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2021 WINDSONG TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,594 sqftBuilt 1985

Property at a Glance

This home is estimated between $303,078 and $337,999, with a best estimate of $334,921. That places the property above the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111, in a neighborhood that declined 9.7% over the past year.

Estimated Value Range

$303,078 $337,999
Best Estimate
$334,921
WCAD Value
$320,272
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER. The estimated range of $303,078 and $337,999 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,671 sqft Built 2000
Raw Value $318,178
Adjusted Value $303,078

Adjusted -$16,177 for 77 sqft less living space and +$1,077 for being newer. Net adjustment: -$15,100.

3 bed 2 bath 1,386 sqft Built 2000
Raw Value $288,548
Adjusted Value $333,324

Adjusted +$43,699 for 208 sqft more living space and +$1,077 for being newer. Net adjustment: +$44,776.

3 bed 2 bath 1,380 sqft Built 2000
Raw Value $288,885
Adjusted Value $334,921

Adjusted +$44,959 for 214 sqft more living space and +$1,077 for being newer. Net adjustment: +$46,036.

3 bed 2 bath 1,380 sqft Built 2000
Raw Value $291,963
Adjusted Value $337,999

Adjusted +$44,959 for 214 sqft more living space and +$1,077 for being newer. Net adjustment: +$46,036.

3 bed 2 bath 1,370 sqft Built 2000
Raw Value $288,876
Adjusted Value $337,013

Adjusted +$47,060 for 224 sqft more living space and +$1,077 for being newer. Net adjustment: +$48,137.

The Neighborhood

This home is valued 2.6% above the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111. With 459 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.7% over the past year.

R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER

typical
459 Properties
$312,111 Median Value
-9.7% YoY Change
2% Have Pool
94% Have Garage
This Home
$320,272
Median
$312,111

This home is +2.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,763 across all districts. With a homestead exemption claimed, that drops to $4,453 — saving $1,310 per year. That's $371 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%$2,860
Round RockCity0.3720%$1,191
Williamson CountyCounty0.3694%$1,183
Austin Community Collegespecial0.1034%$331
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,763

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $334,921 would pay approximately $2,091 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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