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3604 DERBY TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,929 sqftBuilt 2003

Property at a Glance

This home is estimated between $298,392 and $652,722, with a best estimate of $474,035. 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

$298,392 $652,722
Best Estimate
$474,035
WCAD Value
$669,838
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 $298,392 and $652,722. 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 $298,392

Adjusted -$239,758 for 860 sqft less living space. Net adjustment: -$239,758.

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 $400,892

Adjusted -$71,928 for 258 sqft less living space. Net adjustment: -$71,928.

3608 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,670 sqft Built 2005
Raw Value $581,057
Adjusted Value $652,722

Adjusted +$72,206 for 259 sqft more living space and -$541 for being older. Net adjustment: +$71,665.

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 $474,035

Adjusted -$13,382 for 48 sqft less living space and -$271 for being older. Net adjustment: -$13,653.

3821 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,920 sqft Built 2005
Raw Value $592,680
Adjusted Value $594,648

Adjusted +$2,509 for 9 sqft more living space and -$541 for being older. Net adjustment: +$1,968.

The Neighborhood

This home is valued 31.1% 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
$669,838
Median
$510,992

This home is +31.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,350 across all districts. With a homestead exemption claimed, that drops to $11,705 — saving $1,645 per year. That's $975 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%$7,280
Round RockCity0.3720%$2,492
Williamson CountyCounty0.3694%$2,475
Austin Community Collegespecial0.1034%$693
Williamson County FM/RdCounty0.0443%$297
Upper Brushy Creek WCIDWater0.0170%$114
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$13,350

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $474,035 would pay approximately $2,959 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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