Beta Williamson County, TX only — data and coverage are limited during early access.

3337 BIANCO TER, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

2 bed2 bath1,873 sqftBuilt 2019

Property at a Glance

This home is estimated between $376,719 and $417,230, with a best estimate of $398,714. That places the property below the R441515C - HERITAGE AT VIZCAYA median of $432,756, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$376,719 $417,230
Best Estimate
$398,714
WCAD Value
$435,630
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 $376,719 and $417,230. 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 $400,966

Adjusted -$74,256 for 341 sqft less living space and -$28 for being older. Net adjustment: -$74,284.

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 $378,074

Adjusted -$120,420 for 553 sqft less living space. Net adjustment: -$120,420.

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 $376,719

Adjusted -$122,162 for 561 sqft less living space and +$56 for being newer. Net adjustment: -$122,106.

3125 BIANCO CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2,014 sqft Built 2020
Raw Value $447,906
Adjusted Value $417,230

Adjusted -$30,704 for 141 sqft less living space and +$28 for being newer. Net adjustment: -$30,676.

3306 BIANCO TER, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,382 sqft Built 2018
Raw Value $509,581
Adjusted Value $398,714

Adjusted -$110,839 for 509 sqft less living space and -$28 for being older. Net adjustment: -$110,867.

The Neighborhood

This home is in line with the R441515C - HERITAGE AT VIZCAYA median of $432,756. 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
$435,630
Median
$432,756

This home is +0.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,074 across all districts. With a homestead exemption claimed, that drops to $6,523 — saving $1,551 per year. That's $544 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
Georgetown ISDSchool1.0506%$4,577
Round RockCity0.3720%$1,621
Williamson CountyCounty0.3694%$1,609
Williamson County FM/RdCounty0.0443%$193
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$8,074

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $398,714 would pay approximately $2,489 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.

View full property details