Open 24/7 for emergencies
Drain cleaning for one fixture is $200 to $800 and toilet repair is $250 to $900, from our published price list.
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Plumbing in Philomont for houses on a well or on Loudoun Water: leaks, drains, water heaters and sewer lines, priced first.
5.0 stars across 1,132 reviews
Part of our plumbing team, with the drain machine, the sewer camera and the jetter they bring to the house.
Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceOften same-day, 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 list as our plumbing page, every line a range because the house decides where it lands. You get the number before the work starts.
Drain cleaning, one fixture
$200 to $800
Main sewer line cleaning
$550 to $1,650
Sewer camera inspection, added to a visit
$89
Leak detection
$200 to $500
Toilet repair
$250 to $900
Pressure reducing valve replacement
$500 to $1,000
Water heater replacement
$2,757 to $10,486
or $46/mo at 0% APR for 60 months
Monthly figures: 60mo @ 0% APR on each starting price, the whole price financed, on approved credit. Longer plans lower the payment and cost more in total. The lender sets the final terms. How financing works
A sewer camera inspection is $89 added to a visit we’re already making. It’s the cheapest way to know what a drain is doing before anybody talks about digging.
With Comfort+ membership, any service is 15% off, and a water heater flush with a sewer camera inspection and a plumbing safety inspection comes every year.
What’s different in Philomont
Western Loudoun leans on private wells. The county’s own brochure counts about a quarter of Loudoun residents on groundwater, mostly out west and up north. Philomont sits in western Loudoun, so the first plumbing question is where your water starts. Under Loudoun Water’s rules the regulator on a customer’s water line is the customer’s job end to end; swapping a worn one is $500 to $1,000. A well house takes its pressure from its own pump and tank instead, outside the utility’s reach.
Cold is the second question. Loudoun’s building code works from a 24 inch frost depth, the Purcellville station counts 114.7 days a year with lows at or below 32F, and Philomont logged a wind chill of -9F on December 24, 2022. Pipes along an outside wall, in a garage or out in an outbuilding are the ones ice splits. When water shows up where it should not, locating the leak runs $200 to $500, before anyone opens a wall.
Age sorts the pipe. The median owner home in the Purcellville ZIP area that holds Philomont dates to 2000, and about 48 percent of homes went up since then, so supply lines there skew to PEX or copper. About 24 percent date from before 1980, and about 13 percent from before 1960, where older supply pipe can call for a repipe at $1,000 to $12,000. Fixtures are simpler: one drain cleaned is $200 to $800, and a toilet repair is $250 to $900.
A well house usually loses running water when the power drops, since the pump runs on electricity. Snow-loaded trees and lines caused outages across Loudoun County in the February 2010 storm, and trees came down on wires at Snickersville Turnpike and JEB Stuart Road in June 2016. A water heater that fails in that kind of week is a tank installed at $2,757 to $7,494 or a tankless at $8,886 to $10,486, permit included.
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
Pressure comes from a regulator you own if Loudoun Water feeds the house, and from the pump and tank if a well does. Either way a swing deserves a trace, and the plumbing side starts with a gauge on a hose bib before anyone replaces a valve or a fixture.
A damp patch on a ceiling, a warm spot on the floor, a meter that keeps ticking with every tap off. A slow leak inside a wall does most of its damage before it ever shows itself.
One slow sink is a sink. Two slow drains on different floors are sharing the pipe out to the street, and a basement drain that gurgles while you run water upstairs is the main line talking.
Lukewarm showers, hot water that runs out halfway, banging or rumbling from the tank. Rumbling is sediment, and it’s the noise a water heater makes in its last couple of years.
After a heavy rain
Heavy rain finds the weak spots in a house’s plumbing. Four checks you can make yourself, then call us and we’ll look at the rest.
Clear water with no smell is usually groundwater. Gray water, or a sewer smell, means the main line is backing up: stop running water in the house and call us.
A main line with a cracked joint or roots in it can take in groundwater during a storm and slow down. A sewer camera inspection, $89 added to a visit, shows where.
If the house has one, watch it once: it should start as the pit fills, empty it and shut off. Our sump pump replacement page has the rest of the checks.
If floodwater got to a gas water heater’s burner or controls, leave it off. Don’t relight it until a plumber has checked it.
Call us after a storm and we’ll check it all: the floor drains, the main line, the sump pump and the water heater. Any repair gets its price in writing before the work starts.
Your pipes, your paperwork
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing a plumber
Questions worth asking anybody who comes out, us included.
Well or Loudoun Water for the supply; a sewer or a septic tank for the waste. Each changes who owns which pipe and who to phone. A quote given without those answers is a guess, and septic tanks themselves are not our work.
Anyone can check on the state’s license lookup in about a minute. It’s the one question that takes the guesswork out of the rest.
A sewer camera inspection is cheap next to any dig, and it shows whether the problem is a root, a sag or a break. A quote to dig without one is a guess.
Every plumbing job on our list has a range. A plumber who won’t say where yours lands until the wall’s open is asking for a blank check.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,132 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
You do. The utility’s rules leave the pressure regulator to the customer, so a worn one is yours to swap, $500 to $1,000 from our price list. A well house sits outside that rule.
If Loudoun Water’s sewer serves your house, the utility alone repairs the part under the street, and the building sewer is yours. A camera shows which side the trouble is on: $89 added to a visit, or $500 to $1,700 by itself.
It depends on the job, and every one has a published range: drain cleaning for one fixture $200 to $800, main sewer line cleaning $550 to $1,650, leak detection $200 to $500, a pressure reducing valve replacement $500 to $1,000, toilet repair $250 to $900. A sewer camera inspection added to a visit is $89.
Ready when you are
Call, or send the form at the top. You get the price before the work, and if it can wait, 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
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 1,132 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.