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3901 DERBY CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,073 sqftBuilt 2006

Property at a Glance

This home is estimated between $340,310 and $636,796, with a best estimate of $396,927. 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

$340,310 $636,796
Best Estimate
$396,927
WCAD Value
$632,276
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 $340,310 and $636,796. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3900 DERBY CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,550 sqft Built 2004
Raw Value $472,751
Adjusted Value $340,310

Adjusted -$132,982 for 477 sqft less living space and +$541 for being newer. Net adjustment: -$132,441.

4001 CHANCERY CT, ROUND ROCK, TX 78681
0.14 mi 100% similar Same subdivision
4 bed 3 bath 2,143 sqft Built 2003
Raw Value $655,499
Adjusted Value $636,796

Adjusted -$19,515 for 70 sqft less living space and +$812 for being newer. Net adjustment: -$18,703.

4005 CHANCERY CT, ROUND ROCK, TX 78681
0.14 mi 100% similar Same subdivision
4 bed 2,443 sqft Built 2003
Raw Value $468,336
Adjusted Value $365,996

Adjusted -$103,152 for 370 sqft less living space and +$812 for being newer. Net adjustment: -$102,340.

4009 CHANCERY CT, ROUND ROCK, TX 78681
0.14 mi 100% similar Same subdivision
4 bed 2 bath 2,298 sqft Built 2003
Raw Value $458,843
Adjusted Value $396,927

Adjusted -$62,728 for 225 sqft less living space and +$812 for being newer. Net adjustment: -$61,916.

4000 CHANCERY CT, ROUND ROCK, TX 78681
0.14 mi 100% similar Same subdivision
4 bed 3 bath 2,046 sqft Built 2003
Raw Value $535,449
Adjusted Value $543,788

Adjusted +$7,527 for 27 sqft more living space and +$812 for being newer. Net adjustment: +$8,339.

The Neighborhood

This home is valued 23.7% 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

above average
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$632,276
Median
$510,992

This home is +23.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,602 across all districts. With a homestead exemption claimed, that drops to $10,963 — saving $1,639 per year. That's $914 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%$6,872
Round RockCity0.3720%$2,352
Williamson CountyCounty0.3694%$2,336
Austin Community Collegespecial0.1034%$654
Williamson County FM/RdCounty0.0443%$280
Upper Brushy Creek WCIDWater0.0170%$107
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$12,602

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $396,927 would pay approximately $2,478 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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