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A new water heater installed with the permit runs $2,757 to $5,493 for an electric tank, $3,379 to $5,485 for gas or propane and $8,886 to $10,486 for tankless.
Price range
$2,757-$5,493
8yrs @ 7.99%
$39/mo
15yrs @ 9.99%
$30/mo
Monthly figures on the starting price, the whole price financed, on approved credit. The lender sets the final terms. How financing works
Get your price in writing
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Water heaters in Nokesville, 20181, electric or propane, tank or tankless, set up for well water and priced from our book with the expansion tank included. The water heater estimator gives your exact number.
5.0 stars across 1,132 reviews
Two of our plumbers wheeling a new water heater up a Northern Virginia walkway, the van at the curb.
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
Installed, from our water heater estimator, which is the price book. Everything is in the number: the permit and the inspection, the expansion tank, the drain pan, hauling the old one away, and the labor.
Electric tank, installed
$2,757 to $5,493
or $46/mo at 0% APR for 60 months
Gas or propane tank, installed
$3,379 to $5,485
or $56/mo at 0% APR for 60 months
Power vent tank, installed
$5,957 to $7,494
or $99/mo at 0% APR for 60 months
Tankless, installed
$8,886 to $10,486
or $148/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
How the house vents picks the row; where you land inside it is the tank size and the warranty. A hybrid heat pump water heater is quoted at the visit, never from a page.
Keeping the one you have? A yearly water heater flush slows the sediment down: $99 right now, normally $199. A tankless descale is $300, regularly $350. Or get the flush every year with Comfort+ membership, $199 a year, along with a dryer vent cleaning, a sewer camera inspection and heating and cooling maintenance visits.
What’s different in Nokesville
In the village about seven in ten owner homes heat with electricity, and an all-electric house nearly always has an electric water heater: two elements, a thermostat for each, no flue. That’s the $2,757 to $5,493 row. About two in ten heat with propane, and a propane tank goes on the same row as natural gas, $3,379 to $5,485 installed on the flue you already have.
The bigger difference is the water. With no Prince William Water main in the village, it comes up from a private well carrying whatever the rock puts in it. Western Prince William sits on the Culpeper Basin, the USGS’s maps of that basin take in the Nokesville area, and its county well study found sulfate highest there. Sulfate is what a standard magnesium anode rod turns into a rotten egg smell on the hot side, while the cold smells fine. A different anode usually ends it.
A well also means no meter at the street and no utility pressure. A pump fills a pressure tank, a switch turns the pump on and off, and a check valve keeps water from running back down the well. That closes the system, so the water has no room to grow as it heats, which is why the expansion tank comes with every replacement we price here.
In the old part of the village, close to four in ten homes went up before 1960. In a house that age the water heater has often moved at least once, into a cellar corner or a utility room off the kitchen, at the end of a run of pipe that’s part galvanized. The tech checks the shutoff and the first few feet of pipe before pricing the swap, because a valve that won’t close turns a replacement into a plumbing job.
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
ZIP 20181 as a whole: every Nokesville address, the village included.
The Census Bureau’s Nokesville place: the village and the land right around it.
What you’d notice
If only the hot side smells, it’s the anode reacting with sulfate in the well water, not the well going bad. A different anode rod usually fixes it. If the cold water smells too, get the well tested before anything else.
An electric tank has two elements. When one fails the water still warms, just never all the way; it’s a common, fixable part.
A drip from a valve can be fixed. Water from the tank itself can’t; once the lining goes, the only fix is a new heater, and sooner beats later.
If the basement took water
A water heater usually sits on the lowest floor of the house, so it’s one of the first things standing water reaches. Three checks, then call us.
Leave it off and don’t relight it. The warning label on a gas water heater says not to use it if any part has been under water, and to have a service technician replace the gas control.
Shut its breaker off at the panel, but only from somewhere dry. The elements and the thermostats get checked before it heats again.
Mop it up and look again in an hour. Water that comes back with no rain is the tank or a valve, not the storm.
Call us after a storm and we’ll check it: the gas control or the elements, the burner, the venting and the drain pan. If it has to be replaced, you get the price in writing before anything comes out.
Permits and pressure
Prince William County requires a permit to replace a gas or propane furnace or a gas appliance such as a water heater, even like for like. Replacing an electric water heater with one the same size in the same spot needs no permit. Source.
A burst tank doesn’t wait on paperwork: under Virginia’s building code the replacement can start first, as long as the permit application reaches Prince William County by the end of the next working day. Source.
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing who installs it
Questions worth asking anybody who quotes you, us included.
In Nokesville you almost certainly are, and it changes what fails: sulfate smells, sediment from the well, and an anode that wears faster on softened water. A quote written as if the house were on city water skips the questions that matter.
A gas water heater always needs a permit, an electric one often does, and skipping it tends to surface when the house sells. Ask whether the quote includes it and the inspection.
Most houses here have a check valve or a pressure reducer on the incoming line, so the heated water has nowhere to go. An expansion tank gives it somewhere, and leaving it out is how quotes come in low.
A thermocouple, an element or a valve is a repair, not a new heater. A good plumber says so, and saves the replacement talk for a leaking tank.
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.
Moises and Oscar responded quickly to our need for a new water heater. They came through with a quick and a professional install at a reasonable price. I trust Tyler, Moises, and the team at SwiftPro with my hvac and plumbing needs.
Questions
No. Propane and natural gas tanks share a row in our price book, $3,379 to $5,485 installed on the flue you have. What propane adds is paperwork: Prince William County treats it as a gas appliance, so the swap takes a permit. And if the propane tank in the yard ran dry, a refill and a relight come before anyone calls the heater dead.
Yes, after a hardness test. A tankless heater pushes water through a narrow heat exchanger, and hard well water scales it up. Prince William Water’s lab tests private wells for hardness, and with the number in hand we can say whether it needs a softener ahead of it. A propane tankless also takes a County gas permit and a venting check. Installed, a tankless runs $8,886 to $10,486.
Installed, with the permit, the expansion tank, the pan and the haul-away: an electric tank $2,757 to $5,493, a gas or propane tank on the flue you have $3,379 to $5,485, a power vent tank $5,957 to $7,494, and a tankless unit $8,886 to $10,486. The estimator gives your exact number in about a minute.
Ready when you are
Call, or send the form at the top. The age on the label and what it’s doing tell us most of what we need, and you get the price before anything comes out.
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 Nokesville 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.