ZIP 98042 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 98042.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| King County, Washington | 100% | 184,607 | 84,437 | 486,662 |
7 businesses on record with an address in this ZIP: pumping, installation, design, inspection and repair. Not an endorsement, and we take no fee.
| Company | City | Phone | Rating |
|---|---|---|---|
| SSB Septic Service | Kent | (206) 833-8777 | 5.0 (7) |
| FloHawks | Covington | (253) 499-8855 | 3.6 (5) |
| AA American Septic | Covington | (253) 236-8325 | 2.5 (25) |
| Fast Cats | Kent | (253) 261-1198 | — |
| SSB Septic Service LLC | Covington | (206) 833-8777 | — |
| SSB Septic | Covington | (206) 478-2221 | — |
| SSB Septic | Covington | (253) 886-2672 | — |
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 98042 falls in King County, Washington.