We have 174 parcels measured as septic in ZIP 85603 itself (Cochise County, Arizona), out of 3,622 parcels in our records for this ZIP, of which 3,389 are recorded as on sewer.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Cochise County, Arizona | 100% | 28 | 9,130 | 35,082 |
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 174 parcels as septic in ZIP 85603 itself, out of 3,622 parcels in our records for this ZIP.
ZIP 85603 falls in Cochise County, Arizona.