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4813 TERRAZA TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,958 sqftBuilt 2016

Property at a Glance

This home is estimated between $412,789 and $729,049, with a best estimate of $513,470. That places the property below the R440515C - VIZCAYA median of $652,212, in a neighborhood that declined 0.6% over the past year.

Estimated Value Range

$412,789 $729,049
Best Estimate
$513,470
WCAD Value
$456,019
High Confidence

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

Based on 5 comparable properties in R440515C - VIZCAYA, this home's estimated market value is between $412,789 and $729,049. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4805 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,727 sqft Built 2015
Raw Value $591,440
Adjusted Value $662,500

Adjusted +$71,060 for 231 sqft more living space. Net adjustment: +$71,060.

4829 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,139 sqft Built 2015
Raw Value $569,149
Adjusted Value $513,470

Adjusted -$55,679 for 181 sqft less living space. Net adjustment: -$55,679.

4821 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 1,476 sqft Built 2016
Raw Value $580,777
Adjusted Value $729,049

Adjusted +$148,272 for 482 sqft more living space. Net adjustment: +$148,272.

4801 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,211 sqft Built 2016
Raw Value $490,616
Adjusted Value $412,789

Adjusted -$77,827 for 253 sqft less living space. Net adjustment: -$77,827.

4809 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,142 sqft Built 2015
Raw Value $554,676
Adjusted Value $498,074

Adjusted -$56,602 for 184 sqft less living space. Net adjustment: -$56,602.

The Neighborhood

This home is valued 30.1% below the R440515C - VIZCAYA median of $652,212. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 0.6% over the past year.

R440515C - VIZCAYA

below average
585 Properties
$652,212 Median Value
-0.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$456,019
Median
$652,212

This home is -30.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,205 across all districts. With a homestead exemption claimed, that drops to $6,870 — saving $1,335 per year. That's $573 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%$4,073
Round RockCity0.3720%$1,696
Williamson CountyCounty0.3694%$1,685
Austin Community Collegespecial0.1034%$472
Williamson County FM/RdCounty0.0443%$202
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,205

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $513,470 would pay approximately $3,205 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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