We have 318 parcels measured as septic in ZIP 85138 itself (Pinal County, Arizona), out of 26,307 parcels in our records for this ZIP, of which 16,005 are recorded as on sewer.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Pinal County, Arizona | 100% | — | 17,685 | 126,051 |
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 318 parcels as septic in ZIP 85138 itself, out of 26,307 parcels in our records for this ZIP.
ZIP 85138 falls in Pinal County, Arizona.