ZIP 78759 falls in Travis County, Texas, where we hold 34,543 parcels measured as septic county-wide and 337,990 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 78759.
ZCTA 78759 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) |
|---|---|---|---|---|
| Travis County, Texas | 99% | 164,420 | 34,543 | 337,990 |
| Williamson County, Texas | 1% | — | 110,116 | 176,652 |
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 |
|---|---|---|---|
| Bryan & Bryan Inspections | Austin | (737) 206-8318 | 5.0 (7) |
| Synergy Onsite Septic Solutions | Austin | (512) 481-8196 | 4.3 (6) |
| Dump Daddy Waste Removal | Austin | (719) 989-0930 | — |
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 34,543 parcels measured as septic for Travis County, Texas as a whole, not broken out by ZIP.
ZIP 78759 spans 2 counties: Travis County, Texas, Williamson County, Texas.