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4209 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 $432,019.

Estimated Value Range

WCAD Appraised Value $432,019

Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $432,019.

The Neighborhood

This home is valued 17.8% 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

below average
95 Properties
$525,678 Median Value
-7.9% YoY Change
0% Have Pool
0% Have Garage
This Home
$432,019
Median
$525,678

This home is -17.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $16 across all districts. With a homestead exemption claimed, that drops to $2 — saving $14 per year. That's $0 per month a buyer should budget. The assessed value increased +30.3% vs the subdivision average of -7.9%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Hutto ISDSchool1.2052%$11
Williamson CountyCounty0.3694%$3
Williamson County ESD #9 - Round RockESD0.0999%$1
Williamson County FM/RdCounty0.0443%$0
EWC Higher Ed Centerspecial0.0409%$0
Upper Brushy Creek WCIDWater0.0170%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7768%$16
100 / 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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