Whether this is a straightforward job or a difficult one depends on how your house is built, and Awendaw has both kinds.
Raised homes are the easy case
Many rural properties here sit on piers or blocks with the pipework underneath in open air. There is no concrete to break and nothing to guess at — a leak is often visible, reachable and repaired in a single visit.
Slab-built homes
Newer construction on slab needs listening equipment and thermal imaging to pinpoint a leak before anything is opened, so it is one deliberate opening rather than a search.
Manufactured homes
These have their own arrangement, with lines running in a belly board beneath the floor. Leaks there soak insulation and can go unnoticed for a long time. It is a different job from either a slab or a raised house, and worth saying which you have when you call.
On a well, listen to the pump
Without a water meter, the pump switching on when nobody is using water is your best early warning that something is leaking.