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864 WINNSBORO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,683 sqftBuilt 2018

Property at a Glance

This home is estimated between $347,944 and $511,128, with a best estimate of $403,768. That places the property below the R631414D - WARNER RANCH median of $436,007, in a neighborhood that declined 3.2% over the past year.

Estimated Value Range

$347,944 $511,128
Best Estimate
$403,768
WCAD Value
$420,231
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R631414D - WARNER RANCH, this home's estimated market value is between $347,944 and $511,128. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

812 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1,906 sqft Built 2017
Raw Value $440,442
Adjusted Value $376,735

Adjusted -$53,595 for 223 sqft less living space and -$10,112 for being older. Net adjustment: -$63,707.

852 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,681 sqft Built 2017
Raw Value $413,399
Adjusted Value $403,768

Adjusted +$481 for 2 sqft more living space and -$10,112 for being older. Net adjustment: -$9,631.

856 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
3 bed 2 bath 1,722 sqft Built 2018
Raw Value $418,024
Adjusted Value $408,651

Adjusted -$9,373 for 39 sqft less living space. Net adjustment: -$9,373.

604 WINNSBORO CV, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
3 bed 2 bath 2,032 sqft Built 2018
Raw Value $431,821
Adjusted Value $347,944

Adjusted -$83,877 for 349 sqft less living space. Net adjustment: -$83,877.

600 WINNSBORO CV, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
4 bed 2 bath 1,828 sqft Built 2018
Raw Value $545,977
Adjusted Value $511,128

Adjusted -$34,849 for 145 sqft less living space. Net adjustment: -$34,849.

The Neighborhood

This home is valued 3.6% below the R631414D - WARNER RANCH median of $436,007. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.2% over the past year.

R631414D - WARNER RANCH

typical
275 Properties
$436,007 Median Value
-3.2% YoY Change
0% Have Pool
97% Have Garage
This Home
$420,231
Median
$436,007

This home is -3.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,561 across all districts. With a homestead exemption claimed, that drops to $6,233 — saving $1,328 per year. That's $519 per month a buyer should budget. The assessed value increased +5.2% vs the subdivision average of -3.2%. This above-average increase gives a protest opportunity score of 47 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,753
Round RockCity0.3720%$1,563
Williamson CountyCounty0.3694%$1,553
Austin Community Collegespecial0.1034%$435
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,561
47 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $403,768 would pay approximately $2,520 per month (principal and interest only, excluding taxes and insurance).

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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