Well Pump Replacement in Chesterfield, VA

Sometimes the pump itself is the part that's done. This page is about replacing a well pump in Chesterfield County: the signs that point to a new pump rather than another repair, what happens on replacement day for a submersible or a jet pump, how the new one should be chosen, the Virginia rules on permits and disinfection, and the national prices published for the job.

Signs the pump, not a part, is finished

Replacement usually comes up once the cheaper suspects have been ruled out. The switch, tank, breaker and control box test fine, and the motor still won't run, or runs without moving water. Other signs push the same way:

• Age. The national guides put a pump's life at roughly 8 to 15 years (HomeServe), 14 on average (American Home Shield) or about 15 (HomeAdvisor and Bob Vila).
• A string of repairs. If the same pump keeps needing service calls, add up what they've cost and compare that with a replacement price.
• Storm damage to the motor. Lightning can hit deep-well submersibles hard enough to make repair costly, according to an insurer's July 2026 risk guide.
• The pump is already out of the well. Once the contractor has paid for the pull, putting a worn pump back down can mean paying for that labor again later.

Not sure the pump is the problem yet? Start with well pump repair, which walks through the parts tested first.

Replacement day

A submersible in a drilled well

The power is shut off and the well cap comes off. The old pump is lifted out with its drop pipe and wire, usually with a hoist, and the new one is assembled, wired and lowered back in. While everything is out of the hole, the contractor can look over the pipe, the wire and the pitless adapter, the fitting where the water line exits the casing underground. Then the wellhead is sealed and the system is started up and checked for pressure.

Because the work reaches inside the casing, Virginia requires the well to be disinfected afterward (12VAC5-630-410). The disinfection rule (12VAC5-630-430) gives two options: hold a 100 mg/L chlorine solution in the well for 24 hours, or get at least 100 mg/L throughout the well and reach 1,000 "contact units," figured as concentration times hours. Its examples are 50 mg/L for 20 hours and 200 mg/L for 5 hours. Ask which method the contractor uses and when you can use the water again.

A jet pump above ground

A jet pump sits in the basement, crawlspace or well house, so swapping it doesn't involve pulling anything from the well. If the line down to the water is the trouble rather than the pump, the job can include the foot valve, which HomeAdvisor prices at $150 to $300.

Choosing the new pump

The old pump's label is a starting point, not the answer. The right pump depends on how deep the well is, where the water sits in it, how much the well can deliver and how much water the household uses, and any of those may have changed since the last pump went in. Ask the contractor what they based their choice on.

Well paperwork helps. VDH says the local health department keeps well records and can help you get a copy; for a Chesterfield well, that's the Chesterfield Health District at 9501 Lucy Corr Circle. If any well paperwork came with the house when you bought it, have it out when the contractor arrives.

Pump types and what each costs

The published ranges below are national. They separate the price of the pump alone from the price of a finished installation, and the difference covers labor and the rest of the job.

For the whole job, HomeAdvisor's replacement page gives a $1,899 average with a typical range of $975 to $2,824, and labor of $250 to $1,000. This Old House (updated March 5, 2026) says replacement typically runs $900 to $2,500, with the pump itself $200 to $500 before installation. Bob Vila's 2023 figures average $1,785. A constant-pressure system, which uses a controller to vary the pump's speed and keep pressure even, sits well above a plain swap. The contractor's written quote for your well is the number that matters.

Tank and switch at the same time?

There is no rule that says they have to go together, but it's worth asking about while the contractor is on site. A tank that has lost its air makes any pump, new or old, start more often than it should. In homes on hard or iron-rich water, which is more likely where the well draws from the sedimentary rock of western Chesterfield, Virginia Cooperative Extension notes that iron and manganese build up inside pressure tanks. HomeAdvisor's 2022 guide lists a pressure switch at $120 to $180 installed. Its tank figures don't agree across pages: about $500 to $1,000 in the repair guide, $800 to $3,800 on the replacement page.

Permits, and the floodplain exception

A VDH construction permit covers building, altering, deepening or abandoning a well, and 12VAC5-630-220 states that a pump replacement isn't an alteration. On the building-code side, Section 108.2 of the Uniform Statewide Building Code (13VAC5-63-80) exempts "Replacement of plumbing fixtures and well pumps" in every use group, as long as the water supply and distribution systems aren't altered.

There is one twist worth knowing. The same section lets the building official require a permit for otherwise exempt work located in a special flood hazard area. Separately, Virginia's well setback rules require the top of a well to sit at least 18 inches above the annual flood level. If your lot is near a creek or river and mapped in a flood zone, ask Chesterfield Building Inspection (804-751-4990) before the job. For a new pressure tank, switch or circuit, which that exemption doesn't name, the county's page on residential exempt work says to call 804-748-1057 if in doubt.

When a new pump isn't the answer

• The well itself can't keep up. Penn State Extension's drought guidance says lowering a pump in a failing well usually helps only in the short term, and that lasting fixes mean deepening the well or drilling a new one. See drought and dry wells.
• You're moving to county water. Chesterfield's backflow manual says a well can't be interconnected with the county's water system. And in Virginia's regulations, a well whose pump has been disconnected for any reason other than repair or replacement counts as an abandoned well, which brings its own rules. See well rules.

Replacement questions

Do I need a permit to replace my well pump in Chesterfield?

Not from VDH, and a straight pump swap is exempt from a building permit under the state code. The exceptions to watch are a property in a special flood hazard area and any work beyond the pump, such as a new tank, switch or circuit. Ask Building Inspection about those.

Should the new pump be bigger than the old one?

Not automatically. A bigger pump can't pull more water than the well gives. The choice should come from the well's depth, water level and yield and from your household's use, so ask how the contractor sized it.

When can we use the water after the swap?

That depends on the disinfection method; one option in the rules holds the chlorine in the well for 24 hours. Ask the contractor when and how to flush the chlorine out. VDH leaves water testing to homeowners and suggests once a year, and a test after the well has been opened up is reasonable.

Will a new pump fix a well that keeps running low?

Only if the old pump was the problem. If the water level in the well is the issue, Penn State Extension describes lowering the pump as a short-term measure and deepening or a new well as the longer-term options.

What should the written quote list?

The pump make and model, any wire, pipe or fittings being replaced, labor, the service call, disinfection, the warranty on parts and labor, and whether a permit is expected and who will pull it.

How this site helps

Send a request or call and you'll be put in touch with one independent local well and pump contractor, who looks at the well and quotes the replacement themselves; the referral costs you nothing.

Related pages

• Well pump repair
• Pressure tanks and switches
• Well pump cost
• Well rules and permits
• Who fixes well pumps

Sources

• Virginia private well regulations: 12VAC5-630-220, -10, -380, -410, -430
• Uniform Statewide Building Code, 13VAC5-63-80
• Chesterfield County, residential project requirements, Building Inspection, and the cross-connection and backflow prevention manual (5th ed., Nov. 2024)
• VDH, real estate transfer FAQ (well records) and private well water
• Penn State Extension, Managing Your Well During a Drought, 2005; Virginia Cooperative Extension, 442-656, 2020
• Glatfelter Public Entities, Submersible Pump Lightning Damage, July 31, 2026
• HomeAdvisor, replace a well pump (undated, titled 2025) and repair a well pump (Oct. 17, 2022); This Old House, well pump cost (Mar. 5, 2026); HomeServe, well pump cost guide (Oct. 28, 2026); American Home Shield, cost to replace a well pump (Feb. 6, 2026); Bob Vila, well pump cost (Apr. 28, 2023)