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1921 WINDY PARK, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,428 sqftBuilt 1991

Property at a Glance

This home is estimated between $250,592 and $402,406, with a best estimate of $325,991. That places the property above the R612496H - Windy Park Sec 1 & 2 median of $288,718, in a neighborhood that declined 8.5% over the past year.

Estimated Value Range

$250,592 $402,406
Best Estimate
$325,991
WCAD Value
$279,024
High Confidence

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

Based on 5 comparable properties in R612496H - Windy Park Sec 1 & 2, this home's estimated market value is between $250,592 and $402,406. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1766 WINDY PARK CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,189 sqft Built 1996
Raw Value $277,264
Adjusted Value $325,991

Adjusted +$60,494 for 239 sqft more living space and -$11,767 for being older. Net adjustment: +$48,727.

1736 WINDY PARK CI, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 972 sqft Built 1999
Raw Value $305,813
Adjusted Value $402,406

Adjusted +$115,420 for 456 sqft more living space and -$18,827 for being older. Net adjustment: +$96,593.

1701 WINDY PARK CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,257 sqft Built 1991
Raw Value $280,122
Adjusted Value $323,404

Adjusted +$43,282 for 171 sqft more living space. Net adjustment: +$43,282.

1754 WINDY PARK CI, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,598 sqft Built 1995
Raw Value $303,034
Adjusted Value $250,592

Adjusted -$43,029 for 170 sqft less living space and -$9,413 for being older. Net adjustment: -$52,442.

1770 WINDY PARK CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,047 sqft Built 1999
Raw Value $271,641
Adjusted Value $349,250

Adjusted +$96,436 for 381 sqft more living space and -$18,827 for being older. Net adjustment: +$77,609.

The Neighborhood

This home is valued 3.4% below the R612496H - Windy Park Sec 1 & 2 median of $288,718. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.5% over the past year.

R612496H - Windy Park Sec 1 & 2

typical
247 Properties
$288,718 Median Value
-8.5% YoY Change
0% Have Pool
96% Have Garage
This Home
$279,024
Median
$288,718

This home is -3.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,020 across all districts. With a homestead exemption claimed, that drops to $3,719 — saving $1,301 per year. That's $310 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%$2,492
Round RockCity0.3720%$1,038
Williamson CountyCounty0.3694%$1,031
Austin Community Collegespecial0.1034%$289
Williamson County FM/RdCounty0.0443%$124
Upper Brushy Creek WCIDWater0.0170%$47
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,020

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $325,991 would pay approximately $2,035 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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