Open 24/7 for emergencies
Drain cleaning for one fixture is $200 to $800 in Triangle, and a sewer camera inspection added to a visit is $89, both priced before work starts.
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 Triangle
The National Weather Service keeps a gauge on Little Creek where it passes under Route 1 in Triangle, and its notes say what high water does: at 7 feet, a building along Fuller Heights Road near Fuller Road starts taking water, and by 10.5 feet, minor flood stage, the Fuller Heights and Fuller Road intersection holds three feet. NOAA logged Route 1 flooded and closed near Locust Shade Park on July 6, 2017, and a car underwater at Route 1 and Fuller Road on June 2, 2018.
Rain backs up plenty of basement drains, rarely because of the street. Prince William Water says its main lines back up fewer than 10 times a year across almost 1,200 miles of sewer main, so water rising through your floor drain after a storm usually means trouble in your own line. Its test: ask the neighbors. If they’re backing up too, the trouble is likely the utility’s main, and its Emergency Dispatch takes it. If it’s only you, it’s us, and main sewer line cleaning runs $550 to $1,650.
Not every Triangle lot drains to that sewer. Prince William County’s septic map lists 146 parcels carrying Triangle addresses: 42 on Joplin Road, 18 on Johnson Road, 17 on Williams Road, and a handful on Forestburg and Liming Lanes. On those lots, the tank and the drainfield are a septic company’s work, not ours. The pipes, fixtures and water heater inside the house are.
Freezing is the winter risk. The Quantico air station, 3.8 miles away, averages close to 76 nights a year at 32 or lower, and late January 2026 sent wind chills to 10 below for days. Prince William Water’s list: drain the outside spigots before a freeze, leave a cold faucet dripping when the forecast hits the teens, and if a pipe freezes anyway, open the nearest cold faucet and thaw it with warm, wet towels, never a torch or a hair dryer. A split pipe is ours; leak detection runs $200 to $500.
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
What you’d notice
A hose left on through a hard freeze can split a frost-proof spigot back inside the wall, and nothing shows until the first time you water the garden, when the water goes into the wall instead of the hose. Shut it off inside and call.
Galvanized steel supply pipe rusts from the inside, so the pressure falls slowly until a shower upstairs is a trickle. The fix is new pipe, not a new faucet.
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.
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
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 a plumber
Questions worth asking anybody who comes out, us included.
Prince William Water asks every household to find and mark its main shut-off: usually in the basement where the line comes in, or in a concrete box near the street. A plumber already at the house can show you and test that it closes. A valve that won’t turn is worth replacing before the night you need it.
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.
SwiftPro delivered and installed a 75 gallon AO Smith water heater. Zabi was very professional in his communication, plumbing, testing, and cleanup. Good crew to move new heater to basement utility room and take out the old heater.
Where we work
Next door to Triangle: Quantico, Dumfries, Woodbridge, Stafford and Lorton.
Questions
No. We don’t pump, repair or replace septic tanks or drainfields. Inside a house on septic, the drains, fixtures, water lines and water heater are ours, the same as on any sewer street.
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 Triangle 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.