Well Drilling Cost in Seattle (2026): Average Price & Estimate

Well Drilling Cost in Seattle

Estimated well drilling cost in Seattle

$6,600–$19,800

Roughly about 32% above the national average.

High labor rates and wet-climate detailing raise costs.

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Based on Seattle, WA pricing.

Estimated cost range

$6,600–$19,800

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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 Seattle, WA. Get written quotes from licensed Seattle contractors before you budget.

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What to know about well drilling in Seattle

Soil movement around Seattle is usually modest, but local soil type still drives the right approach.

What affects well drilling cost in Seattle

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

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 Seattle

These figures are adjusted for Seattle pricing (about 1.32x the national average), so they reflect what local homeowners actually pay.

Estimated well drilling cost by well depth in Seattle (2026)

Well depth	Typical cost in Seattle	Notes
Shallow (under 100 ft)	$3,950 to $11,900	installed
Average (100 to 300 ft)	$6,600 to $19,800	The baseline.
Deep (300 to 500 ft)	$10,600 to $31,700	installed
Very deep (500 ft+)	$14,500 to $43,600	installed

Frequently asked questions

How much does well drilling cost in Seattle?

In Seattle, WA, well drilling typically costs $6,600 to $19,800 in 2026 for a standard project, about 32% above the national average. Your exact price depends on size, materials, and scope.

Why does well drilling cost more or less in Seattle?

High labor rates and wet-climate detailing raise costs. Labor rates, permit costs, and local demand are the main reasons Seattle prices differ from the national average.

Do I need a permit for well drilling in Seattle?

Most well drilling projects require a permit. Requirements vary by city and Washington 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 Seattle?

In Seattle, the mild climate means most projects can run year-round, with only the occasional rainy stretch to plan around.

Is well drilling cheaper outside Seattle?

Sometimes. Seattle runs about 32% above 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.