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803 WINDSOR RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,702 sqftBuilt 1978

Property at a Glance

This home is estimated between $306,785 and $340,967, with a best estimate of $333,637. 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

$306,785 $340,967
Best Estimate
$333,637
WCAD Value
$303,452
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 $306,785 and $340,967. 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 $340,967

Adjusted +$7,143 for 34 sqft more living space. Net adjustment: +$7,143.

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 $325,353

Adjusted +$44,959 for 214 sqft more living space. Net adjustment: +$44,959.

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 $335,591

Adjusted +$38,026 for 181 sqft more living space and -$72 for being older. Net adjustment: +$37,954.

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 $306,785

Adjusted +$27,732 for 132 sqft more living space. Net adjustment: +$27,732.

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 $333,637

Adjusted +$3,992 for 19 sqft more living space. Net adjustment: +$3,992.

The Neighborhood

This home is valued 2.8% 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
$303,452
Median
$312,111

This home is -2.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,460 across all districts. With a homestead exemption claimed, that drops to $4,154 — saving $1,306 per year. That's $346 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%$2,710
Round RockCity0.3720%$1,129
Williamson CountyCounty0.3694%$1,121
Austin Community Collegespecial0.1034%$314
Williamson County FM/RdCounty0.0443%$135
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,460

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $333,637 would pay approximately $2,083 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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