“After another company couldn't find the issue, Terry Nelson Plumbing handled my slab leak detection and repair expertly, restoring peace of mind.”
Mike D.Montclair
VerifiedReliable Commercial Leak Detection in Pomona, handled by certified local crews who know Los Angeles County. If your business is facing unexpected water expenses, our team provides comprehensive leak detection services tailored for commercial properties. We ensure a upfront written quote before starting any work, keeping you informed throughout the process.
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.
Montclair · La Verne · San Dimas · Diamond Bar · Claremont · Walnut · Charter Oak · Upland · Covina · Chino · Glendora · Chino Hills
Montclair · San Dimas · La Verne · Diamond Bar · Claremont · All California cities
“After another company couldn't find the issue, Terry Nelson Plumbing handled my slab leak detection and repair expertly, restoring peace of mind.”
Mike D.Montclair
Verified“Terry Nelson Plumbing did a fantastic job with a water service line leak repair at my home in Pomona. Their team was professional and thorough.”
Priya R.Pomona
Verified“I had an urgent water meter leak detection issue and Terry Nelson Plumbing arrived within the hour, finding the leak quickly and fixing it on the spot.”
James R.Pomona
VerifiedA real dispatcher is available if your question is not answered here.
Call +18667598259 →Most Pomona calls are scheduled the same day, with 24/7 emergency response across Los Angeles 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 Pomona and Los Angeles County.