Castle Rock, CO Well
Drilling Cost
Avg. Depth
400 ft
Cost / Foot
$30–$72
Total Project
$19,200
vs. National Avg
156% above avg.
the $7,500 national avg.
Castle Rock, CO Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $3,000–$7,200 | $7,800–$12,000 | $9,600 |
| 150 ft | $4,500–$10,800 | $9,700–$16,000 | $12,400 |
| 200 ft | $6,000–$14,400 | $11,600–$20,000 | $15,200 |
| 300 ft | $9,000–$21,600 | $15,400–$28,000 | $20,800 |
| 400 ft | $12,000–$28,800 | $19,200–$36,000 | $26,400 |
| 500 ft | $15,000–$36,000 | $23,000–$44,000 | $32,000 |
*Costs are estimates based on Castle Rock area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Castle Rock, CO
Denver Basin sedimentary formations with Dawson, Denver, Arapahoe, and Laramie-Fox Hills aquifers stacked at increasing depths; exempt well permits limited
The average residential well in Castle Rock is 400 feet deep and costs approximately $19,200 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $30 to $72 per foot, which is 156% above the national average of $7,500.
The primary aquifer serving the Castle Rock area is the Denver Basin Aquifer System / Dawson Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Douglas County requires well permits through Colorado DWR; $200-$400; Denver Basin exempt well rules apply
Get Free Well Drilling Quotes in Castle Rock
Compare prices from licensed CO well drillers near you.
Well Drillers in Castle Rock, CO
We're expanding our directory of licensed well drillers in Castle Rock. Get matched with local pros instantly by requesting free quotes below.
Castle Rock Well Drilling FAQ
How much does it cost to drill a well in Castle Rock, CO?
How deep are wells in Castle Rock?
Do I need a permit to drill a well near Castle Rock?
How long does it take to drill a well in Castle Rock?
Get Free Quotes in Castle Rock
Compare up to 3 competitive quotes from licensed well drillers in the Castle Rock, CO area. Free, no-obligation estimates.
- Licensed & insured CO well drillers
- Matched to your area & property
- Compare prices before you commit
Get Free Well Drilling Quotes in Castle Rock
100% free · No obligation · Licensed & insured pros