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3108 LAGO WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed3 bath2,638 sqftBuilt 2020

Property at a Glance

This home is estimated between $535,918 and $562,286, with a best estimate of $536,884. 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

$535,918 $562,286
Best Estimate
$536,884
WCAD Value
$512,703
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 $535,918 and $562,286. 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 $535,970

Adjusted +$52,915 for 243 sqft more living space. Net adjustment: +$52,915.

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 $558,066

Adjusted +$70,118 for 322 sqft more living space. Net adjustment: +$70,118.

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 $562,286

Adjusted +$118,896 for 546 sqft more living space and -$28 for being older. Net adjustment: +$118,868.

3101 LAGO WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,363 sqft Built 2019
Raw Value $477,028
Adjusted Value $536,884

Adjusted +$59,884 for 275 sqft more living space and -$28 for being older. Net adjustment: +$59,856.

3104 LAGO WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,395 sqft Built 2020
Raw Value $483,003
Adjusted Value $535,918

Adjusted +$52,915 for 243 sqft more living space. Net adjustment: +$52,915.

The Neighborhood

This home is valued 18.5% 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

above average
638 Properties
$432,756 Median Value
-8.1% YoY Change
5% Have Pool
100% Have Garage
This Home
$512,703
Median
$432,756

This home is +18.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,502 across all districts. With a homestead exemption claimed, that drops to $7,937 — saving $1,565 per year. That's $661 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%$5,386
Round RockCity0.3720%$1,907
Williamson CountyCounty0.3694%$1,894
Williamson County FM/RdCounty0.0443%$227
Upper Brushy Creek WCIDWater0.0170%$87
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$9,502

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $536,884 would pay approximately $3,351 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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