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5031 CASSIA WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,596 sqftBuilt 2016

Property at a Glance

This home is estimated between $353,144 and $362,511, with a best estimate of $356,625. 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

$353,144 $362,511
Best Estimate
$356,625
WCAD Value
$345,345
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 $353,144 and $362,511. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5100 CASSIA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,619 sqft Built 2018
Raw Value $360,380
Adjusted Value $355,428

Adjusted -$5,008 for 23 sqft less living space and +$56 for being newer. Net adjustment: -$4,952.

5012 CASSIA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,709 sqft Built 2016
Raw Value $377,751
Adjusted Value $353,144

Adjusted -$24,607 for 113 sqft less living space. Net adjustment: -$24,607.

5091 CASSIA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 1,664 sqft Built 2018
Raw Value $377,263
Adjusted Value $362,511

Adjusted -$14,808 for 68 sqft less living space and +$56 for being newer. Net adjustment: -$14,752.

5059 CASSIA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,712 sqft Built 2017
Raw Value $382,031
Adjusted Value $356,799

Adjusted -$25,260 for 116 sqft less living space and +$28 for being newer. Net adjustment: -$25,232.

5072 CASSIA WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,607 sqft Built 2018
Raw Value $358,964
Adjusted Value $356,625

Adjusted -$2,395 for 11 sqft less living space and +$56 for being newer. Net adjustment: -$2,339.

The Neighborhood

This home is valued 20.2% below the R441515C - HERITAGE AT VIZCAYA median of $432,756. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.1% over the past year.

R441515C - HERITAGE AT VIZCAYA

below average
638 Properties
$432,756 Median Value
-8.1% YoY Change
5% Have Pool
100% Have Garage
This Home
$345,345
Median
$432,756

This home is -20.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,214 across all districts. With a homestead exemption claimed, that drops to $4,900 — saving $1,314 per year. That's $408 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%$3,084
Round RockCity0.3720%$1,285
Williamson CountyCounty0.3694%$1,276
Austin Community Collegespecial0.1034%$357
Williamson County FM/RdCounty0.0443%$153
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,214

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $356,625 would pay approximately $2,226 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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