ZIP 78610 falls in Hays County, Texas, where we hold 56,993 parcels measured as septic county-wide and 32,829 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 78610.
ZCTA 78610 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) |
|---|---|---|---|---|
| Hays County, Texas | 71% | 2 | 56,993 | 32,829 |
| Travis County, Texas | 26% | 164,420 | 34,543 | 337,990 |
| Caldwell County, Texas | 2% | 8 | — | — |
4 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 |
|---|---|---|---|
| Rocklyn Septic Services | Buda | (512) 779-7142 | 5.0 (2) |
| Zoom Drain Central Texas | Buda | (737) 334-3646 | 4.2 (5) |
| CRAMT Enterprises | Buda | (512) 560-8134 | 4.1 (8) |
| Kroeger Plumbing | Buda | (512) 785-7435 | 2.3 (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 hold 56,993 parcels measured as septic for Hays County, Texas as a whole, not broken out by ZIP.
ZIP 78610 spans 3 counties: Hays County, Texas, Travis County, Texas, Caldwell County, Texas.