ZIP 98275 falls in Snohomish County, Washington, where we hold 57,732 parcels measured as septic county-wide and 199,061 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 98275.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Snohomish County, Washington | 100% | 155,022 | 57,732 | 199,061 |
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 |
|---|---|---|---|
| Side - Sewer | Mukilteo | (425) 772-3400 | 5.0 (4) |
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 57,732 parcels measured as septic for Snohomish County, Washington as a whole, not broken out by ZIP.
ZIP 98275 falls in Snohomish County, Washington.