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3736 DERBY TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,830 sqftBuilt 2004

Property at a Glance

This home is estimated between $323,267 and $625,392, with a best estimate of $446,706. 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

$323,267 $625,392
Best Estimate
$446,706
WCAD Value
$415,035
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 $323,267 and $625,392. 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 $373,563

Adjusted -$99,528 for 357 sqft less living space and +$271 for being newer. Net adjustment: -$99,257.

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 $625,392

Adjusted +$44,606 for 160 sqft more living space and -$271 for being older. Net adjustment: +$44,335.

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 $323,267

Adjusted -$163,928 for 588 sqft less living space. Net adjustment: -$163,928.

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 $446,706

Adjusted -$40,982 for 147 sqft less living space. Net adjustment: -$40,982.

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 $567,318

Adjusted -$25,091 for 90 sqft less living space and -$271 for being older. Net adjustment: -$25,362.

The Neighborhood

This home is valued 18.8% 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

below average
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$415,035
Median
$510,992

This home is -18.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,272 across all districts. With a homestead exemption claimed, that drops to $6,674 — saving $1,598 per year. That's $556 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%$4,511
Round RockCity0.3720%$1,544
Williamson CountyCounty0.3694%$1,533
Austin Community Collegespecial0.1034%$429
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$8,272

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $446,706 would pay approximately $2,788 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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