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508 WINDSOR RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,433 sqftBuilt 1978

Property at a Glance

This home is estimated between $460,362 and $494,544, with a best estimate of $487,213. 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

$460,362 $494,544
Best Estimate
$487,213
WCAD Value
$343,507
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 $460,362 and $494,544. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

703 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,668 sqft Built 1978
Raw Value $333,824
Adjusted Value $494,544

Adjusted +$160,720 for 765 sqft more living space. Net adjustment: +$160,720.

801 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,488 sqft Built 1978
Raw Value $280,394
Adjusted Value $478,930

Adjusted +$198,536 for 945 sqft more living space. Net adjustment: +$198,536.

507 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,521 sqft Built 1977
Raw Value $297,637
Adjusted Value $489,168

Adjusted +$191,603 for 912 sqft more living space and -$72 for being older. Net adjustment: +$191,531.

701 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,570 sqft Built 1978
Raw Value $279,053
Adjusted Value $460,362

Adjusted +$181,309 for 863 sqft more living space. Net adjustment: +$181,309.

706 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,683 sqft Built 1978
Raw Value $329,645
Adjusted Value $487,213

Adjusted +$157,568 for 750 sqft more living space. Net adjustment: +$157,568.

The Neighborhood

This home is valued 10.1% 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
$343,507
Median
$312,111

This home is +10.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,181 across all districts. With a homestead exemption claimed, that drops to $4,867 — saving $1,314 per year. That's $406 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%$3,068
Round RockCity0.3720%$1,278
Williamson CountyCounty0.3694%$1,269
Austin Community Collegespecial0.1034%$355
Williamson County FM/RdCounty0.0443%$152
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,181

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $487,213 would pay approximately $3,041 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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