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5133 LUNATA WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

1 bed2 bath2,233 sqftBuilt 2019

Property at a Glance

This home is estimated between $473,540 and $497,590, with a best estimate of $477,702. That places the property above the R441515C - HERITAGE AT VIZCAYA median of $432,756, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$473,540 $497,590
Best Estimate
$477,702
WCAD Value
$477,639
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R441515C - HERITAGE AT VIZCAYA, this home's estimated market value is between $473,540 and $497,590. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5124 LUNATA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,865 sqft Built 2018
Raw Value $407,379
Adjusted Value $487,486

Adjusted +$80,135 for 368 sqft more living space and -$28 for being older. Net adjustment: +$80,107.

5049 LUNATA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,959 sqft Built 2017
Raw Value $413,930
Adjusted Value $473,540

Adjusted +$59,666 for 274 sqft more living space and -$56 for being older. Net adjustment: +$59,610.

5064 LUNATA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,959 sqft Built 2017
Raw Value $418,092
Adjusted Value $477,702

Adjusted +$59,666 for 274 sqft more living space and -$56 for being older. Net adjustment: +$59,610.

5037 LUNATA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,981 sqft Built 2016
Raw Value $418,905
Adjusted Value $473,696

Adjusted +$54,875 for 252 sqft more living space and -$84 for being older. Net adjustment: +$54,791.

5121 LUNATA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,751 sqft Built 2018
Raw Value $392,659
Adjusted Value $497,590

Adjusted +$104,959 for 482 sqft more living space and -$28 for being older. Net adjustment: +$104,931.

The Neighborhood

This home is valued 10.4% above the R441515C - HERITAGE AT VIZCAYA median of $432,756. With 638 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.1% over the past year.

R441515C - HERITAGE AT VIZCAYA

typical
638 Properties
$432,756 Median Value
-8.1% YoY Change
5% Have Pool
100% Have Garage
This Home
$477,639
Median
$432,756

This home is +10.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,594 across all districts. With a homestead exemption claimed, that drops to $7,255 — saving $1,339 per year. That's $605 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%$4,266
Round RockCity0.3720%$1,777
Williamson CountyCounty0.3694%$1,765
Austin Community Collegespecial0.1034%$494
Williamson County FM/RdCounty0.0443%$212
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,594

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $477,702 would pay approximately $2,982 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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