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Philomont, Virginia

Sump pump replacement in Philomont.

Sump pump replacement in Philomont, a village bounded by creek tributaries, with flood records on the roads around it.

Sump pump replacement is $697 installed in your existing pit, with a new cast iron pump and a quiet check valve. A new or deeper pit, a battery backup, discharge line work outside and a dedicated circuit are extra, priced in writing before we start.

  • Cast iron pump, quiet check valve
  • Extras priced in writing first
  • Dedicated plumbing team
5.0 stars across 884 Google reviews
Two technicians from SwiftPro Heating, Cooling and Plumbing in a Northern Virginia basement mechanical room, beside the furnace and a gas water heater
Two of our technicians in a basement mechanical room, beside the furnace and a gas water heater.

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What’s different in Philomont

Philomont sump pumps: creek tributaries north and south, and storm outages.

The 2023 NRHP nomination puts Philomont in the center of the Loudoun Valley, among rolling hills and abundant waterways, with a Butcher’s Branch tributary to the north and a Beaverdam Creek tributary to the south. The stream gauge at Mountville, about a mile south-southeast, reached flood stage on May 16, 2014, and flooding closed Snickersville Turnpike near Hibbs Bridge Road on September 28 and December 15, 2018. That does not prove one basement is wet, but it shows what a wet year looks like here.

Pumps wear out faster than houses do. The median owner home in ZIP 20132, the Purcellville ZIP area Philomont sits in, dates to 2000, and about 48 percent of homes went up since then, so a pump that came with the house has had a long run. About 24 percent of homes there predate 1980. In those, a pit may be older than its pump and worth a look when the pump comes out.

The pump runs on household power, and storms take the power. Snow-loaded trees and lines caused outages across Loudoun County in the February 2010 storm, and trees came down, some on wires, at Snickersville Turnpike and JEB Stuart Road in June 2016. The $697 price assumes the pit you already have. Four add-ons sit beside it: a dedicated circuit, a battery backup, discharge work outdoors and a pit that is new or deeper. Take the battery with it and the pair, installed together, comes to $3,200.

The discharge line has its own winter. Lows at the Purcellville station reach 32F or colder on 114.7 days a year, and Loudoun’s building code works from a 24 inch frost depth. A line laid shallower than that, or pitched so water sits in it, is likelier to ice shut, and a pump pushing into ice finds nowhere to go. Line work outdoors is quoted in writing before a shovel goes in.

Before and after of a SwiftPro sump pump replacement in a Northern Virginia basement, the failed pump beside the new discharge riser and quiet check valve
By the numbers

Philomont houses, by the numbers

From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.

Philomont

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.

  • Median home built2000 Census
  • Built before 1980about 2 in 10 Census
  • Built since 2000about 5 in 10 Census
  • Most homes aresingle-family houses, about 8 in 10 Census
  • Heated withelectricity, about 4 in 10 Census
  • Rentedabout 1 in 10 Census
  • In a house built since 2000, the pump in the pit may still be the original, and an original is due.
What it costs

What sump pump replacement costs in Philomont.

The same price as our sump pump replacement page: one flat number for a new pump in a pit that’s still sound, with what costs extra named right beside it.

  • Sump pump replacement, installed in your existing pit$697
  • Sump pump and battery backup, installed together$3,200
  • A new or deeper pit, discharge line work outside, or a dedicated circuitPriced in writing before we start

$697 covers a new cast iron pump, a quiet check valve, new PVC up to your existing discharge line, a battery water alarm by the pit, the old pump hauled away and a bucket test before we leave.

A battery backup keeps pumping through a power outage, and the outage usually comes with the storm. With a new pump, the pair is $3,200 installed. The sump pump estimator helps you decide whether you need one.

When it’s time

When a sump pump in Philomont needs replacing.

The pit keeps filling and the pump hums on

A pump that runs and runs while the water climbs is failing, clogged at the check valve, or facing a discharge line that cannot take the flow. The Purcellville station averages 43.78 inches of precipitation a year, and a pump that struggles in one wet week is not ready for a wet season.

It’s past seven years old

Zoeller, who make a lot of the pumps around here, puts a sump pump’s life at seven to ten years. Past seven, replace it on your schedule instead of the storm’s.

