San Marcos, TX Well
Drilling Cost
Avg. Depth
230 ft
Cost / Foot
$24–$56
Total Project
$8,740
vs. National Avg
17% above avg.
the $7,500 national avg.
San Marcos, TX Well Drilling Cost by Depth
| Well Depth | Drilling Only | Complete System | Est. Total |
|---|---|---|---|
| 100 ft | $2,400–$5,600 | $7,200–$10,400 | $8,600 |
| 150 ft | $3,600–$8,400 | $8,800–$13,600 | $10,900 |
| 200 ft | $4,800–$11,200 | $10,400–$16,800 | $13,200 |
| 300 ft | $7,200–$16,800 | $13,600–$23,200 | $17,800 |
| 400 ft | $9,600–$22,400 | $16,800–$29,600 | $22,400 |
| 500 ft | $12,000–$28,000 | $20,000–$36,000 | $27,000 |
*Costs are estimates based on San Marcos area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.
Well Drilling in San Marcos, TX
Hays County Balcones Fault Zone; Edwards and Trinity Formations; San Marcos Springs (among largest in the US) fed by Edwards Aquifer
The average residential well in San Marcos is 230 feet deep and costs approximately $8,740 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $24 to $56 per foot, which is 17% above the national average of $7,500.
The primary aquifer serving the San Marcos area is the Edwards Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.
Permits & Regulations
Hays County; EAA and Hays Trinity GCD; $200-$400; San Marcos Springs ecosystem protected
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Nearby Areas
Also serving: Kyle , Wimberley , New Braunfels , Buda , Martindale
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