ROUND ROCK, 78665 — williamson County
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $301 |
| Round Rock | City | 0.3720% | $126 |
| Williamson County | County | 0.3694% | $125 |
| Austin Community College | special | 0.1034% | $35 |
| Williamson County FM/Rd | County | 0.0443% | $15 |
| Upper Brushy Creek WCID | Water | 0.0170% | $6 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $607 | |