How much does well pump replacement cost?

Replacing a well pump runs about $1,000 to $4,000 installed, depending on whether it is a shallow jet pump or a deep submersible and how deep the well is. The pump itself is often $300 to $1,200; the rest is labor and the pull.

Can I replace a well pump myself?

A shallow-well jet pump, which sits above ground, is a reasonable DIY. A submersible pump in a deep well is heavy, awkward, and risky to pull without the right gear, and dropping it down the casing is a costly mistake. Most homeowners hire that out.

How do I know if my well pump is bad?

Signs include no water, sputtering or air in the lines, low pressure, or the pump short-cycling. But a failed pressure switch, waterlogged tank, or tripped breaker mimic these, so diagnose before buying a pump. Many no-water calls turn out to be the cheaper parts.

How long do well pumps last?

Submersible well pumps typically last about 8 to 15 years; jet pumps somewhat less. Lifespan depends on water quality, cycling, and how the pump was sized. A pump that short-cycles from a bad tank wears out far faster than it should.

Should I replace the pressure tank too?

If the tank is old or waterlogged, replacing it alongside the pump is smart, since a failing tank makes the pump short-cycle and wear out early. While the system is open and power is off is the cheapest time to do both at once.

UPDATED JUNE 2026

Well Pump Replacement Cost in Tennessee

Locally calibrated hire vs. DIY cost data for well pump replacement projects in Tennessee. Cited sources, permit requirements, and a full build guide, free.

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HIRE A PRO

$900–$3,600

Fully installed, labor + materials

DIY COST

$400–$1,600

Materials + rentals, your labor free

Hard

Complex project, structural or code-critical work involved.

Government Data · Government Data · Submitted Quotes (n=0)

How we got these numbers

National benchmark costs from RSMeans, Angi, Fixr, and HomeGuide are adjusted for Tennessee using two federal datasets: the Bureau of Economic Analysis Regional Price Parity (RPP) index and the Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics. Tennessee's RPP is 0.9 (national baseline = 100) and its BLS labor adjustment factor is 0.90. Higher RPP means goods and services cost more relative to the national average; the BLS factor scales contractor labor rates to local wage levels. We blend these two adjustments, weighted 40% RPP, 60% BLS labor, to produce the ranges shown above.

adjusted_cost = national_benchmark × (0.4 × RPP/100 + 0.6 × bls_labor_adj)

RPP(Tennessee) = 0.9 · BLS adj = 0.90

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What's included

Item	Qty	Unit Cost	Subtotal
Well pump	1	$600	$600
Pressure tank	1	$300	$300
Pressure switch and fittings	1 set	$80	$80
Wire and pipe (submersible)	1 set	$150	$150
Materials Total			$1,130

Tools you'll need

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TOOLS YOU PROBABLY OWN

Pipe wrenches and electrical tools
Voltage tester and multimeter

TOOLS TO RENT OR BUY

Well pump puller or hoist
Needed to lift a deep submersible pump

Build sequence

1
Diagnose whether the problem is the pump, pressure switch, tank, or wiring first.
COMMON MISTAKE
Replacing the pump when a cheap pressure switch or tank was the real fault.
2
Cut power at the breaker and confirm the circuit is dead.
3
Pull the old pump or service the failed component, supporting the weight safely.
COMMON MISTAKE
Dropping pipe or pump down the well casing turns a repair into a disaster.
4
Install the new pump, wire it correctly, and set the pressure switch.
5
Restore power, prime if needed, and confirm pressure and flow.

Permits and code requirements

PERMIT REQUIREMENTS

Permit rules for well pump replacement vary by city and county in Tennessee. Most structural, electrical, plumbing, or mechanical work needs a permit and an inspection. Confirm with your local building department, or see the Tennessee guide for specifics.

PERMIT THRESHOLD

Varies by municipality

Disclaimer: Always verify permit requirements with your local building department before starting work. Requirements vary by municipality and are updated periodically.

Frequently asked questions

NEXT STEPS

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UPDATED JUNE 2026