ZIP 98092 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 98092.
ZCTA 98092 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 | 97% | 184,607 | 84,437 | 486,662 |
| Pierce County, Washington | 3% | 172,075 | 200,696 | — |
13 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 |
|---|---|---|---|
| AAA Septic & Plumbing | Auburn | (206) 887-6700 | 4.1 (23) |
| AAA Septic & Plumbing LLC | Milton | (206) 887-6700 | — |
| AAA Septic and Plumbing | Auburn | (206) 887-6700 | — |
| Walker Septic Design & Repair, LLC | Auburn | (253) 569-4988 | — |
| Lone Mountain Construction, LLC | Auburn | (206) 498-9277 | — |
| Palensky Dozing | Auburn | (360) 886-1439 | — |
| A Advanced Septic Services | Auburn | (425) 533-7148 | — |
| AAA Septic & Plumbing | Aubrun | (206) 887-6700 | — |
| AAA Septic & Plumbing | Auburn | (206) 887-6700 | — |
| A Advanced Septic Services | Auburn | (425) 533-7148 | — |
| AAA Septic & Plumbing | Aubrun | (206) 887-6700 | — |
| AAA Septic & Plumbing | Auburn | (206) 887-6700 | — |
| Walker Septic Design & Repair, LLC | Auburn | (253) 569-4988 | — |
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 98092 spans 2 counties: King County, Washington, Pierce County, Washington.