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

4857 FIORE TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,193 sqftBuilt 2017

Property at a Glance

This home is estimated between $436,538 and $487,749, with a best estimate of $450,129. 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

$436,538 $487,749
Best Estimate
$450,129
WCAD Value
$452,326
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 $436,538 and $487,749. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4908 FIORE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,274 sqft Built 2015
Raw Value $467,823
Adjusted Value $450,129

Adjusted -$17,638 for 81 sqft less living space and -$56 for being older. Net adjustment: -$17,694.

4956 FIORE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,092 sqft Built 2016
Raw Value $433,438
Adjusted Value $455,404

Adjusted +$21,994 for 101 sqft more living space and -$28 for being older. Net adjustment: +$21,966.

5020 FIORE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,715 sqft Built 2017
Raw Value $383,661
Adjusted Value $487,749

Adjusted +$104,088 for 478 sqft more living space. Net adjustment: +$104,088.

4817 FIORE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,483 sqft Built 2016
Raw Value $499,716
Adjusted Value $436,538

Adjusted -$63,150 for 290 sqft less living space and -$28 for being older. Net adjustment: -$63,178.

4964 FIORE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,446 sqft Built 2015
Raw Value $494,611
Adjusted Value $439,462

Adjusted -$55,093 for 253 sqft less living space and -$56 for being older. Net adjustment: -$55,149.

The Neighborhood

This home is valued 4.5% 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
$452,326
Median
$432,756

This home is +4.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,139 across all districts. With a homestead exemption claimed, that drops to $6,805 — saving $1,334 per year. That's $567 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%$4,040
Round RockCity0.3720%$1,683
Williamson CountyCounty0.3694%$1,671
Austin Community Collegespecial0.1034%$468
Williamson County FM/RdCounty0.0443%$201
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,139

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $450,129 would pay approximately $2,810 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