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3840 AQUA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,616 sqftBuilt 2004

Property at a Glance

This home is estimated between $505,197 and $609,596, with a best estimate of $528,883. 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

$505,197 $609,596
Best Estimate
$528,883
WCAD Value
$485,345
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 $505,197 and $609,596. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3832 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,505 sqft Built 2005
Raw Value $474,522
Adjusted Value $505,197

Adjusted +$30,946 for 111 sqft more living space and -$271 for being older. Net adjustment: +$30,675.

3804 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,417 sqft Built 2004
Raw Value $473,404
Adjusted Value $528,883

Adjusted +$55,479 for 199 sqft more living space. Net adjustment: +$55,479.

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 $609,596

Adjusted +$217,734 for 781 sqft more living space. Net adjustment: +$217,734.

3835 AQUA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,441 sqft Built 2004
Raw Value $463,771
Adjusted Value $512,559

Adjusted +$48,788 for 175 sqft more living space. Net adjustment: +$48,788.

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 $554,477

Adjusted +$136,885 for 491 sqft more living space. Net adjustment: +$136,885.

The Neighborhood

This home is valued 5.0% 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
$485,345
Median
$510,992

This home is -5.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,008 across all districts. With a homestead exemption claimed, that drops to $11,146 — saving $2,862 per year. That's $929 per month a buyer should budget. The assessed value increased +1.5% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 37 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$5,275
Round Rock ISDSchool0.8931%$4,335
Round RockCity0.3720%$1,805
Williamson CountyCounty0.3694%$1,793
Austin Community Collegespecial0.1034%$502
Williamson County FM/RdCounty0.0443%$215
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.8862%$14,008
37 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $528,883 would pay approximately $3,301 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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