⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › South San Francisco (94080)

South San Francisco, CA (94080): well depth, water level & drilling cost

✓ 180 DWR records · San Mateo County

49 ftmedian well depth
34 ft–200 fttypical depth range
198 ftmedian static water level
500 gpmmedian yield (9 tests)

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How deep are wells in and around South San Francisco (94080), California?

The median drilled well depth in and around South San Francisco (94080) is 49 ft, based on 67 wells with recorded depths in the state DWR database. Half fall between 34 ft and 200 ft; 90% are shallower than 600 ft.

How much does it cost to drill a well in and around South San Francisco (94080)?

Applying published per-foot rates to the local median depth of 49 ft: drilling and casing alone typically runs $1,225–$3,185; a complete system including pump, pressure tank, and hookup typically runs $2,940–$4,900. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around South San Francisco (94080)?

The median static water level is 198 ft below ground surface (middle half of wells: 190 ft–223 ft), from 9 measurements.

Drilled depth distribution

0–50 ft 35 50–100 ft 13 100–150 ft 0 150–200 ft 1 200–300 ft 6 300–400 ft 1 400–600 ft 3 600+ ft 8
Looking at a specific property in South San Francisco (94080)?

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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.