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812 WINNSBORO DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1,906 sqftBuilt 2017

Property at a Glance

This home is estimated between $411,651 and $675,181, with a best estimate of $472,358. 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

$411,651 $675,181
Best Estimate
$472,358
WCAD Value
$440,442
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 $411,651 and $675,181. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $483,938

Adjusted +$53,595 for 223 sqft more living space and +$10,112 for being newer. Net adjustment: +$63,707.

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 $411,651

Adjusted -$30,282 for 126 sqft less living space and +$10,112 for being newer. Net adjustment: -$20,170.

856 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
3 bed 2 bath 1,722 sqft Built 2018
Raw Value $418,024
Adjusted Value $472,358

Adjusted +$44,222 for 184 sqft more living space and +$10,112 for being newer. Net adjustment: +$54,334.

824 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
4 bed 3 bath 1,072 sqft Built 2017
Raw Value $474,741
Adjusted Value $675,181

Adjusted +$200,440 for 834 sqft more living space. Net adjustment: +$200,440.

852 WINNSBORO DR, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
3 bed 2 bath 1,681 sqft Built 2017
Raw Value $413,399
Adjusted Value $467,474

Adjusted +$54,075 for 225 sqft more living space. Net adjustment: +$54,075.

The Neighborhood

This home is in line with the R631414D - WARNER RANCH median of $436,007. 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
$440,442
Median
$436,007

This home is +1.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,925 across all districts. With a homestead exemption claimed, that drops to $6,593 — saving $1,332 per year. That's $549 per month a buyer should budget. The assessed value increased +3.6% vs the subdivision average of -3.2%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,934
Round RockCity0.3720%$1,638
Williamson CountyCounty0.3694%$1,627
Austin Community Collegespecial0.1034%$455
Williamson County FM/RdCounty0.0443%$195
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,925
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $472,358 would pay approximately $2,948 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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