We have 48 parcels measured as septic in ZIP 77089 itself (Harris County, Texas), out of 16,413 parcels in our records for this ZIP, of which 16,365 are recorded as on sewer.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Harris County, Texas | 100% | — | 128,872 | 1,412,534 |
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 48 parcels as septic in ZIP 77089 itself, out of 16,413 parcels in our records for this ZIP.
ZIP 77089 falls in Harris County, Texas.