Open 24/7 for emergencies
Plumbing in Round Hill, on Town water or a private well: drain cleaning on one fixture runs $200 to $800, toilet repair $250 to $900, priced first.
Get your price in writing
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Rather talk now? (703) 997-9757
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 Round Hill
The Town of Round Hill runs water and sewer to the town and about a dozen neighborhoods beyond it, but its side generally ends at your property line. The lines from there to the house were laid by your homebuilder and are yours to maintain, the Town’s handbook says; Miss Utility won’t mark them, and typical homeowners insurance won’t cover them. Before anyone digs up a line that keeps backing up, put a sewer camera down it; added to a visit, that’s $89.
The Town’s 2025 water report names one more thing that’s yours: the pressure reducing valve, usually close to the main shutoff. Loudoun County has required one on new water services for years; the report warns they wear and clog, showing up as weak flow, low pressure or no water. Replacing it runs $500 to $1,000. Two leaks on the Town’s own list are easy to miss: a water softener stuck rinsing to the drain, and a water heater relief valve piped into a drain, dripping unseen.
At the Purcellville weather station just east of town, NOAA’s normals count about 115 freezing nights a year, from late October into mid April. Loudoun’s building code puts frost depth at 24 inches, and a line buried deeper than that stays out of the freeze, so what freezes is above ground. Outside faucets go first, then pipes in an outside wall, over a garage or in a crawlspace. On January 23, 2025, an unofficial reading just southeast of town hit 5 below.
On May 5, 2025, the Blue Ridge Volunteer Fire Department reported water at least six inches deep over several roads 2.6 miles north of town, and several basements flooded. Torrential rain closed Main Street at Greenwood Drive in July 2017, and Scotland Heights Road went under in June 2013. A sump pump that ran nonstop in a storm like those and still lost ground is likely too small or too worn; replacing it is one flat price on our sump pump replacement page.
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
ZIP 20141 as a whole: every Round Hill address, the Town and the neighborhoods around it. The Census place for the Town alone has too few homes for steady figures.
What you’d notice
That’s the usual sign of a frostproof outside faucet that split over the winter: a hose left on trapped water in the long stem, it froze, and the break sits inside the wall, so it only leaks with the valve open. Close the shutoff for that faucet and have it replaced.
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.
Choosing a plumber
Questions worth asking anybody who comes out, us included.
Low flow at one faucet is usually that faucet. Low flow everywhere, or pressure that swings, points back to the valve where the line comes in. Ask the plumber to put a gauge on the system before replacing anything upstairs.
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.
Needed a new toilet installed and had a great experience with Swift Pros! Plumber was sent out next day! Quick response, professional and competitive pricing! Will definitely use them again for any future plumbing needs.
Where we work
Next door to Round Hill: Purcellville, Bluemont, Philomont, Hamilton and Middleburg.
Questions
Everything inside the house: the pipes past the pressure tank, the drains, the fixtures and the water heater. The well and its pump, and the septic system, belong to a well or septic company; we don’t work on those. Most of rural Loudoun runs on private wells and septic, per the county.
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 Round Hill 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.