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502 WESTMINSTER PL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,509 sqftBuilt 1981

Property at a Glance

This home is estimated between $279,677 and $354,021, with a best estimate of $334,908. 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

$279,677 $354,021
Best Estimate
$334,908
WCAD Value
$282,905
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 $279,677 and $354,021. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

706 WESTMINSTER PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,324 sqft Built 1982
Raw Value $315,082
Adjusted Value $354,021

Adjusted +$38,867 for 185 sqft more living space and +$72 for being newer. Net adjustment: +$38,939.

605 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,370 sqft Built 1982
Raw Value $323,082
Adjusted Value $352,357

Adjusted +$29,203 for 139 sqft more living space and +$72 for being newer. Net adjustment: +$29,275.

606 WESTMINSTER PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,407 sqft Built 1983
Raw Value $313,335
Adjusted Value $334,908

Adjusted +$21,429 for 102 sqft more living space and +$144 for being newer. Net adjustment: +$21,573.

500 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,524 sqft Built 1981
Raw Value $282,828
Adjusted Value $279,677

Adjusted -$3,151 for 15 sqft less living space. Net adjustment: -$3,151.

701 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,310 sqft Built 1983
Raw Value $266,838
Adjusted Value $308,790

Adjusted +$41,808 for 199 sqft more living space and +$144 for being newer. Net adjustment: +$41,952.

The Neighborhood

This home is valued 9.4% 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
$282,905
Median
$312,111

This home is -9.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,090 across all districts. With a homestead exemption claimed, that drops to $3,788 — saving $1,302 per year. That's $316 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%$2,527
Round RockCity0.3720%$1,052
Williamson CountyCounty0.3694%$1,045
Austin Community Collegespecial0.1034%$293
Williamson County FM/RdCounty0.0443%$125
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,090

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $334,908 would pay approximately $2,090 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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