Open 24/7 for emergencies
For pipe repair, a plumbing diagnosis visit in Catharpin is $49, or $250 after hours, and a person answers (703) 997-9757 day or night.
SwiftPro’s plumbers in Catharpin are rated 5.0 stars across 1,130 reviews and work under Virginia Class A contractor license 2705192276. Leaking or burst pipe at a Catharpin home on a well or on county water? We find the leak, fix it and name the price before we 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 Catharpin
Catharpin has no main street to speak of. It’s long roads and detached houses on large lots, and that changes where water gets lost. A pipe run to a detached garage, a guest cottage or a hydrant by the barn is long, buried or lightly covered, and nobody walks past it. Those are the lines that split in a hard freeze and leak for days before anyone sees a wet patch.
A good share of homes out here pump their own water. On a well there is no meter and no utility to call. Everything from the pressure tank into the house is yours, and the most exposed stretch is the pipe between the wellhead and the tank, often in a pump house or a crawl space. When the water stops at every tap at once, we start there, not at a faucet.
The houses come from three eras. A fifth or so are from before 1960, and some of those still have galvanized steel in a wall or a crawl space, patched with copper where an addition was built. Others went up in the 1980s and 90s, when polybutylene was common. The newest, from 2000 on, are PEX or copper and leak at fittings.
The country is open, and it gets cold fast. The late January 2026 Arctic outbreak brought Extreme Cold Warnings and wind chills of 0 to -10 degrees across the Piedmont, and Catharpin sits well west of the I-95 corridor. A garage ceiling, an unheated mudroom and a well house are the places we check after a night like that.
What you’d notice
If the pump kicks on and off every few seconds, or runs and runs while the pressure never builds, water is leaking somewhere between the tank and the house. A cracked line in a crawl space can also run for days before anything shows up inside.
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 Catharpin?
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
Prince William Water requires its own Lateral Repair or Replacement Permit, and its inspection, before anyone repairs or replaces a sewer lateral outside the house. Source.
Prince William Water says the pressure reducing valve is the homeowner’s to install and keep up, that the plumbing code recommends one where pressure runs 80 psi or more, and that pressure rises with the height difference between your house and the water tank serving it. Source.
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.
The first call on a rural house tells us everything: no meter, so the meter test doesn’t work, and a pressure tank gauge reading and a walk to the well house take its place. A plumber who skips that is guessing.
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.
The issue was with a leak in the toilet tank that technician repaired . He did a good job.
Where we work
Next door to Catharpin: Gainesville, Haymarket, Centreville, Chantilly and Bristow.
Questions
The line that feeds it probably froze, and may have split. Don’t turn the water back on at the house until someone has looked, because a split pipe thawed under pressure sprays. Shut the main, let it thaw slowly, and call us at (703) 997-9757 if you see a drip.
On a well there’s no water bill to tell you. A wet spot between the house and the well, or along the line to a barn or garage, is the clue. We can find a hidden leak, $200 to $500, before anyone digs, so the trench is one spot, not a guess.
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 Catharpin 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.