We have 236 parcels measured as septic in ZIP 85303 itself (Maricopa County, Arizona), out of 9,760 parcels in our records for this ZIP, of which 8,972 are recorded as on sewer.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Maricopa County, Arizona | 100% | 223,158 | 103,791 | 1,420,870 |
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 |
|---|---|---|---|
| Sosa diamond septics | Glendale | (602) 710-6031 | — |
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 236 parcels as septic in ZIP 85303 itself, out of 9,760 parcels in our records for this ZIP.
ZIP 85303 falls in Maricopa County, Arizona.