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506 WINDSOR RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,573 sqftBuilt 1978

Property at a Glance

This home is estimated between $279,683 and $313,865, with a best estimate of $306,535. 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

$279,683 $313,865
Best Estimate
$306,535
WCAD Value
$281,900
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 $279,683 and $313,865. 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 $313,865

Adjusted -$19,959 for 95 sqft less living space. Net adjustment: -$19,959.

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 $298,252

Adjusted +$17,858 for 85 sqft more living space. Net adjustment: +$17,858.

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 $308,490

Adjusted +$10,925 for 52 sqft more living space and -$72 for being older. Net adjustment: +$10,853.

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 $279,683

Adjusted +$630 for 3 sqft more living space. Net adjustment: +$630.

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 $306,535

Adjusted -$23,110 for 110 sqft less living space. Net adjustment: -$23,110.

The Neighborhood

This home is valued 9.7% 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
$281,900
Median
$312,111

This home is -9.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,072 across all districts. With a homestead exemption claimed, that drops to $3,770 — saving $1,302 per year. That's $314 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%$2,518
Round RockCity0.3720%$1,049
Williamson CountyCounty0.3694%$1,041
Austin Community Collegespecial0.1034%$291
Williamson County FM/RdCounty0.0443%$125
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,072

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $306,535 would pay approximately $1,913 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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