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3816 DERBY TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,636 sqftBuilt 2008

Property at a Glance

This home is estimated between $320,560 and $604,697, with a best estimate of $514,316. 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

$320,560 $604,697
Best Estimate
$514,316
WCAD Value
$565,644
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 $320,560 and $604,697. 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 $320,560

Adjusted -$153,613 for 551 sqft less living space and +$1,353 for being newer. Net adjustment: -$152,260.

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 $572,390

Adjusted -$9,479 for 34 sqft less living space and +$812 for being newer. Net adjustment: -$8,667.

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 $393,704

Adjusted -$95,067 for 341 sqft less living space and +$1,083 for being newer. Net adjustment: -$93,984.

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 $514,316

Adjusted -$79,176 for 284 sqft less living space and +$812 for being newer. Net adjustment: -$78,364.

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 $604,697

Adjusted -$20,630 for 74 sqft less living space and +$1,083 for being newer. Net adjustment: -$19,547.

The Neighborhood

This home is valued 10.7% 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
$565,644
Median
$510,992

This home is +10.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,274 across all districts. With a homestead exemption claimed, that drops to $9,648 — saving $1,626 per year. That's $804 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%$6,148
Round RockCity0.3720%$2,104
Williamson CountyCounty0.3694%$2,090
Austin Community Collegespecial0.1034%$585
Williamson County FM/RdCounty0.0443%$251
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$11,274

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $514,316 would pay approximately $3,210 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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