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3830 DERBY TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath3,016 sqftBuilt 2003

Property at a Glance

This home is estimated between $601,435 and $899,326, with a best estimate of $703,936. 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

$601,435 $899,326
Best Estimate
$703,936
WCAD Value
$555,201
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 $601,435 and $899,326. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3839 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,789 sqft Built 2003
Raw Value $538,150
Adjusted Value $601,435

Adjusted +$63,285 for 227 sqft more living space. Net adjustment: +$63,285.

3800 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,187 sqft Built 2003
Raw Value $472,820
Adjusted Value $703,936

Adjusted +$231,116 for 829 sqft more living space. Net adjustment: +$231,116.

3624 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,418 sqft Built 2004
Raw Value $487,195
Adjusted Value $653,640

Adjusted +$166,716 for 598 sqft more living space and -$271 for being older. Net adjustment: +$166,445.

3748 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,977 sqft Built 2004
Raw Value $487,688
Adjusted Value $777,079

Adjusted +$289,662 for 1,039 sqft more living space and -$271 for being older. Net adjustment: +$289,391.

3812 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
4 bed 2 bath 2,072 sqft Built 2007
Raw Value $637,232
Adjusted Value $899,326

Adjusted +$263,177 for 944 sqft more living space and -$1,083 for being older. Net adjustment: +$262,094.

The Neighborhood

This home is valued 8.7% 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

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$555,201
Median
$510,992

This home is +8.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,066 across all districts. With a homestead exemption claimed, that drops to $9,441 — saving $1,625 per year. That's $787 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%$6,034
Round RockCity0.3720%$2,065
Williamson CountyCounty0.3694%$2,051
Austin Community Collegespecial0.1034%$574
Williamson County FM/RdCounty0.0443%$246
Upper Brushy Creek WCIDWater0.0170%$94
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$11,066

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $703,936 would pay approximately $4,394 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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