ZIP 98312 falls in Kitsap County, Washington, where we hold 26,305 parcels measured as septic county-wide and 52,943 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 98312.
ZCTA 98312 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) |
|---|---|---|---|---|
| Kitsap County, Washington | 100% | 185,502 | 26,305 | 52,943 |
| Mason County, Washington | 0% | 76,934 | 20,373 | 5,803 |
2 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 |
|---|---|---|---|
| Collins Plumbing | Bremerton | (360) 440-6040 | 3.8 (23) |
| Dano's Septic Tank Pumping | Bremerton | (360) 697-1271 | 3.7 (72) |
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 26,305 parcels measured as septic for Kitsap County, Washington as a whole, not broken out by ZIP.
ZIP 98312 spans 2 counties: Kitsap County, Washington, Mason County, Washington.