Beta Williamson County, TX only — data and coverage are limited during early access.

5044 CASSIA WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,846 sqftBuilt 2016

Property at a Glance

This home is estimated between $407,584 and $416,951, with a best estimate of $411,064. 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

$407,584 $416,951
Best Estimate
$411,064
WCAD Value
$388,827
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 $407,584 and $416,951. 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 $409,867

Adjusted +$49,431 for 227 sqft more living space and +$56 for being newer. Net adjustment: +$49,487.

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 $407,584

Adjusted +$29,833 for 137 sqft more living space. Net adjustment: +$29,833.

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 $416,951

Adjusted +$39,632 for 182 sqft more living space and +$56 for being newer. Net adjustment: +$39,688.

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 $411,239

Adjusted +$29,180 for 134 sqft more living space and +$28 for being newer. Net adjustment: +$29,208.

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 $411,064

Adjusted +$52,044 for 239 sqft more living space and +$56 for being newer. Net adjustment: +$52,100.

The Neighborhood

This home is valued 10.2% 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

typical
638 Properties
$432,756 Median Value
-8.1% YoY Change
5% Have Pool
100% Have Garage
This Home
$388,827
Median
$432,756

This home is -10.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,996 across all districts. With a homestead exemption claimed, that drops to $5,674 — saving $1,322 per year. That's $473 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%$3,473
Round RockCity0.3720%$1,446
Williamson CountyCounty0.3694%$1,437
Austin Community Collegespecial0.1034%$402
Williamson County FM/RdCounty0.0443%$172
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,996

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $411,064 would pay approximately $2,566 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.

View full property details