Great Falls homes are mostly on large lots, and many rely on private wells while some neighborhoods are on Fairfax Water. A repipe replaces the supply lines inside the house either way, usually after repeated leaks or corrosion in copper from the 1970s and 1980s; the median home dates to 1985. Call the number on this page to be connected with a local plumber in Great Falls.
What happens when you call
The number on this page connects you with an independent local plumber who serves Great Falls. Expect questions about how the house gets its water, when it was built and where the leaks have been. On a well property, the plumber will want to see the pressure tank and the equipment around it, since that is where the household supply begins. On Fairfax Water, the starting point is the meter and the main shutoff. From there, you'll get an explanation of whether a targeted repair, a partial repipe or a whole-house job makes sense, and how the new lines would be routed in a large home with several bathrooms.
What shapes the cost
- Size of the house and the number of bathrooms, wet bars and outdoor faucets
- Long runs to wings, additions or detached spaces
- PEX, copper or a combination
- Work around well equipment such as the pressure tank and any treatment system
- Replacing the buried line from the meter on Fairfax Water homes
- Finished basements and ceilings to open and patch
Great Falls conditions
Great Falls is partly rural, with large lots near the Potomac, Great Falls Park and Riverbend Park. The Great Falls Citizens Association notes that many homes rely on private wells and that some neighborhoods are served by Fairfax Water. Many homes are also not on public sewer and use private onsite wastewater systems, which doesn't change the supply-side repipe but does matter if drain work is added to the job.
On well homes, the citizens association recommends testing the water every year and sooner if smell, taste or appearance changes. If you're repiping, it's a good moment to review any treatment equipment, since water chemistry affects how fittings and fixtures age. On Fairfax Water homes, the utility owns the meter and its setting, and the homeowner owns all pipe on the property, including the line from the meter to the house. Fairfax Water's Potomac plant results average about 7.5 grains per gallon of hardness.
Fairfax County Land Development Services issues residential plumbing permits for Great Falls through the PLUS system.
Before the plumber arrives
- Know whether you're on a well or Fairfax Water
- Have recent well water test results on hand if you have them
- Find the main shutoff and the pressure tank or meter
- List where and when leaks have happened
- Note outbuildings, pools or irrigation tied into the house supply
Repiping questions in Great Falls
What changes on a home with a private well?
Should the buried line from the meter be replaced along with the indoor pipe?
Does a whole-house repipe need a permit here?
How long does a whole-house repipe usually take?
More plumbing services in Great Falls
Repiping nearby
Sources
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