640 LOUIS HENNA, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
There are not enough comparable properties nearby to estimate a price range. The Williamson County Appraisal District values this home at $11,590,302.
Estimated Value Range
Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $11,590,302.
The Neighborhood
This home is valued 6778.5% above the R20 - East Round Rock Vacant median of $168,500. With 96 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 1.3% over the past year.
R20 - East Round Rock Vacant
outlier highThis home is +6778.5% above the subdivision median.
Tax Analysis
The estimated annual property tax is $208,542 across all districts. With a homestead exemption claimed, that drops to $205,150 — saving $3,392 per year. That's $17,096 per month a buyer should budget. The assessed value increased +10.4% vs the subdivision average of -1.3%. This above-average increase gives a protest opportunity score of 85 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $103,513 |
| Round Rock | City | 0.3720% | $43,116 |
| Williamson County | County | 0.3694% | $42,820 |
| Austin Community College | special | 0.1034% | $11,984 |
| Williamson County FM/Rd | County | 0.0443% | $5,138 |
| Upper Brushy Creek WCID | Water | 0.0170% | $1,970 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $208,542 | |