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

4259 CR 123, 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 $476,048.

Estimated Value Range

WCAD Appraised Value $476,048

Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $476,048.

The Neighborhood

This home is valued 9.4% below the T14TR2 - Hutto Transitional 2 median of $525,678. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.9% over the past year.

T14TR2 - Hutto Transitional 2

typical
95 Properties
$525,678 Median Value
-7.9% YoY Change
0% Have Pool
0% Have Garage
This Home
$476,048
Median
$525,678

This home is -9.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,155 across all districts. With a homestead exemption claimed, that drops to $6,383 — saving $1,772 per year. That's $532 per month a buyer should budget. The assessed value increased +24.5% vs the subdivision average of -7.9%. This above-average increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Hutto ISDSchool1.2052%$5,532
Williamson CountyCounty0.3694%$1,696
Williamson County ESD #9 - Round RockESD0.0999%$459
Williamson County FM/RdCounty0.0443%$203
EWC Higher Ed Centerspecial0.0409%$188
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7768%$8,155
95 / 100

There may be a strong case to protest this appraisal.

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.

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