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3800 AQUA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,125 sqftBuilt 2004

Property at a Glance

This home is estimated between $368,311 and $666,982, with a best estimate of $472,711. 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

$368,311 $666,982
Best Estimate
$472,711
WCAD Value
$417,592
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 $368,311 and $666,982. 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 $666,982

Adjusted +$83,358 for 299 sqft more living space and -$271 for being older. Net adjustment: +$83,087.

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 $651,430

Adjusted +$61,055 for 219 sqft more living space and -$271 for being older. Net adjustment: +$60,784.

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 $368,311

Adjusted -$105,940 for 380 sqft less living space and -$271 for being older. Net adjustment: -$106,211.

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 $391,998

Adjusted -$81,406 for 292 sqft less living space. Net adjustment: -$81,406.

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 $472,711

Adjusted +$80,849 for 290 sqft more living space. Net adjustment: +$80,849.

The Neighborhood

This home is valued 18.3% 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
$417,592
Median
$510,992

This home is -18.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,514 across all districts. With a homestead exemption claimed, that drops to $6,186 — saving $1,328 per year. That's $516 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%$3,730
Round RockCity0.3720%$1,553
Williamson CountyCounty0.3694%$1,543
Austin Community Collegespecial0.1034%$432
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,514

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $472,711 would pay approximately $2,951 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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