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

600 WINNSBORO CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,828 sqftBuilt 2018

Property at a Glance

This home is estimated between $382,793 and $522,201, with a best estimate of $443,500. That places the property above the R631414D - WARNER RANCH median of $436,007, in a neighborhood that declined 3.2% over the past year.

Estimated Value Range

$382,793 $522,201
Best Estimate
$443,500
WCAD Value
$545,977
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 $382,793 and $522,201. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

611 WINNSBORO CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,894 sqft Built 2014
Raw Value $554,187
Adjusted Value $497,876

Adjusted -$15,862 for 66 sqft less living space and -$40,449 for being older. Net adjustment: -$56,311.

856 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,722 sqft Built 2018
Raw Value $418,024
Adjusted Value $443,500

Adjusted +$25,476 for 106 sqft more living space. Net adjustment: +$25,476.

607 WINNSBORO CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,887 sqft Built 2016
Raw Value $556,606
Adjusted Value $522,201

Adjusted -$14,180 for 59 sqft less living space and -$20,225 for being older. Net adjustment: -$34,405.

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 $438,616

Adjusted +$35,329 for 147 sqft more living space and -$10,112 for being older. Net adjustment: +$25,217.

604 WINNSBORO CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,032 sqft Built 2018
Raw Value $431,821
Adjusted Value $382,793

Adjusted -$49,028 for 204 sqft less living space. Net adjustment: -$49,028.

The Neighborhood

This home is valued 25.2% above the R631414D - WARNER RANCH median of $436,007. With 275 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.2% over the past year.

R631414D - WARNER RANCH

above average
275 Properties
$436,007 Median Value
-3.2% YoY Change
0% Have Pool
97% Have Garage
This Home
$545,977
Median
$436,007

This home is +25.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,824 across all districts. With a homestead exemption claimed, that drops to $8,472 — saving $1,352 per year. That's $706 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,876
Round RockCity0.3720%$2,031
Williamson CountyCounty0.3694%$2,017
Austin Community Collegespecial0.1034%$565
Williamson County FM/RdCounty0.0443%$242
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,824

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $443,500 would pay approximately $2,768 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.

View full property details