Modesto, CA Well
Drilling Cost
Avg. Depth
150 ft
Cost / Foot
$32–$72
Total Project
$7,200
vs. National Avg
Near average
the $7,500 national avg.
Modesto, CA Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $3,200–$7,200 | $8,000–$12,000 | $9,600 |
| 150 ft | $4,800–$10,800 | $10,000–$16,000 | $12,400 |
| 200 ft | $6,400–$14,400 | $12,000–$20,000 | $15,200 |
| 300 ft | $9,600–$21,600 | $16,000–$28,000 | $20,800 |
| 400 ft | $12,800–$28,800 | $20,000–$36,000 | $26,400 |
| 500 ft | $16,000–$36,000 | $24,000–$44,000 | $32,000 |
*Costs are estimates based on Modesto area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in Modesto, CA
Stanislaus River alluvial fan deposits; interbedded sand, silt, and clay of the eastern San Joaquin Valley; Corcoran Clay confining layer at depth
The average residential well in Modesto is 150 feet deep and costs approximately $7,200 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $32 to $72 per foot, which is near the national average of $7,500.
The primary aquifer serving the Modesto area is the Modesto / Turlock Subbasin Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Stanislaus County well permit; $400-$500; SGMA basin management applies
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Nearby Areas
Also serving: Ceres, Turlock , Riverbank, Oakdale, Waterford
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