Colorado Well Drilling Cost & Drillers (2026)

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Source-checked planning guide · updated August 2026

Plan a residential well in Colorado

Colorado does not publish one dependable statewide residential depth average, and a plains or Denver Basin well is not comparable to a foothill hard-rock bore. This broad WDF band starts with the national complete-system model; deep aquifers, pumping lift, mountain access and rock can push a quote higher.

Planning range$4,500–$25,000USD

Depth referenceNo statewide average — check the DWR permit fileNearby records are more useful

Ground patternPlains and basin sediments / mountain rockConfirm at the property

How the estimate works

Depth is only the first number

The range is calculated from government well records or depth guidance and the ground conditions commonly encountered in the area. It is not a published government price and it cannot predict whether a specific bore will be dry, unusually deep or difficult to reach.

Ask every bidder for one complete-system total. It should identify drilling, casing, grouting, pump, pressure tank, electrical work, permit or filing charges, water testing and restoration separately.

1Local recordsLikely depth

2Ground conditionsPer-foot difficulty

3Full scopePump, casing & permits

Planning band$4,500–$25,000

Local cost drivers

Why Colorado quotes vary by area

Eastern Plains

Sedimentary and High Plains aquifers can require substantial depth and pumping lift even where drilling resistance is moderate.

Depth and pump premium possible

Denver Basin and Front Range

Multiple bedrock aquifers and special basin rules make the permit file and nearby completed wells essential planning evidence.

Highly location-specific

Foothills and mountain areas

Fractured hard rock, steep access, winter conditions and longer mobilization can materially widen the complete price.

Higher rock and access risk

Licensing check

Verify the people doing the work

Use a Colorado-licensed water-well construction contractor and verify the current status through the Division of Water Resources. The state also regulates pump-installation work.

Open the licence lookup guide →

Before drilling

Confirm the permit path

A Division of Water Resources permit is required before constructing or replacing a well. The permit file identifies allowed uses and may contain construction and pump records; Denver Basin and other areas can have additional rules.

Review permit guidance →

Quote checklist

Compare the same scope—not just the headline price

Licence and insurance: match the name on the proposal to the current public record.
Depth and per-foot terms: record the included depth, overage rate and dry-hole terms.
Complete system: separate drilling, casing, grout, pump, tank, wiring, permit, test and restoration.
Water and workmanship: ask about yield testing, disinfection, laboratory testing and written warranties.

The directory above currently contains 152 contractor listings serving Colorado.

Estimate my project Read the national cost guide Estimate likely depth

Frequently asked questions

Colorado well-drilling questions

How much does it cost to drill a well in Colorado?

WDF’s 2026 planning range is $4,500–$25,000 USD. Colorado does not publish one dependable statewide residential depth average, and a plains or Denver Basin well is not comparable to a foothill hard-rock bore. This broad WDF band starts with the national complete-system model; deep aquifers, pumping lift, mountain access and rock can push a quote higher.

How deep is a residential well in Colorado?

The reference point used here is no statewide average — check the dwr permit file. A nearby completion record is more useful than a broad average, and only drilling confirms the final depth and yield.

Do I need a licensed well driller or a permit in Colorado?

Use a Colorado-licensed water-well construction contractor and verify the current status through the Division of Water Resources. The state also regulates pump-installation work. A Division of Water Resources permit is required before constructing or replacing a well. The permit file identifies allowed uses and may contain construction and pump records; Denver Basin and other areas can have additional rules.

What should a complete well quote include?

Compare drilling, casing, grout, pump, pressure tank, electrical work, permit or filing fees, yield testing, disinfection, laboratory testing, restoration, over-depth pricing and dry-hole terms on separate lines.

Primary sources

Where these facts come from

Depth, licensing and permit statements are checked against government records. Cost figures are WDF planning estimates derived from those records and the published 2026 cost model.