Well Drilling Cost Guide: Union County, NC (2026)
Figures marked estimate are general planning numbers, not quotes. County fees are official but can change, so confirm on the county fee page.
Official Union County fees
| Item | Fee |
|---|---|
| New/replacement well permit | $500 |
| Well permit redesign | $125 |
| Well repair permit / down-hole camera assessment | $100 |
| Well site re-visit | $50 |
| Bacterial water sample | $70 |
| Inorganic water sample | $130 (as reported) |
Source: Union County Environmental Health Fees.
Complete well estimates by depth (estimate)
| Depth | Basis | Estimated total |
|---|---|---|
| ~120 ft | USGS county median | $4,525–$12,365 |
| ~178 ft | 75th percentile | $5,950–$16,070 |
| ~255 ft | 90th percentile | $7,875–$21,075 |
Method: depth × $25–$65/ft, plus permit, pump ($900–$2,500) and pressure tank ($400–$1,500). Source: WellDrillingPros Union County estimate. A separate directory lists a typical range of $4,500–$18,000 (septicandwell.com).
What moves the price
- Depth to adequate yield (Slate Belt wells can need more depth)
- Casing length through soil and weathered rock
- Pump size, wire and pipe length, and distance to the house
- Treatment equipment if tests show arsenic, iron or manganese
- Site access for the drill rig
Ready to talk to a well contractor? Call (980) 477-1706 or request an estimate. We connect you with an independent NC-certified well contractor serving Union County.