Guilford, CT Well
Drilling Cost
Avg. Depth
240 ft
Cost / Foot
$38–$85
Total Project
$13,920
vs. National Avg
86% above avg.
the $7,500 national avg.
Guilford, CT Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $3,800–$8,500 | $8,600–$13,300 | $10,600 |
| 150 ft | $5,700–$12,750 | $10,900–$17,950 | $13,900 |
| 200 ft | $7,600–$17,000 | $13,200–$22,600 | $17,200 |
| 300 ft | $11,400–$25,500 | $17,800–$31,900 | $23,800 |
| 400 ft | $15,200–$34,000 | $22,400–$41,200 | $30,400 |
| 500 ft | $19,000–$42,500 | $27,000–$50,500 | $37,000 |
*Costs are estimates based on Guilford area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Guilford, CT
Coastal metamorphic rock with glacial till veneer; Branford Granite and Harrison Gneiss require deep wells in upland areas
The average residential well in Guilford is 240 feet deep and costs approximately $13,920 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $38 to $85 per foot, which is 86% above the national average of $7,500.
The primary aquifer serving the Guilford area is the Coastal CT Crystalline Bedrock Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Guilford health department; CT DEEP permit; $50-$100; coastal setback requirements
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Nearby Areas
Also serving: Madison, Branford, North Branford, Killingworth, Durham
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