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3908 DERBY CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,936 sqftBuilt 2003

Property at a Glance

This home is estimated between $583,028 and $639,655, with a best estimate of $595,286. 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

$583,028 $639,655
Best Estimate
$595,286
WCAD Value
$544,318
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 $583,028 and $639,655. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4000 MADISON CT, ROUND ROCK, TX 78681
0.70 mi 100% similar Same subdivision
4 bed 2 bath 2,477 sqft Built 2005
Raw Value $467,863
Adjusted Value $595,286

Adjusted +$127,964 for 459 sqft more living space and -$541 for being older. Net adjustment: +$127,423.

4005 MADISON CT, ROUND ROCK, TX 78681
0.70 mi 100% similar Same subdivision
4 bed 3 bath 2,724 sqft Built 2005
Raw Value $581,093
Adjusted Value $639,655

Adjusted +$59,103 for 212 sqft more living space and -$541 for being older. Net adjustment: +$58,562.

4021 MADISON CT, ROUND ROCK, TX 78681
0.71 mi 100% similar Same subdivision
4 bed 3 bath 2,690 sqft Built 2005
Raw Value $524,672
Adjusted Value $592,713

Adjusted +$68,582 for 246 sqft more living space and -$541 for being older. Net adjustment: +$68,041.

4004 CHANCERY CT, ROUND ROCK, TX 78681
0.70 mi 100% similar Same subdivision
3 bed 2 bath 2,585 sqft Built 2003
Raw Value $485,173
Adjusted Value $583,028

Adjusted +$97,855 for 351 sqft more living space. Net adjustment: +$97,855.

4009 CHANCERY CT, ROUND ROCK, TX 78681
0.71 mi 100% similar Same subdivision
4 bed 2 bath 2,298 sqft Built 2003
Raw Value $458,843
Adjusted Value $636,710

Adjusted +$177,867 for 638 sqft more living space. Net adjustment: +$177,867.

The Neighborhood

This home is valued 6.5% 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
$544,318
Median
$510,992

This home is +6.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,849 across all districts. With a homestead exemption claimed, that drops to $9,226 — saving $1,623 per year. That's $769 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%$5,916
Round RockCity0.3720%$2,025
Williamson CountyCounty0.3694%$2,011
Austin Community Collegespecial0.1034%$563
Williamson County FM/RdCounty0.0443%$241
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$10,849

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $595,286 would pay approximately $3,716 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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