ZIP 98221 falls in Skagit County, Washington, where we hold 18,281 parcels measured as septic county-wide and 24,293 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 98221.
ZCTA 98221 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) |
|---|---|---|---|---|
| Skagit County, Washington | 92% | 17,997 | 18,281 | 24,293 |
| San Juan County, Washington | 8% | — | 7,248 | 2,635 |
1 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 |
|---|---|---|---|
| Fidalgo Bay Construction LLC | Anacortes | (208) 573-2388 | — |
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 18,281 parcels measured as septic for Skagit County, Washington as a whole, not broken out by ZIP.
ZIP 98221 spans 2 counties: Skagit County, Washington, San Juan County, Washington.