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3748 DERBY TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,977 sqftBuilt 2004

Property at a Glance

This home is estimated between $364,249 and $698,681, with a best estimate of $608,300. 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

$364,249 $698,681
Best Estimate
$608,300
WCAD Value
$487,688
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 $364,249 and $698,681. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $414,545

Adjusted -$58,546 for 210 sqft less living space and +$271 for being newer. Net adjustment: -$58,275.

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 $666,374

Adjusted +$85,588 for 307 sqft more living space and -$271 for being older. Net adjustment: +$85,317.

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 $364,249

Adjusted -$122,946 for 441 sqft less living space. Net adjustment: -$122,946.

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 $608,300

Adjusted +$15,891 for 57 sqft more living space and -$271 for being older. Net adjustment: +$15,620.

3724 DERBY TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,710 sqft Built 2004
Raw Value $624,244
Adjusted Value $698,681

Adjusted +$74,437 for 267 sqft more living space. Net adjustment: +$74,437.

The Neighborhood

This home is valued 4.6% 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

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$487,688
Median
$510,992

This home is -4.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,720 across all districts. With a homestead exemption claimed, that drops to $8,108 — saving $1,612 per year. That's $676 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%$5,301
Round RockCity0.3720%$1,814
Williamson CountyCounty0.3694%$1,802
Austin Community Collegespecial0.1034%$504
Williamson County FM/RdCounty0.0443%$216
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$9,720

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $608,300 would pay approximately $3,797 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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