ZIP 98047 falls in King County, Washington, where we hold 84,437 parcels measured as septic county-wide and 486,662 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 98047.
ZCTA 98047 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| King County, Washington | 71% | 184,607 | 84,437 | 486,662 |
| Pierce County, Washington | 29% | 172,075 | 200,696 | — |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 84,437 parcels measured as septic for King County, Washington as a whole, not broken out by ZIP.
ZIP 98047 spans 2 counties: King County, Washington, Pierce County, Washington.