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3831 AQUA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,905 sqftBuilt 2005

Property at a Glance

This home is estimated between $356,529 and $605,919, with a best estimate of $411,648. 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

$356,529 $605,919
Best Estimate
$411,648
WCAD Value
$496,996
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 $356,529 and $605,919. 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 $605,919

Adjusted +$22,024 for 79 sqft more living space. Net adjustment: +$22,024.

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 $590,367

Adjusted -$279 for 1 sqft less living space. Net adjustment: -$279.

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 $411,648

Adjusted +$19,515 for 70 sqft more living space and +$271 for being newer. Net adjustment: +$19,786.

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 $356,529

Adjusted -$61,334 for 220 sqft less living space and +$271 for being newer. Net adjustment: -$61,063.

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 $406,000

Adjusted -$2,788 for 10 sqft less living space and -$271 for being older. Net adjustment: -$3,059.

The Neighborhood

This home is valued 2.7% 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
$496,996
Median
$510,992

This home is -2.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,942 across all districts. With a homestead exemption claimed, that drops to $7,600 — saving $1,342 per year. That's $633 per month a buyer should budget. The assessed value increased +0.7% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 33 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,439
Round RockCity0.3720%$1,849
Williamson CountyCounty0.3694%$1,836
Austin Community Collegespecial0.1034%$514
Williamson County FM/RdCounty0.0443%$220
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,942
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $411,648 would pay approximately $2,569 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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