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3718 LAGOONA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,864 sqftBuilt 2003

Property at a Glance

This home is estimated between $406,966 and $639,089, with a best estimate of $461,884. That places the property below the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$406,966 $639,089
Best Estimate
$461,884
WCAD Value
$408,407
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 $406,966 and $639,089 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $422,798

Adjusted +$52,691 for 189 sqft more living space and +$2,166 for being newer. Net adjustment: +$54,857.

3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $463,287

Adjusted +$77,782 for 279 sqft more living space and +$1,624 for being newer. Net adjustment: +$79,406.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $406,966

Adjusted -$3,624 for 13 sqft less living space and +$5,143 for being newer. Net adjustment: +$1,519.

3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $461,884

Adjusted +$78,061 for 280 sqft more living space and +$2,166 for being newer. Net adjustment: +$80,227.

3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $639,089

Adjusted -$99,528 for 357 sqft less living space and -$2,978 for being older. Net adjustment: -$102,506.

The Neighborhood

This home is valued 20.1% 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

below average
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$408,407
Median
$510,992

This home is -20.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,140 across all districts. With a homestead exemption claimed, that drops to $6,543 — saving $1,597 per year. That's $545 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%$4,439
Round RockCity0.3720%$1,519
Williamson CountyCounty0.3694%$1,509
Austin Community Collegespecial0.1034%$422
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$8,140

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $461,884 would pay approximately $2,883 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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