It starts, stops, then starts again

Water is running back into the pit through a check valve that no longer closes, so the pump moves the same water again and again until it wears out.

After a heavy rain

After a storm in Philomont, check the sump pump.

Six checks you can make yourself once the rain lets up, none of them with your hands in the pit. Then call us and we’ll check it all.

  1. Does the pump kick on?

    Watch the pit during the rain or right after. The pump should start as the water rises, empty the pit and shut off. A full pit, or a pump that hums and moves nothing, isn’t keeping up.

  2. Is there water where it shouldn’t be?

    Walk the basement: the corners, the walls, the floor by the pit, under the water heater and the furnace. Photograph any wet spot before you mop, so we can see where it came in.

  3. Is the discharge line clear?

    Outside, find where the pump’s pipe ends. It should be open, not crushed, buried or full of leaves, and aimed away from the house so the water doesn’t run back to the foundation.

  4. Does the check valve hold?

    Listen when the pump shuts off. Water rushing back into the pit means the check valve isn’t closing, and the pump has to move that water again.

  5. Did the power go out?

    The pump stops when the power does, often at the height of the storm. If the basement took water during an outage, that’s the job a battery backup does.

  6. Water near an outlet? Stay out.

    If water is standing near the pit, an outlet or anything plugged in, don’t wade in to check. Call us, and only switch the power off at the panel from somewhere dry.

Not sure what you saw? Call us after a storm and we’ll check it all: the pump, the float, the check valve, the discharge line and where the water came in. If the pump can’t keep up, a new one is $697 installed in your existing pit; a new or deeper pit, a battery backup, discharge line work outside and a dedicated circuit are extra, priced in writing before we start.

Choosing who replaces it

How to pick the best plumber for a sump pump in Philomont.

Questions to ask anybody who quotes you, us included.

  1. Will they trace the discharge line to where it ends?

    A pump that pushes into a kinked, iced or too shallow line has fixed little. Ask whether the plumber follows the line outside and tells you what it needs, and whether work out there is priced in writing before anyone digs.

  2. Is the price for the whole job?

    Ask what the number covers: the pump, the check valve, the pipe, hauling the old one off, a test before they leave. Then ask what costs extra, and get it in writing.

  3. What’s the new pump made of?

    Cast iron, ideally. Plastic pumps cost less and are usually the ones that quit early. Ask before the old one comes out.

  4. Do they look at where the water goes?

    A discharge line that’s cracked, buried or frozen shut every January leaves the new pump pushing against a closed pipe. Whoever replaces it should check the outside end too.

From our Google reviews

What our customers say.

★★★★★
Tech was super knowledgeable, polite, communicative, and kind. I highly recommend this great company who prioritized my request to review my sump pump and other related needs
Joseph M.Google review, July 2026

5.0 stars across 884 Google reviews. Read them on our reviews page.

Questions

Sump pump questions from Philomont.

If the power drops in a storm, does the new pump keep going?

Not by itself, since it needs household power. Add a battery backup: the pump and battery together are $3,200. The pump-only price, $697, covers the pit you have now, and a new or deeper pit, outside discharge work, the battery and a dedicated circuit each cost extra.

Does the new pump come with a water alarm?

Yes, a water alarm comes with it. It gives you notice when the water in the pit climbs where it should not, so you hear about trouble before you see it. That early warning matters most when the pit sits out of sight.

How much does sump pump replacement cost in Philomont?

$697 installed in your existing pit: a new cast iron pump, a quiet check valve, new PVC to your discharge line, a battery water alarm, the old pump hauled away and a bucket test. A new or deeper pit, discharge line work outside, a battery backup and a dedicated circuit are extra, priced in writing before we start. A new pump and a battery backup installed together are $3,200.

Can I check my sump pump myself?

Yes. Pour five gallons of water into the pit. The float should rise, the pump should start within a few seconds, and it should shut off clean once the water’s down. If you hear water rushing back into the pit after it stops, that’s the check valve.

A new pump before the next storm.

Call, or book online and pick a window. Often same-day, and we will tell you honestly when we can get there.

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 884 Google reviews. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.

SwiftPro Heating, Cooling & Plumbing, 4230 Lafayette Center Dr, Suite N, Chantilly, VA 20151, (703) 997-9757. Book online, read our reviews, or see every town we serve.

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