Open 24/7 for emergencies
For pipe repair, a plumbing diagnosis visit in Philomont is $49, or $250 after hours, and a person answers (703) 997-9757 day or night.
SwiftPro’s plumbers in Philomont are rated 5.0 stars across 1,130 reviews and work under Virginia Class A contractor license 2705192276. Leaking or burst pipe in Philomont? We find the leak, fix the pipe and tell you the price in writing before anything gets cut. Finding a hidden leak is $200 to $500, and most water pipe repairs run $450 to $650, from our published price list.
5.0 stars across 1,130 reviews
Part of our plumbing team, with the tools they bring to find a leak and fix the pipe.
Get your price in writing
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Rather talk now? (703) 997-9757
Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceWe answer day or night, and we will tell you honestly when we can get there.
Our own plumbers, our own trucksNobody here is a subcontractor with a magnet on the door
The price is settled before the workYou see the number in writing before anything is taken apart
What it costs
The same numbers as our pipe repair page, each a range because the house decides where it lands. You hear the number before the work starts.
Plumbing diagnosis visit
$49
Plumbing diagnosis visit, after hours
$250
Leak located (hidden or behind a wall)
$200 to $500
Water pipe repair, one section replaced
$450 to $650
Drywall opened for the repair
Priced in writing before we cut
Prices checked .
Most repairs are one section of pipe: the split or pinhole cut out and a new piece put in. Where the pipe sits decides most of the price. Exposed in a basement ceiling is the low end; inside a finished wall is higher, and we tell you before the drywall comes open.
With Comfort+ membership, any repair is 15% off, and every year includes a plumbing safety inspection that looks at the supply pipe you can see.
What’s different in Philomont
Philomont has no water bill, so there’s no spike on a statement to tip you off. A leak out here shows up as a pump that never rests, a pressure tank that cycles, or a patch of lawn that stays green in August. Start with the pressure tank. Shut every tap, watch the gauge, and if it drops while nothing is running, water is going somewhere between the tank and the fixtures.
The line that matters most is the buried one. On a lot out here the well can sit a long way from the house, and the pipe between them runs underground for the whole distance. Loudoun builds to 24 inches of frost depth. Older runs are often shallower, and one that crosses a driveway or a drainage swale at a shallow depth is the usual place for a split. Wells in this area reach a median 400 feet down into bedrock, so the pump is not going anywhere. The pipe above it is the part that gives out.
Then there are the things people forget they own. A barn, a workshop, a detached garage or a horse trough often has its own branch line, and a yard hydrant that doesn’t drain fully will crack a pipe below the ground in a hard freeze. Nobody walks that line in January. We trace those branches too, because a leak at the far end can drain the tank and make the whole house look like it has a pump problem.
Roughly half the owner homes in the area went up after 2000, and those usually have PEX or copper inside. About a quarter predate 1980, and the oldest of them often still have galvanized steel or early copper somewhere. In many houses here propane does the heating, and the water heater and its fittings sit in the same room, so we check the connections there before opening a wall.
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
Philomont’s own ZIP, 20131, is post office boxes only, so the Census Bureau maps no area for it. These are ZIP 20132 as a whole, the Purcellville ZIP area Philomont sits in, the Town of Purcellville included.
What you’d notice
If the pump runs when nobody’s using water, close the main inside the house and listen. If the pump quiets down, the leak is in the house plumbing. If it keeps running, the trouble is outside, on the buried line or a branch to a barn.
A brown ring under a bathroom, or a soft spot in the drywall, is water that’s been finding its way down for a while. A supply pipe leaks all the time; a drain only leaks when somebody runs water upstairs, and that difference tells us where to look first.
Turn everything off and watch the water meter for ten minutes. If the dial or the little leak indicator still moves, water is going somewhere, inside a wall, under a slab or out in the yard.
A bill that’s a third higher with nobody new in the house is often a running toilet, and sometimes a pipe. The meter test above sorts out which in a few minutes.
Need pipe leak repair in Philomont?
A person answers day and night. See this month’s deals before you call.
Before the first hard freeze
A pipe usually bursts in the hours after a cold snap, when the ice inside it thaws and the split starts to run. Five things to do before it gets that cold, then call us if something already looks wrong.
Disconnect every garden hose. A hose left on traps water in the spigot, and that’s the most common split we see. If the spigot has a shutoff inside the house, close it and open the outside tap to drain it.
A kitchen or bathroom sink on an outside wall gets the coldest air in the house. On the coldest nights, open the cabinet doors so room heat reaches the pipes, and let that tap drip.
Close crawl space vents and the garage door for the winter. Pipes that run through a crawl space, a garage ceiling or an unheated room over the garage are the ones that freeze first.
Find it now, before you need it: usually where the water line comes through the basement or crawl space wall, near the meter or the water heater. Make sure it turns. When a pipe bursts, that valve is the difference between a mop and a contractor.
Keep the thermostat at 55 or higher while you’re gone, and ask someone to look in if a cold snap comes. A frozen pipe that thaws with nobody home runs for days.
Find a pipe that’s frozen, or water where it shouldn’t be? Shut the main off and call us at (703) 997-9757. A diagnosis visit is $49, or $250 after hours, and you get the repair price before we cut into anything.
Your pipes, your paperwork
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing who fixes it
Questions worth asking anybody who comes out, us included.
Ask how. A leak locator and a pressure test narrow a long run down to a few feet. A plumber who starts with a backhoe is guessing, and you pay for the guess.
Anyone can check on the state’s license lookup. Ours is Virginia Class A contractor license, on every van.
A good leak call starts at the meter and the shutoffs, then narrows it down with pressure and moisture readings. The drywall comes open in one spot, not five.
Every repair on our list has a range, and you hear where yours lands before anything is cut. If someone won’t say until the job is done, keep looking.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,130 reviews. Read them on our reviews page.
We had Tyson out for our main line leaking underground, he explained the scope of work for replacement and set great expectations. They had the job done in a very timely manner and I couldn’t ask for more professionalism than he provided!
Where we work
Next door to Philomont: Middleburg, Round Hill, Bluemont, Purcellville and Hamilton.
Questions
Shut the main inside and watch. A pump that stops is telling you the leak is in the house. A pump that still runs, or a tank that keeps losing pressure with the house closed off, points to the buried line or a branch. We sort that out first, before anything gets replaced.
Yes, a little. A hydrant is meant to drain below frost depth when you shut it. A drip or a puddle at the base means it isn’t, and in a hard freeze the pipe under it can split. We can replace the hydrant or the stretch under it before winter.
Shut off the main water valve, then turn off the water heater (gas to pilot, or the breaker for electric). Open a faucet at the lowest point of the house to drain what’s left in the pipes. Then call (703) 997-9757: a person answers day or night, and our emergency plumbing team is on 24/7.
A plumbing diagnosis visit is $49, or $250 after hours. Finding a leak you can’t see is $200 to $500, and most water pipe repairs run $450 to $650. You get the number before we start.
Ready when you are
Shut off the main, then call, or send the form at the top. You get the price before the work, and if it can wait until morning, we’ll tell you that too.
SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
SwiftPro Plumber & Water Heaters
4200 Lafayette Center Dr, Suite N, Chantilly, VA 20151
Virginia Class A contractor license #2705192276
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Philomont and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 1,130 reviews on Google, Angi, Yelp, the BBB and Facebook. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
From SwiftPro Heating, Cooling & Plumbing in Chantilly. Housing figures are the Census Bureau’s American Community Survey, 2020 to 2024, for each place named; permit, water and sewer facts link to each office’s own page and were checked in September and October 2026.