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3816 AQUA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,938 sqftBuilt 2005

Property at a Glance

This home is estimated between $365,729 and $615,119, with a best estimate of $420,848. 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

$365,729 $615,119
Best Estimate
$420,848
WCAD Value
$574,059
High Confidence

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

Based on 5 comparable properties in L498506D - VILLAGE AT MAYFIELD, this home's estimated market value is between $365,729 and $615,119. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3827 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,826 sqft Built 2005
Raw Value $583,895
Adjusted Value $615,119

Adjusted +$31,224 for 112 sqft more living space. Net adjustment: +$31,224.

3828 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 1,906 sqft Built 2005
Raw Value $590,646
Adjusted Value $599,567

Adjusted +$8,921 for 32 sqft more living space. Net adjustment: +$8,921.

3824 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,835 sqft Built 2004
Raw Value $391,862
Adjusted Value $420,848

Adjusted +$28,715 for 103 sqft more living space and +$271 for being newer. Net adjustment: +$28,986.

3800 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,125 sqft Built 2004
Raw Value $417,592
Adjusted Value $365,729

Adjusted -$52,134 for 187 sqft less living space and +$271 for being newer. Net adjustment: -$51,863.

3836 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,915 sqft Built 2006
Raw Value $409,059
Adjusted Value $415,200

Adjusted +$6,412 for 23 sqft more living space and -$271 for being older. Net adjustment: +$6,141.

The Neighborhood

This home is valued 12.3% 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
$574,059
Median
$510,992

This home is +12.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,329 across all districts. With a homestead exemption claimed, that drops to $8,973 — saving $1,356 per year. That's $748 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%$5,127
Round RockCity0.3720%$2,135
Williamson CountyCounty0.3694%$2,121
Austin Community Collegespecial0.1034%$594
Williamson County FM/RdCounty0.0443%$254
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,329

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $420,848 would pay approximately $2,627 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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