Washington Well Data › King County › ZIP 98042
ZIP 98042, King County: well depth, water level & drilling cost
✓ 69 Ecology records · King County
How deep are wells in ZIP 98042, Washington?
The median drilled well depth in ZIP 98042 is 130 ft, based on 69 wells with recorded depths in the state Ecology database. Half fall between 95 ft and 158 ft; 90% are shallower than 198 ft.
How much does it cost to drill a well in ZIP 98042?
Applying published per-foot rates to the local median depth of 143 ft: drilling and casing alone typically runs $3,575–$9,295; a complete system including pump, pressure tank, and hookup typically runs $8,580–$14,300. Actual quotes depend on site access, geology, and casing requirements.
Free for property owners. We route your request only to licensed drillers who actually file well logs in King County — never sold elsewhere.
What is the static water level in ZIP 98042?
The median static water level is 97 ft below ground surface (middle half of wells: 45 ft–114 ft), from 20 measurements.
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See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $19Part of King County well records.
Method: medians computed from Ecology records (water wells only — soil/environmental borings and decommissions 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.