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3901 LAGOONA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,941 sqftBuilt 2004

Property at a Glance

This home is estimated between $514,017 and $1,105,123, with a best estimate of $939,616. That places the property above the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$514,017 $1,105,123
Best Estimate
$939,616
WCAD Value
$581,875
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in L498506D - VILLAGE AT MAYFIELD. The estimated range of $514,017 and $1,105,123 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $526,222

Adjusted -$47,115 for 169 sqft less living space and +$1,083 for being newer. Net adjustment: -$46,032.

3 bed 2 bath 3,097 sqft Built 2000
Raw Value $556,425
Adjusted Value $514,017

Adjusted -$43,491 for 156 sqft less living space and +$1,083 for being newer. Net adjustment: -$42,408.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $1,105,123

Adjusted +$201,286 for 722 sqft more living space and -$812 for being older. Net adjustment: +$200,474.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $1,080,941

Adjusted +$219,407 for 787 sqft more living space and +$812 for being newer. Net adjustment: +$220,219.

3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $939,616

Adjusted +$200,728 for 720 sqft more living space and -$2,707 for being older. Net adjustment: +$198,021.

The Neighborhood

This home is valued 13.9% above the L498506D - VILLAGE AT MAYFIELD median of $510,992. With 696 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.8% over the past year.

L498506D - VILLAGE AT MAYFIELD

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$581,875
Median
$510,992

This home is +13.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,470 across all districts. With a homestead exemption claimed, that drops to $9,112 — saving $1,358 per year. That's $759 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%$5,197
Round RockCity0.3720%$2,165
Williamson CountyCounty0.3694%$2,150
Austin Community Collegespecial0.1034%$602
Williamson County FM/RdCounty0.0443%$258
Upper Brushy Creek WCIDWater0.0170%$99
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,470

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $939,616 would pay approximately $5,865 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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