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505 WESTMINSTER PL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,610 sqftBuilt 1982

Property at a Glance

This home is estimated between $300,824 and $375,168, with a best estimate of $356,055. 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

$300,824 $375,168
Best Estimate
$356,055
WCAD Value
$293,570
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 $300,824 and $375,168. 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 $375,168

Adjusted +$60,086 for 286 sqft more living space. Net adjustment: +$60,086.

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 $373,504

Adjusted +$50,422 for 240 sqft more living space. Net adjustment: +$50,422.

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 $356,055

Adjusted +$42,648 for 203 sqft more living space and +$72 for being newer. Net adjustment: +$42,720.

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 $300,824

Adjusted +$18,068 for 86 sqft more living space and -$72 for being older. Net adjustment: +$17,996.

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 $329,937

Adjusted +$63,027 for 300 sqft more living space and +$72 for being newer. Net adjustment: +$63,099.

The Neighborhood

This home is valued 5.9% 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
$293,570
Median
$312,111

This home is -5.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,282 across all districts. With a homestead exemption claimed, that drops to $3,978 — saving $1,304 per year. That's $332 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%$2,622
Round RockCity0.3720%$1,092
Williamson CountyCounty0.3694%$1,085
Austin Community Collegespecial0.1034%$304
Williamson County FM/RdCounty0.0443%$130
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,282

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $356,055 would pay approximately $2,222 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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