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3101 BIANCO CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed3 bath2,320 sqftBuilt 2021

Property at a Glance

This home is estimated between $405,199 and $498,248, with a best estimate of $474,001. 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

$405,199 $498,248
Best Estimate
$474,001
WCAD Value
$493,080
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 $405,199 and $498,248. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3215 BIANCO TER, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,214 sqft Built 2018
Raw Value $475,250
Adjusted Value $498,248

Adjusted +$23,082 for 106 sqft more living space and -$84 for being older. Net adjustment: +$22,998.

3124 BIANCO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 3 bath 3,084 sqft Built 2020
Raw Value $571,594
Adjusted Value $405,199

Adjusted -$166,367 for 764 sqft less living space and -$28 for being older. Net adjustment: -$166,395.

3223 BIANCO TER, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,426 sqft Built 2019
Raw Value $498,494
Adjusted Value $475,356

Adjusted -$23,082 for 106 sqft less living space and -$56 for being older. Net adjustment: -$23,138.

3105 BIANCO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,434 sqft Built 2021
Raw Value $498,825
Adjusted Value $474,001

Adjusted -$24,824 for 114 sqft less living space. Net adjustment: -$24,824.

3144 BIANCO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,890 sqft Built 2021
Raw Value $547,031
Adjusted Value $422,909

Adjusted -$124,122 for 570 sqft less living space. Net adjustment: -$124,122.

The Neighborhood

This home is valued 13.9% 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
$493,080
Median
$432,756

This home is +13.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,872 across all districts. With a homestead exemption claimed, that drops to $7,530 — saving $1,342 per year. That's $628 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%$4,404
Round RockCity0.3720%$1,834
Williamson CountyCounty0.3694%$1,822
Austin Community Collegespecial0.1034%$510
Williamson County FM/RdCounty0.0443%$219
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,872

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $474,001 would pay approximately $2,959 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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