⟁ California Well Data field records · 2026 survey

California Well Data › Santa Clara County › San Jose (95121)

San Jose, CA (95121): well depth, water level & drilling cost

✓ 186 DWR records · Santa Clara County

80 ftmedian well depth
46 ft–140 fttypical depth range
85 ftmedian static water level
40 gpmmedian yield (3 tests)

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How deep are wells in and around San Jose (95121), California?

The median drilled well depth in and around San Jose (95121) is 80 ft, based on 94 wells with recorded depths in the state DWR database. Half fall between 46 ft and 140 ft; 90% are shallower than 300 ft.

How much does it cost to drill a well in and around San Jose (95121)?

Applying published per-foot rates to the local median depth of 80 ft: drilling and casing alone typically runs $2,000–$5,200; a complete system including pump, pressure tank, and hookup typically runs $4,800–$8,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around San Jose (95121)?

The median static water level is 85 ft below ground surface (middle half of wells: 55 ft–150 ft), from 17 measurements.

Drilled depth distribution

0–50 ft 33 50–100 ft 34 100–150 ft 4 150–200 ft 4 200–300 ft 8 300–400 ft 4 400–600 ft 4 600+ ft 3
Looking at a specific property in San Jose (95121)?

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Part of Santa Clara County well records.

Method: medians computed from DWR records (filed well completion reports, water-supply uses only (destruction, repair and monitoring wells excluded); depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.