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816 WINNSBORO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,683 sqftBuilt 2017

Property at a Glance

This home is estimated between $358,056 and $430,343, with a best estimate of $413,880. 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

$358,056 $430,343
Best Estimate
$413,880
WCAD Value
$418,617
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 $358,056 and $430,343. 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 $386,847

Adjusted -$53,595 for 223 sqft less living space. Net adjustment: -$53,595.

864 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,683 sqft Built 2018
Raw Value $420,231
Adjusted Value $430,343

Adjusted +$10,112 for being newer. Net adjustment: +$10,112.

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 $413,880

Adjusted +$481 for 2 sqft more living space. Net adjustment: +$481.

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 $418,763

Adjusted -$9,373 for 39 sqft less living space and +$10,112 for being newer. Net adjustment: +$739.

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 $358,056

Adjusted -$83,877 for 349 sqft less living space and +$10,112 for being newer. Net adjustment: -$73,765.

The Neighborhood

This home is valued 4.0% 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
$418,617
Median
$436,007

This home is -4.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,532 across all districts. With a homestead exemption claimed, that drops to $6,204 — saving $1,328 per year. That's $517 per month a buyer should budget. The assessed value increased +8.1% vs the subdivision average of -3.2%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,739
Round RockCity0.3720%$1,557
Williamson CountyCounty0.3694%$1,547
Austin Community Collegespecial0.1034%$433
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,532
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $413,880 would pay approximately $2,583 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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