⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › San Bruno (94066)

San Bruno, CA (94066): well depth, water level & drilling cost

✓ 242 DWR records · San Mateo County

200 ftmedian well depth
35 ft–338 fttypical depth range
45 ftmedian static water level
450 gpmmedian yield (5 tests)

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How deep are wells in and around San Bruno (94066), California?

The median drilled well depth in and around San Bruno (94066) is 200 ft, based on 55 wells with recorded depths in the state DWR database. Half fall between 35 ft and 338 ft; 90% are shallower than 508 ft.

How much does it cost to drill a well in and around San Bruno (94066)?

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 San Bruno (94066)?

The median static water level is 45 ft below ground surface (middle half of wells: 35 ft–217 ft), from 11 measurements.

Drilled depth distribution

0–50 ft 17 50–100 ft 5 100–150 ft 4 150–200 ft 0 200–300 ft 7 300–400 ft 9 400–600 ft 12 600+ ft 1
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Part of San Mateo 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.