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604 WINDSOR RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath1,548 sqftBuilt 1983

Property at a Glance

This home is estimated between $257,593 and $337,769, with a best estimate of $331,131. 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

$257,593 $337,769
Best Estimate
$331,131
WCAD Value
$305,165
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 $257,593 and $337,769. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

601 DOVER LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,529 sqft Built 1986
Raw Value $326,924
Adjusted Value $331,131

Adjusted +$3,992 for 19 sqft more living space and +$215 for being newer. Net adjustment: +$4,207.

605 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,942 sqft Built 1978
Raw Value $340,728
Adjusted Value $257,593

Adjusted -$82,776 for 394 sqft less living space and -$359 for being older. Net adjustment: -$83,135.

602 DOVER LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,474 sqft Built 1985
Raw Value $322,078
Adjusted Value $337,769

Adjusted +$15,547 for 74 sqft more living space and +$144 for being newer. Net adjustment: +$15,691.

601 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,477 sqft Built 1980
Raw Value $278,723
Adjusted Value $293,424

Adjusted +$14,916 for 71 sqft more living space and -$215 for being older. Net adjustment: +$14,701.

601 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,441 sqft Built 1983
Raw Value $312,275
Adjusted Value $334,755

Adjusted +$22,480 for 107 sqft more living space. Net adjustment: +$22,480.

The Neighborhood

This home is valued 2.2% 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
$305,165
Median
$312,111

This home is -2.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,491 across all districts. With a homestead exemption claimed, that drops to $4,184 — saving $1,307 per year. That's $349 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%$2,725
Round RockCity0.3720%$1,135
Williamson CountyCounty0.3694%$1,127
Austin Community Collegespecial0.1034%$316
Williamson County FM/RdCounty0.0443%$135
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,491

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $331,131 would pay approximately $2,067 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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