In Leesburg, a hidden leak usually shows up as a higher Town utility bill, a meter that turns with everything off, or damp ground between the meter box and the house. A plumber can isolate the system in sections to find it. Call the number on this page to be connected with a local plumber in Leesburg.

What happens when you call
Your call goes to an independent plumber who works in and around Leesburg. Expect a few questions: when the bill started rising, whether the meter moves with all fixtures off, where you have seen stains or heard running water, and whether the house has irrigation. On site, most leak searches follow the same order. The plumber confirms the leak at the meter, closes the house valve to see whether the loss is outside or inside, then splits the inside into hot and cold and narrows it down with listening gear, moisture readings or thermal imaging.
Cost factors
- Time spent isolating the leak, which grows with the size and layout of the house
- Access: unfinished basement, finished drywall, tile, or a yard line under a driveway
- Equipment such as acoustic detectors, infrared cameras and test gauges
- The repair itself and whether any permit work is involved
Leesburg specifics
The Town of Leesburg runs its own water and sewer utility, separate from Loudoun Water, and treats Potomac River water at the Kenneth B. Rollins Water Filtration Plant. The Town maintains the lines in the street up to and including the meter. The supply line from the meter box to the house is the owner's, so a leak in that stretch is a private repair. The Town also serves some customers outside its corporate limits, and its service area map shows which addresses are on Town water.
The median home was built in 1993, though the historic downtown holds far older buildings. Town water typically runs 100 to 150 ppm hardness, about 5.8 to 8.8 grains per gallon, shifting with rainfall. If you have irrigation, the backflow preventer must be tested every year by a certified tester, with results filed with the Town by June 1.
Utilities questions go to 703-771-2750 on weekdays; after hours, the Town routes emergencies through the Leesburg Police non-emergency line at 703-771-4500. Building permits in town come from Loudoun County Building and Development after a Town zoning permit.
Before the plumber arrives
- Locate the meter box and the main shutoff inside
- Pull up your last few bills to show the change in usage
- Clear access to the water heater, under-sink cabinets and any basement ceiling panels
- Turn the irrigation controller off so it doesn't skew a meter test
Leak Detection questions in Leesburg
Who is responsible for a leak between the meter and the house?
Who do I call about water coming up near the meter or in the street?
How can I find out what my service line is made of?
Could the lawn irrigation system be where the water is going?
More plumbing services in Leesburg
Leak Detection nearby
Helpful guides
Sources
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