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

1603 WINDY PARK DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,418 sqftBuilt 2006

Property at a Glance

This home is estimated between $283,361 and $435,175, with a best estimate of $358,761. 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

$283,361 $435,175
Best Estimate
$358,761
WCAD Value
$328,544
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 $283,361 and $435,175. 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 $358,761

Adjusted +$57,963 for 229 sqft more living space and +$23,534 for being newer. Net adjustment: +$81,497.

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 $435,175

Adjusted +$112,889 for 446 sqft more living space and +$16,473 for being newer. Net adjustment: +$129,362.

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 $356,173

Adjusted +$40,751 for 161 sqft more living space and +$35,300 for being newer. Net adjustment: +$76,051.

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 $283,361

Adjusted -$45,560 for 180 sqft less living space and +$25,887 for being newer. Net adjustment: -$19,673.

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 $382,019

Adjusted +$93,905 for 371 sqft more living space and +$16,473 for being newer. Net adjustment: +$110,378.

The Neighborhood

This home is valued 13.8% above the R612496H - Windy Park Sec 1 & 2 median of $288,718. With 247 homes in the subdivision, the property sits in the upper tier. 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
$328,544
Median
$288,718

This home is +13.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,911 across all districts. With a homestead exemption claimed, that drops to $4,600 — saving $1,311 per year. That's $383 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%$2,934
Round RockCity0.3720%$1,222
Williamson CountyCounty0.3694%$1,214
Austin Community Collegespecial0.1034%$340
Williamson County FM/RdCounty0.0443%$146
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,911

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $358,761 would pay approximately $2,239 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