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4805 TERRAZA TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,727 sqftBuilt 2015

Property at a Glance

This home is estimated between $384,959 and $657,989, with a best estimate of $635,830. 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

$384,959 $657,989
Best Estimate
$635,830
WCAD Value
$591,440
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 $384,959 and $657,989. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4813 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,958 sqft Built 2016
Raw Value $456,019
Adjusted Value $384,959

Adjusted -$71,060 for 231 sqft less living space. Net adjustment: -$71,060.

4833 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,445 sqft Built 2015
Raw Value $564,508
Adjusted Value $651,256

Adjusted +$86,748 for 282 sqft more living space. Net adjustment: +$86,748.

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 $442,411

Adjusted -$126,738 for 412 sqft less living space. Net adjustment: -$126,738.

4825 TERRAZA TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,552 sqft Built 2019
Raw Value $581,997
Adjusted Value $635,830

Adjusted +$53,833 for 175 sqft more living space. Net adjustment: +$53,833.

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 $657,989

Adjusted +$77,212 for 251 sqft more living space. Net adjustment: +$77,212.

The Neighborhood

This home is valued 9.3% 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

typical
585 Properties
$652,212 Median Value
-0.6% YoY Change
1% Have Pool
100% Have Garage
This Home
$591,440
Median
$652,212

This home is -9.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,642 across all districts. With a homestead exemption claimed, that drops to $9,282 — saving $1,360 per year. That's $774 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%$5,282
Round RockCity0.3720%$2,200
Williamson CountyCounty0.3694%$2,185
Austin Community Collegespecial0.1034%$612
Williamson County FM/RdCounty0.0443%$262
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,642

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $635,830 would pay approximately $3,969 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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