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

1504 WINDSONG TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,038 sqftBuilt 1984

Property at a Glance

This home is estimated between $186,763 and $287,392, with a best estimate of $225,837. That places the property below 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

$186,763 $287,392
Best Estimate
$225,837
WCAD Value
$252,401
High Confidence

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

Based on 5 comparable properties in R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER, this home's estimated market value is between $186,763 and $287,392. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2302 WINDSONG TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,491 sqft Built 1984
Raw Value $321,008
Adjusted Value $225,837

Adjusted -$95,171 for 453 sqft less living space. Net adjustment: -$95,171.

2014 WINDSONG TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,519 sqft Built 1985
Raw Value $287,745
Adjusted Value $186,763

Adjusted -$101,054 for 481 sqft less living space and +$72 for being newer. Net adjustment: -$100,982.

2318 WINDSONG TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,226 sqft Built 1984
Raw Value $269,854
Adjusted Value $230,357

Adjusted -$39,497 for 188 sqft less living space. Net adjustment: -$39,497.

2012 WINDSONG TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,216 sqft Built 1985
Raw Value $324,716
Adjusted Value $287,392

Adjusted -$37,396 for 178 sqft less living space and +$72 for being newer. Net adjustment: -$37,324.

2202 WINDSONG TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,456 sqft Built 1984
Raw Value $301,492
Adjusted Value $213,674

Adjusted -$87,818 for 418 sqft less living space. Net adjustment: -$87,818.

The Neighborhood

This home is valued 19.1% 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

below average
459 Properties
$312,111 Median Value
-9.7% YoY Change
2% Have Pool
94% Have Garage
This Home
$252,401
Median
$312,111

This home is -19.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,541 across all districts. With a homestead exemption claimed, that drops to $3,244 — saving $1,297 per year. That's $270 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%$2,254
Round RockCity0.3720%$939
Williamson CountyCounty0.3694%$932
Austin Community Collegespecial0.1034%$261
Williamson County FM/RdCounty0.0443%$112
Upper Brushy Creek WCIDWater0.0170%$43
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,541

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $225,837 would pay approximately $1,410 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