For Carrboro homes on OWASA water, a slab leak is a failure in the owner's private water piping beneath a concrete floor, and the fix can be anything from one small opening in the slab to new pipe run overhead. A plumber tests the lines, marks the leak and helps you choose. Call the number on this page to be connected with a local plumber in Carrboro.
What's under Carrboro's floors
Carrboro's housing is mostly from the 1970s through the 2000s, with a large 1980s share. Census survey figures put the median home at 1988 and about 29% before 1980, plus the historic mill houses downtown around Shelton Street. That makes many homes old enough for buried copper to start wearing, yet young enough that a single leak may be an isolated failure rather than a sign the whole run is done.
Water and sewer come from the Orange Water and Sewer Authority. OWASA calls the pipe that connects a home to its distribution system the customer's private service line, so repairs on the house side belong to the owner. The utility disinfects with chloramines for most of the year, with a short switch to chlorine in spring, and its service line inventory found no lead water lines.
Permits go through the Town of Carrboro Inspections Division and its PIPER portal, which requires a permit to repair any building service system. Check the Town's GIS tool first, because addresses near the edges may fall under Chapel Hill or Orange County instead.
Choosing a repair
| Spot repair | Reroute | Repipe | |
|---|---|---|---|
| Concrete opened | One small section | None, or very little | Usually none |
| Best for | A single leak in sound pipe | An old run or a repeat leak | Widespread aging pipe |
| Disruption | Flooring at the leak | Wall and ceiling patches | Several rooms over a few days |
Signs of a hidden leak
- The meter's leak indicator keeps turning with all water off
- Warmth underfoot in one part of a tiled or concrete floor
- Damp carpet or swollen baseboards with no fixture nearby
- Mildew odor in a room that was dry before
- A water heater that seems to run constantly
- Cracks in tile or grout that appear without any obvious cause
Timing notes
In the older mill houses, which tend to be raised off the ground, check any rear addition or enclosed porch first, since that is where concrete and buried pipe are most likely. Book the locate before you plan any flooring work: replacing tile first and then finding the leak means paying twice. If the meter is moving fast or water is showing, close the main valve and use water only when needed until the plumber arrives.
Slab Leak Repair questions in Carrboro
Can a house with a crawl space still have a slab leak?
Who is responsible for a leak on the line between the meter and the house?
The water bill jumped but nothing looks wet. Could it be a slab leak?
How does a plumber pinpoint a leak under concrete?
More plumbing services in Carrboro
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