⟁ California Well Data field records · 2026 survey

California Well Data › Alameda County › Castro Valley (94552)

Castro Valley, CA (94552): well depth, water level & drilling cost

✓ 177 DWR records · Alameda County

200 ftmedian well depth
77 ft–301 fttypical depth range
38 ftmedian static water level
8 gpmmedian yield (39 tests)

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How deep are wells in and around Castro Valley (94552), California?

The median drilled well depth in and around Castro Valley (94552) is 200 ft, based on 115 wells with recorded depths in the state DWR database. Half fall between 77 ft and 301 ft; 90% are shallower than 392 ft.

How much does it cost to drill a well in and around Castro Valley (94552)?

Applying published per-foot rates to the local median depth of 200 ft: drilling and casing alone typically runs $5,000–$13,000; a complete system including pump, pressure tank, and hookup typically runs $12,000–$20,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Castro Valley (94552)?

The median static water level is 38 ft below ground surface (middle half of wells: 27 ft–64 ft), from 39 measurements.

Drilled depth distribution

0–50 ft 11 50–100 ft 19 100–150 ft 14 150–200 ft 10 200–300 ft 29 300–400 ft 20 400–600 ft 12 600+ ft 0
Looking at a specific property in Castro Valley (94552)?

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Part of Alameda 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.