⟁ California Well Data field records · 2026 survey

California Well Data › San Mateo County › South San Francisco (94083)

South San Francisco, CA (94083): well depth, water level & drilling cost

✓ 375 DWR records · San Mateo County

20 ftmedian well depth
13 ft–22 fttypical depth range
10 ftmedian static water level
227 gpmmedian yield (2 tests)

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How deep are wells in and around South San Francisco (94083), California?

The median drilled well depth in and around South San Francisco (94083) is 20 ft, based on 99 wells with recorded depths in the state DWR database. Half fall between 13 ft and 22 ft; 90% are shallower than 56 ft.

How much does it cost to drill a well in and around South San Francisco (94083)?

Applying published per-foot rates to the local median depth of 20 ft: drilling and casing alone typically runs $500–$1,300; a complete system including pump, pressure tank, and hookup typically runs $1,200–$2,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around South San Francisco (94083)?

The median static water level is 10 ft below ground surface (middle half of wells: 7 ft–14 ft), from 29 measurements.

Drilled depth distribution

0–50 ft 87 50–100 ft 3 100–150 ft 1 150–200 ft 1 200–300 ft 3 300–400 ft 1 400–600 ft 2 600+ ft 1
Looking at a specific property in South San Francisco (94083)?

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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.