⟁ California Well Data field records · 2026 survey

California Well Data › Alameda County › Oakland (94621)

Oakland, CA (94621): well depth, water level & drilling cost

✓ 80 DWR records · Alameda County

30 ftmedian well depth
3 ft–50 fttypical depth range
6 ftmedian static water level
501 gpmmedian yield (2 tests)

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How deep are wells in and around Oakland (94621), California?

The median drilled well depth in and around Oakland (94621) is 30 ft, based on 40 wells with recorded depths in the state DWR database. Half fall between 3 ft and 50 ft; 90% are shallower than 120 ft.

How much does it cost to drill a well in and around Oakland (94621)?

Applying published per-foot rates to the local median depth of 30 ft: drilling and casing alone typically runs $750–$1,950; a complete system including pump, pressure tank, and hookup typically runs $1,800–$3,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Oakland (94621)?

The median static water level is 6 ft below ground surface (middle half of wells: 6 ft–23 ft), from 8 measurements.

Drilled depth distribution

0–50 ft 27 50–100 ft 8 100–150 ft 3 150–200 ft 0 200–300 ft 1 300–400 ft 0 400–600 ft 1 600+ ft 0
Looking at a specific property in Oakland (94621)?

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Get quotes from drillers who work in Oakland (94621)

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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.