ZIP 75087 falls in Rockwall County, Texas, where we hold 8 septic-related documents. We have not classified septic-versus-sewer status for this county, and we do not have a per-ZIP parcel count -- see the county page for what we hold and where the records are kept.
ZCTA 75087 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) |
|---|---|---|---|---|
| Rockwall County, Texas | 94% | 8 | — | — |
| Collin County, Texas | 6% | 1,144 | — | — |
2 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 |
|---|---|---|---|
| Texas One Plumbing | Rockwall | (469) 668-1495 | 5.0 (5) |
| G&H Home Services | Rockwall | (469) 401-2155 | 5.0 (2) |
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 not measured septic-versus-sewer status for this county yet.
ZIP 75087 spans 2 counties: Rockwall County, Texas, Collin County, Texas.