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843 WINNSBORO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,693 sqftBuilt 2017

Property at a Glance

This home is estimated between $360,459 and $499,869, with a best estimate of $416,890. 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

$360,459 $499,869
Best Estimate
$416,890
WCAD Value
$414,601
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 $360,459 and $499,869. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $421,166

Adjusted -$6,970 for 29 sqft less living space and +$10,112 for being newer. Net adjustment: +$3,142.

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 $499,869

Adjusted -$46,625 for 194 sqft less living space and -$10,112 for being older. Net adjustment: -$56,737.

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 $416,283

Adjusted +$2,884 for 12 sqft more living space. Net adjustment: +$2,884.

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 $360,459

Adjusted -$81,474 for 339 sqft less living space and +$10,112 for being newer. Net adjustment: -$71,362.

713 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,303 sqft Built 2014
Raw Value $353,496
Adjusted Value $416,890

Adjusted +$93,731 for 390 sqft more living space and -$30,337 for being older. Net adjustment: +$63,394.

The Neighborhood

This home is valued 4.9% 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
$414,601
Median
$436,007

This home is -4.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,460 across all districts. With a homestead exemption claimed, that drops to $6,133 — saving $1,327 per year. That's $511 per month a buyer should budget. The assessed value increased +6.2% vs the subdivision average of -3.2%. This above-average increase gives a protest opportunity score of 52 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,703
Round RockCity0.3720%$1,542
Williamson CountyCounty0.3694%$1,532
Austin Community Collegespecial0.1034%$429
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,460
52 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $416,890 would pay approximately $2,602 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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