We have 2,170 parcels measured as septic in ZIP 85139 itself (Pinal County, Arizona), out of 9,908 parcels in our records for this ZIP, of which 4,338 are recorded as on sewer.
ZCTA 85139 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) |
|---|---|---|---|---|
| Pinal County, Arizona | 53% | — | 17,685 | 126,051 |
| Maricopa County, Arizona | 47% | 223,158 | 103,791 | 1,420,870 |
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 2,170 parcels as septic in ZIP 85139 itself, out of 9,908 parcels in our records for this ZIP.
ZIP 85139 spans 2 counties: Pinal County, Arizona, Maricopa County, Arizona.