We have 492 parcels measured as septic in ZIP 99026 itself (Spokane County, Washington), out of 1,299 parcels in our records for this ZIP, of which 9 are recorded as on sewer.
ZCTA 99026 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) |
|---|---|---|---|---|
| Spokane County, Washington | 77% | 27 | 36,413 | 127,463 |
| Stevens County, Washington | 23% | 2,716 | 15,048 | 6,017 |
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 |
|---|---|---|---|
| Clark's Septic | Nine Mile Falls | (509) 467-7776 | — |
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 have measured 492 parcels as septic in ZIP 99026 itself, out of 1,299 parcels in our records for this ZIP.
ZIP 99026 spans 2 counties: Spokane County, Washington, Stevens County, Washington.