We have 401 parcels measured as septic in ZIP 85131 itself (Pinal County, Arizona), out of 17,354 parcels in our records for this ZIP, of which 3,738 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 |
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 |
|---|---|---|---|
| Casa Grande Septic Service | Elroy | (520) 836-2095 | 5.0 (3) |
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 401 parcels as septic in ZIP 85131 itself, out of 17,354 parcels in our records for this ZIP.
ZIP 85131 falls in Pinal County, Arizona.