County Water System, for any problem at the meter.
Symptom table
| Symptom | Likely cause |
|---|---|
| Warm floor in a ground-level room | Hot line leaking under the slab |
| Meter turning, nothing wet | Cold line leak under the house or yard |
| Musty odor along a wall | Slow leak soaking materials |
| Cracking floor tile | Moisture and movement from below |
| Higher water bill | Hidden leak or running toilet |
What affects cost
- Locating time
- Spot repair or a reroute of older copper
- Flooring over the leak
- Water damage
- A city plumbing permit
Austell requires a plumbing permit to install, alter or replace plumbing or water heating equipment, applied for through its online portal. The fact sheet doesn't state the city's service line split, so call the Water Division about anything at the meter.
Older Austell homes
With about four in ten Austell homes built before 1980, many slab leaks here involve original copper that has worn where it touches concrete or gravel. Once one section fails, nearby pipe of the same age may follow. A plumber can pressure test the rest of the buried supply to help you decide between a single repair and a reroute through walls or the attic. Austell also has a history of flooding near Sweetwater Creek; if your home has taken on water before, mention it, since past flooding can leave damp flooring that confuses the search. Clear access to the water heater and main shutoff before the visit to save time.
Slab Leak Repair questions in Austell
How do I find out which utility supplies my water?
Is a permit needed for slab leak work here?
Does the age of my home change the odds of a slab leak?
How does a plumber find a leak under concrete?
More plumbing services in Austell
Slab Leak Repair nearby
Sources
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