⟁ California Well Data field records · 2026 survey

California Well Data › Marin County › Belvedere Tiburon (94920)

Belvedere Tiburon, CA (94920): well depth, water level & drilling cost

✓ 122 DWR records · Marin County

175 ftmedian well depth
103 ft–235 fttypical depth range
40 ftmedian static water level
5 gpmmedian yield (45 tests)

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How deep are wells in and around Belvedere Tiburon (94920), California?

The median drilled well depth in and around Belvedere Tiburon (94920) is 175 ft, based on 71 wells with recorded depths in the state DWR database. Half fall between 103 ft and 235 ft; 90% are shallower than 300 ft.

How much does it cost to drill a well in and around Belvedere Tiburon (94920)?

Applying published per-foot rates to the local median depth of 175 ft: drilling and casing alone typically runs $4,375–$11,375; a complete system including pump, pressure tank, and hookup typically runs $10,500–$17,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Belvedere Tiburon (94920)?

The median static water level is 40 ft below ground surface (middle half of wells: 14 ft–75 ft), from 39 measurements.

Drilled depth distribution

0–50 ft 13 50–100 ft 3 100–150 ft 12 150–200 ft 15 200–300 ft 16 300–400 ft 10 400–600 ft 1 600+ ft 1
Looking at a specific property in Belvedere Tiburon (94920)?

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Part of Marin 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.