⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › Belmont (94002)

Belmont, CA (94002): well depth, water level & drilling cost

✓ 110 DWR records · San Mateo County

120 ftmedian well depth
22 ft–219 fttypical depth range
9 ftmedian static water level
—median yield (— tests)

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How deep are wells in and around Belmont (94002), California?

The median drilled well depth in and around Belmont (94002) is 120 ft, based on 42 wells with recorded depths in the state DWR database. Half fall between 22 ft and 219 ft; 90% are shallower than 300 ft.

How much does it cost to drill a well in and around Belmont (94002)?

Applying published per-foot rates to the local median depth of 120 ft: drilling and casing alone typically runs $3,000–$7,800; a complete system including pump, pressure tank, and hookup typically runs $7,200–$12,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Belmont (94002)?

The median static water level is 9 ft below ground surface (middle half of wells: 7 ft–10 ft), from 2 measurements.

Drilled depth distribution

0–50 ft 12 50–100 ft 4 100–150 ft 9 150–200 ft 1 200–300 ft 6 300–400 ft 9 400–600 ft 1 600+ ft 0
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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.