⟁ California Well Data field records · 2026 survey

California Well Data › Contra Costa County › Richmond (94805)

Richmond, CA (94805): well depth, water level & drilling cost

✓ 118 DWR records · Contra Costa County

16 ftmedian well depth
15 ft–30 fttypical depth range
11 ftmedian static water level
3 gpmmedian yield (2 tests)

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How deep are wells in and around Richmond (94805), California?

The median drilled well depth in and around Richmond (94805) is 16 ft, based on 46 wells with recorded depths in the state DWR database. Half fall between 15 ft and 30 ft; 90% are shallower than 47 ft.

How much does it cost to drill a well in and around Richmond (94805)?

Applying published per-foot rates to the local median depth of 16 ft: drilling and casing alone typically runs $400–$1,040; a complete system including pump, pressure tank, and hookup typically runs $960–$1,600. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Richmond (94805)?

The median static water level is 11 ft below ground surface (middle half of wells: 8 ft–12 ft), from 15 measurements.

Drilled depth distribution

0–50 ft 42 50–100 ft 4 100–150 ft 0 150–200 ft 0 200–300 ft 0 300–400 ft 0 400–600 ft 0 600+ ft 0
Looking at a specific property in Richmond (94805)?

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Part of Contra Costa 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.