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

5133 CORELLI FALLS, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

2 bed2 bath2,310 sqftBuilt 2019

Property at a Glance

This home is estimated between $469,486 and $510,028, with a best estimate of $494,582. That places the property above the R441515C - HERITAGE AT VIZCAYA median of $432,756, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$469,486 $510,028
Best Estimate
$494,582
WCAD Value
$471,938
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 $469,486 and $510,028. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5429 CORELLI FLS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,136 sqft Built 2023
Raw Value $465,217
Adjusted Value $503,219

Adjusted +$37,890 for 174 sqft more living space and +$112 for being newer. Net adjustment: +$38,002.

5393 CORELLI FLS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,301 sqft Built 2022
Raw Value $492,538
Adjusted Value $494,582

Adjusted +$1,960 for 9 sqft more living space and +$84 for being newer. Net adjustment: +$2,044.

5404 CORELLI FLS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,009 sqft Built 2023
Raw Value $444,371
Adjusted Value $510,028

Adjusted +$65,545 for 301 sqft more living space and +$112 for being newer. Net adjustment: +$65,657.

5381 CORELLI FLS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,300 sqft Built 2021
Raw Value $484,198
Adjusted Value $486,432

Adjusted +$2,178 for 10 sqft more living space and +$56 for being newer. Net adjustment: +$2,234.

5413 CORELLI FLS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,478 sqft Built 2022
Raw Value $505,985
Adjusted Value $469,486

Adjusted -$36,583 for 168 sqft less living space and +$84 for being newer. Net adjustment: -$36,499.

The Neighborhood

This home is valued 9.1% above the R441515C - HERITAGE AT VIZCAYA median of $432,756. With 638 homes in the subdivision, the property sits in the upper tier. 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
$471,938
Median
$432,756

This home is +9.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,747 across all districts. With a homestead exemption claimed, that drops to $7,189 — saving $1,558 per year. That's $599 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
Georgetown ISDSchool1.0506%$4,958
Round RockCity0.3720%$1,756
Williamson CountyCounty0.3694%$1,744
Williamson County FM/RdCounty0.0443%$209
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$8,747

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $494,582 would pay approximately $3,087 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