We have 6,273 parcels measured as septic in ZIP 85331 itself (Maricopa County, Arizona), out of 16,405 parcels in our records for this ZIP, of which 8,746 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 |
3 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 |
|---|---|---|---|
| Black Mountain Septic Services | Cave Creek | (480) 343-0335 | 4.7 (20) |
| Cave Creek Septic Service | Cave Creek | (602) 550-2022 | 3.9 (21) |
| Sewer Time Septic & Drain | Cave Creek | (480) 900-8820 | 2.0 (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 6,273 parcels as septic in ZIP 85331 itself, out of 16,405 parcels in our records for this ZIP.
ZIP 85331 falls in Maricopa County, Arizona.