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5104 CASSIA WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

2 bed2 bath1,894 sqftBuilt 2018

Property at a Glance

This home is estimated between $417,980 and $427,347, with a best estimate of $421,461. 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

$417,980 $427,347
Best Estimate
$421,461
WCAD Value
$407,317
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 $417,980 and $427,347. 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 $420,264

Adjusted +$59,884 for 275 sqft more living space. Net adjustment: +$59,884.

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 $417,980

Adjusted +$40,285 for 185 sqft more living space and -$56 for being older. Net adjustment: +$40,229.

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 $427,347

Adjusted +$50,084 for 230 sqft more living space. Net adjustment: +$50,084.

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 $421,635

Adjusted +$39,632 for 182 sqft more living space and -$28 for being older. Net adjustment: +$39,604.

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 $421,461

Adjusted +$62,497 for 287 sqft more living space. Net adjustment: +$62,497.

The Neighborhood

This home is valued 5.9% 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

typical
638 Properties
$432,756 Median Value
-8.1% YoY Change
5% Have Pool
100% Have Garage
This Home
$407,317
Median
$432,756

This home is -5.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,329 across all districts. With a homestead exemption claimed, that drops to $6,003 — saving $1,326 per year. That's $500 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%$3,638
Round RockCity0.3720%$1,515
Williamson CountyCounty0.3694%$1,505
Austin Community Collegespecial0.1034%$421
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,329

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $421,461 would pay approximately $2,631 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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