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3117 LAGO WAY, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath2,055 sqftBuilt 2019

Property at a Glance

This home is estimated between $409,045 and $455,529, with a best estimate of $435,361. 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

$409,045 $455,529
Best Estimate
$435,361
WCAD Value
$441,353
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 $409,045 and $455,529. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3116 LAGO WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,395 sqft Built 2020
Raw Value $483,055
Adjusted Value $409,045

Adjusted -$74,038 for 340 sqft less living space and +$28 for being newer. Net adjustment: -$74,010.

3100 LAGO WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,976 sqft Built 2020
Raw Value $438,298
Adjusted Value $455,529

Adjusted +$17,203 for 79 sqft more living space and +$28 for being newer. Net adjustment: +$17,231.

3112 LAGO WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,316 sqft Built 2020
Raw Value $487,948
Adjusted Value $431,141

Adjusted -$56,835 for 261 sqft less living space and +$28 for being newer. Net adjustment: -$56,807.

3113 LAGO WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,092 sqft Built 2019
Raw Value $443,418
Adjusted Value $435,361

Adjusted -$8,057 for 37 sqft less living space. Net adjustment: -$8,057.

3105 LAGO WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,978 sqft Built 2019
Raw Value $436,435
Adjusted Value $453,202

Adjusted +$16,767 for 77 sqft more living space. Net adjustment: +$16,767.

The Neighborhood

This home is valued 2.0% 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
$441,353
Median
$432,756

This home is +2.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,180 across all districts. With a homestead exemption claimed, that drops to $6,628 — saving $1,552 per year. That's $552 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%$4,637
Round RockCity0.3720%$1,642
Williamson CountyCounty0.3694%$1,631
Williamson County FM/RdCounty0.0443%$196
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$8,180

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $435,361 would pay approximately $2,718 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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