ZIP 77489 falls in Fort Bend County, Texas, where we hold 20,399 parcels measured as septic county-wide and 352,341 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 77489.
ZCTA 77489 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) |
|---|---|---|---|---|
| Fort Bend County, Texas | 96% | — | 20,399 | 352,341 |
| Harris County, Texas | 4% | — | 128,872 | 1,412,534 |
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 |
|---|---|---|---|
| ServeStar Plumbing | Missouri City | (866) 782-7701 | — |
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 hold 20,399 parcels measured as septic for Fort Bend County, Texas as a whole, not broken out by ZIP.
ZIP 77489 spans 2 counties: Fort Bend County, Texas, Harris County, Texas.