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5088 CASSIA WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

2 bed2 bath1,603 sqftBuilt 2018

Property at a Glance

This home is estimated between $354,613 and $363,980, with a best estimate of $358,093. 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

$354,613 $363,980
Best Estimate
$358,093
WCAD Value
$349,254
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 $354,613 and $363,980. 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 $356,896

Adjusted -$3,484 for 16 sqft less living space. Net adjustment: -$3,484.

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 $354,613

Adjusted -$23,082 for 106 sqft less living space and -$56 for being older. Net adjustment: -$23,138.

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 $363,980

Adjusted -$13,283 for 61 sqft less living space. Net adjustment: -$13,283.

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 $358,267

Adjusted -$23,736 for 109 sqft less living space and -$28 for being older. Net adjustment: -$23,764.

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 $358,093

Adjusted -$871 for 4 sqft less living space. Net adjustment: -$871.

The Neighborhood

This home is valued 19.3% 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
$349,254
Median
$432,756

This home is -19.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,284 across all districts. With a homestead exemption claimed, that drops to $4,969 — saving $1,315 per year. That's $414 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%$3,119
Round RockCity0.3720%$1,299
Williamson CountyCounty0.3694%$1,290
Austin Community Collegespecial0.1034%$361
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,284

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $358,093 would pay approximately $2,235 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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