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1503 WINDSONG TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,392 sqftBuilt 1984

Property at a Glance

This home is estimated between $278,880 and $348,283, with a best estimate of $317,870. 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

$278,880 $348,283
Best Estimate
$317,870
WCAD Value
$289,667
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 $278,880 and $348,283 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,437 sqft Built 1978
Raw Value $327,755
Adjusted Value $317,870

Adjusted -$9,454 for 45 sqft less living space and -$431 for being older. Net adjustment: -$9,885.

3 bed 2 bath 1,248 sqft Built 1984
Raw Value $263,457
Adjusted Value $293,710

Adjusted +$30,253 for 144 sqft more living space. Net adjustment: +$30,253.

3 bed 2 bath 1,327 sqft Built 1977
Raw Value $265,727
Adjusted Value $278,880

Adjusted +$13,656 for 65 sqft more living space and -$503 for being older. Net adjustment: +$13,153.

3 bed 2 bath 1,124 sqft Built 1979
Raw Value $292,338
Adjusted Value $348,283

Adjusted +$56,304 for 268 sqft more living space and -$359 for being older. Net adjustment: +$55,945.

3 bed 2 bath 1,060 sqft Built 1983
Raw Value $250,733
Adjusted Value $320,411

Adjusted +$69,750 for 332 sqft more living space and -$72 for being older. Net adjustment: +$69,678.

The Neighborhood

This home is valued 7.2% below the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111. That positions it competitively for buyers comparing within the neighborhood. 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
$289,667
Median
$312,111

This home is -7.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,212 across all districts. With a homestead exemption claimed, that drops to $3,908 — saving $1,304 per year. That's $326 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%$2,587
Round RockCity0.3720%$1,078
Williamson CountyCounty0.3694%$1,070
Austin Community Collegespecial0.1034%$300
Williamson County FM/RdCounty0.0443%$128
Upper Brushy Creek WCIDWater0.0170%$49
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,212

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $317,870 would pay approximately $1,984 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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