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3730 LAGOONA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,473 sqftBuilt 2003

Property at a Glance

This home is estimated between $395,477 and $974,378, with a best estimate of $730,552. 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

$395,477 $974,378
Best Estimate
$730,552
WCAD Value
$459,358
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 $395,477 and $974,378 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $974,378

Adjusted +$70,812 for 254 sqft more living space and -$1,083 for being older. Net adjustment: +$69,729.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $950,197

Adjusted +$88,934 for 319 sqft more living space and +$541 for being newer. Net adjustment: +$89,475.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $714,318

Adjusted +$155,285 for 557 sqft more living space and -$2,978 for being older. Net adjustment: +$152,307.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $730,552

Adjusted +$155,285 for 557 sqft more living space and -$3,519 for being older. Net adjustment: +$151,766.

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $395,477

Adjusted -$177,589 for 637 sqft less living space and +$812 for being newer. Net adjustment: -$176,777.

The Neighborhood

This home is valued 10.1% below the L498506D - VILLAGE AT MAYFIELD median of $510,992. That positions it competitively for buyers comparing within the neighborhood. 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
$459,358
Median
$510,992

This home is -10.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,155 across all districts. With a homestead exemption claimed, that drops to $7,549 — saving $1,606 per year. That's $629 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
Leander ISDSchool1.0869%$4,993
Round RockCity0.3720%$1,709
Williamson CountyCounty0.3694%$1,697
Austin Community Collegespecial0.1034%$475
Williamson County FM/RdCounty0.0443%$204
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$9,155

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $730,552 would pay approximately $4,560 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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