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3124 LAGO WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,243 sqftBuilt 2020

Property at a Glance

This home is estimated between $457,101 and $494,128, with a best estimate of $476,646. 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

$457,101 $494,128
Best Estimate
$476,646
WCAD Value
$470,709
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 $457,101 and $494,128. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3120 LAGO WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,014 sqft Built 2021
Raw Value $444,233
Adjusted Value $494,128

Adjusted +$49,867 for 229 sqft more living space and +$28 for being newer. Net adjustment: +$49,895.

5328 CORNETTO BLFS, ROUND ROCK, TX 78665
0.09 mi 100% similar Same subdivision
3 bed 2 bath 2,184 sqft Built 2021
Raw Value $475,437
Adjusted Value $488,313

Adjusted +$12,848 for 59 sqft more living space and +$28 for being newer. Net adjustment: +$12,876.

5324 CORNETTO BLFS, ROUND ROCK, TX 78665
0.09 mi 100% similar Same subdivision
2 bed 2 bath 2,320 sqft Built 2022
Raw Value $493,357
Adjusted Value $476,646

Adjusted -$16,767 for 77 sqft less living space and +$56 for being newer. Net adjustment: -$16,711.

5327 CORNETTO BLFS, ROUND ROCK, TX 78665
0.09 mi 100% similar Same subdivision
3 bed 3 bath 2,482 sqft Built 2021
Raw Value $509,117
Adjusted Value $457,101

Adjusted -$52,044 for 239 sqft less living space and +$28 for being newer. Net adjustment: -$52,016.

5318 CORNETTO BLFS, ROUND ROCK, TX 78665
0.09 mi 100% similar Same subdivision
2 bed 2 bath 2,249 sqft Built 2022
Raw Value $474,273
Adjusted Value $473,022

Adjusted -$1,307 for 6 sqft less living space and +$56 for being newer. Net adjustment: -$1,251.

The Neighborhood

This home is valued 8.8% 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
$470,709
Median
$432,756

This home is +8.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,724 across all districts. With a homestead exemption claimed, that drops to $7,166 — saving $1,558 per year. That's $597 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%$4,945
Round RockCity0.3720%$1,751
Williamson CountyCounty0.3694%$1,739
Williamson County FM/RdCounty0.0443%$209
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$8,724

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $476,646 would pay approximately $2,975 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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