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3816 LAGOONA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath1,469 sqftBuilt 2003

Property at a Glance

This home is estimated between $265,491 and $670,293, with a best estimate of $353,165. 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

$265,491 $670,293
Best Estimate
$353,165
WCAD Value
$577,454
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 $265,491 and $670,293 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,232 sqft Built 2011
Raw Value $141,391
Adjusted Value $265,491

Adjusted +$66,073 for 237 sqft more living space and -$2,166 for being older and +$60,193 for having a garage. Net adjustment: +$124,100.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $603,691

Adjusted -$95,346 for 342 sqft less living space and -$2,978 for being older. Net adjustment: -$98,324.

3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $353,165

Adjusted -$32,340 for 116 sqft less living space and +$1,624 for being newer. Net adjustment: -$30,716.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $670,293

Adjusted -$190,970 for 685 sqft less living space and +$541 for being newer. Net adjustment: -$190,429.

3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $351,762

Adjusted -$32,061 for 115 sqft less living space and +$2,166 for being newer. Net adjustment: -$29,895.

The Neighborhood

This home is valued 13.0% 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
$577,454
Median
$510,992

This home is +13.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,509 across all districts. With a homestead exemption claimed, that drops to $9,881 — saving $1,628 per year. That's $823 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%$6,276
Round RockCity0.3720%$2,148
Williamson CountyCounty0.3694%$2,133
Austin Community Collegespecial0.1034%$597
Williamson County FM/RdCounty0.0443%$256
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$11,509

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $353,165 would pay approximately $2,204 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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