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Repiping Guide for Leesburg’s Older Homes

Repiping Guide for Leesburg’s Older Homes | Ajax Plumbing LLC
Ajax Plumbing LLCFront Royal, VAResidential Plumbing · Leesburg

Repiping Leesburg’s Older Homes: What to Expect

Historic district homes and mid-century subdivisions both carry plumbing that is past or near the end of its useful life. Here is when to repipe and what the process involves.

Leesburg has housing stock from several distinct eras. The King Street historic district has homes that predate indoor plumbing, retrofitted over the decades with pipe systems that may have been updated once or twice but are not new. The post-war subdivisions that filled in the area between the 1950s and early 1970s almost certainly have galvanized steel supply lines that are at or past their expected service life. The boom-era subdivisions of the 1980s and 1990s on the edges of town are reaching the point where original copper and early PVC systems warrant a close look.

A repipe is not a small job. It is also not a job to put off once the signs are there. A failing pipe system that is patched repeatedly costs more than a planned repipe. It also risks water damage to walls, floors, and ceilings that multiplies the total cost several times over.

Galvanized Steel: The Primary Problem in Pre-1980 Leesburg Homes

Galvanized steel supply pipe was the standard residential plumbing material from roughly the 1920s through the 1960s. It is a steel pipe coated with zinc to resist corrosion. The zinc coating works, but it is finite. After forty to sixty years of continuous water contact, the zinc is consumed, the steel underneath begins to oxidize, and rust particles enter the water supply. The pipe also develops interior buildup that restricts flow over time. A house that once had good water pressure throughout starts to struggle upstairs or at the ends of long runs.

If you buy a Leesburg historic district home that has not been repiped, assume the galvanized supply lines are past their service life unless you can document otherwise. The fix is complete replacement, not repair. You cannot clean galvanized pipe back to a functional condition once the zinc is gone. You replace it.

Signs That a Repipe Is Warranted

  • Low water pressure at multiple fixtures, especially if it has progressively worsened over several years
  • Brown or rust-colored water from any tap, especially first thing in the morning
  • Pinhole leaks in copper pipe, especially in a house built between 1970 and 1990 in this area
  • Multiple active leaks in the same time period, suggesting systemic corrosion
  • A home inspection report noting galvanized steel supply lines, original copper past 50 years, or polybutylene pipe (common in 1980s construction and known to fail)
  • Discolored or metallic-tasting water from the hot side specifically, which can indicate anode failure in the heater or galvanized lines feeding it

What a Repipe Involves

A full residential repipe replaces the supply lines throughout the house. In most cases we use PEX tubing, which is flexible, resists scale buildup, and does not corrode. PEX can be run through walls with smaller access openings than rigid copper, which means less wall repair on the back end of the job.

The process starts with cutting water to the house, removing the old supply lines section by section, and running new PEX from the main shutoff through the walls and under floors to every fixture. Drywall access is required at fixture locations and at any point where we need to route through a wall cavity. Most one-story homes with straightforward layouts take one to two days for the pipe work. Larger homes or those with unusual construction take longer. Wall patching and finishing is separate work, either by your general contractor or scheduled separately.

We do not patch and paint. That is not our scope. We repipe cleanly, leave the access cuts as tight as possible, and hand you a functioning supply system that will outlast the house. For more on residential plumbing work we do in Leesburg, see the Leesburg residential plumbing page.

Cost Range for a Leesburg Repipe

A repipe for a typical Leesburg single-family home runs between six thousand and fifteen thousand dollars depending on the size of the house, the accessibility of the walls, and whether drain lines are being replaced at the same time as supply lines. A smaller historic district rowhome with limited wall access on one side is at the low end of that range. A large 1970s colonial on a half-acre lot with original galvanized throughout is toward the upper end. We give you a straight number after we walk the house, not a range that doubles by the time the job is finished.

If you are in the middle of a renovation anyway, that is the best time to repipe. The walls are already open. The cost of a repipe during a renovation is substantially lower than a standalone repipe because you are not paying to open and close the walls. If you are planning a kitchen or bath remodel in a Leesburg home that still has galvanized lines, discuss a repipe during that scope at the planning stage. See also our plumbing remodeling page for Leesburg.

Frequently Asked Questions

How do I know if my Leesburg home has galvanized pipes?

Run a magnet along an exposed pipe in the basement, under the sink, or at any cleanout. Galvanized steel is magnetic. Copper is not. If the magnet sticks, you have galvanized. You can also look at the color: galvanized is a dull grey-silver, copper is orange-brown, PVC is white or cream, PEX is typically red, blue, or white flexible tubing.

Can I repipe just part of the house?

You can, and sometimes it makes sense. If one wing of the house has a known problem and the rest of the supply system has been updated at some point, a partial repipe is reasonable. We will tell you if a partial repipe actually solves the problem or if you will be back in three years for the rest. Partial jobs that leave failing pipe in place are not a good use of your money.

Does a repipe require permits in Loudoun County?

Yes. A full residential repipe requires a plumbing permit through Loudoun County Building and Development. We pull the permit and schedule the inspection. This is not optional and is not something we skip. Permitted work is documented and provides protection at resale.

How do I get a free quote on a repipe?

Call 540-671-5417 or use our contact page. We walk the house, give you a number, and you decide. No deposit required to get a quote.

Call 540-671-5417 or see our contact page. Project photos in our gallery.

Old Pipes in Leesburg? We Repipe Right.

Call 540-671-5417

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