“I had a slab leak that another company couldn't locate. Terry Nelson Plumbing came through and repaired it, leaving the area clean and dry. I highly recommend their services!”
Carlos V.Ostrander
VerifiedFast Underground Water Line Leak Detection in Delaware, carried out by certified local crews who know Delaware County. Underground leaks can cause significant damage and costly repairs if not addressed promptly. Our team is equipped with the latest technology to identify leaks quickly and will provide a flat-rate written quote before any work starts.
Licensed · Upfront options · Clean work areas · Written guarantees
These are our most frequently served ZIP codes. Nearby areas may also qualify—call if you do not see yours.
Kilbourne · Ostrander · Radnor · Powell · Sunbury · Ashley · Galena · Magnetic Springs · Waldo · Dublin · New California · Prospect
“I had a slab leak that another company couldn't locate. Terry Nelson Plumbing came through and repaired it, leaving the area clean and dry. I highly recommend their services!”
Carlos V.Ostrander
Verified“The crawl space leak detection was done very professionally by Terry Nelson Plumbing. They even provided a warranty, which reassured me.”
Kevin L.Ostrander
Verified“I regained peace of mind after Terry Nelson Plumbing conducted thorough underground water line leak detection. Great job!”
Tony G.Delaware
VerifiedA real dispatcher is available if your question is not answered here.
Call +18667598259 →Most Delaware calls are scheduled the same day, with 24/7 emergency response across Delaware County.
We quote a flat rate up front - typically in the range shown below - and you approve it before we begin.
Call now for fast, licensed leak detection anywhere in Delaware and Delaware County.