Beta Williamson County, TX only — data and coverage are limited during early access.

PALM VALLEY BLVD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

Built 2001

Property at a Glance

This home is appraised at $54,273,131. Without subdivision data, a comparison to similar nearby homes is not possible.

Estimated Value Range

WCAD Appraised Value $54,273,131

Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $54,273,131.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $976,523 across all districts. With a homestead exemption claimed, that drops to $965,248 — saving $11,275 per year. That's $80,437 per month a buyer should budget. The assessed value increased 0.0%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$484,713
Round RockCity0.3720%$201,896
Williamson CountyCounty0.3694%$200,510
Austin Community Collegespecial0.1034%$56,118
Williamson County FM/RdCounty0.0443%$24,059
Upper Brushy Creek WCIDWater0.0170%$9,226
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$976,523
50 / 100

Moderate opportunity to protest.

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details