Well Drilling Cost in St. Louis (2026): Average Price & Estimate

Well Drilling Cost in St. Louis

Estimated well drilling cost in St. Louis

$4,800–$14,400

Roughly about 4% below the national average.

An affordable labor market keeps prices near or below average.

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Scope

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Based on St. Louis, MO pricing.

Estimated cost range

$4,800–$14,400

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An estimate for planning, not a quote. Get written quotes from local pros below.

Estimate, not a quote. Local prices vary by contractor and project. These are 2026 estimates for St. Louis, MO. Get written quotes from licensed St. Louis contractors before you budget.

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What to know about well drilling in St. Louis

Frost heave and freeze-thaw in St. Louis can stress foundations, so good drainage and proper footing depth matter for a lasting result.

What affects well drilling cost in St. Louis

Beyond the local market, the same factors that drive well drilling cost everywhere apply in St. Louis:

Well depth and local geology.
Per-foot drilling rate and casing.
Pump, pressure tank, and wiring.
Plumbing to the house and permits.

Well Drilling cost by well depth in St. Louis

These figures are adjusted for St. Louis pricing (about 0.96x the national average), so they reflect what local homeowners actually pay.

Estimated well drilling cost by well depth in St. Louis (2026)

Well depth	Typical cost in St. Louis	Notes
Shallow (under 100 ft)	$2,900 to $8,650	installed
Average (100 to 300 ft)	$4,800 to $14,400	The baseline.
Deep (300 to 500 ft)	$7,700 to $23,000	installed
Very deep (500 ft+)	$10,600 to $31,700	installed

Frequently asked questions

How much does well drilling cost in St. Louis?

In St. Louis, MO, well drilling typically costs $4,800 to $14,400 in 2026 for a standard project, about 4% below the national average. Your exact price depends on size, materials, and scope.

Why does well drilling cost more or less in St. Louis?

An affordable labor market keeps prices near or below average. Labor rates, permit costs, and local demand are the main reasons St. Louis prices differ from the national average.

Do I need a permit for well drilling in St. Louis?

Most well drilling projects require a permit. Requirements vary by city and Missouri jurisdiction, so confirm with your local building department. A licensed contractor usually pulls the permit for you.

When is the best time of year for well drilling in St. Louis?

In St. Louis, exterior work is easiest from late spring through early fall. Winter weather can delay roofing, siding, concrete, and foundation jobs, and some crews book up fast once the weather breaks.

Is well drilling cheaper outside St. Louis?

Sometimes. St. Louis runs about 4% below the national average. Nearby smaller towns with lower labor costs can come in cheaper, while denser urban areas often cost more. Always compare quotes from contractors who serve your specific area.