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3780 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,718 sqftBuilt 2005

Property at a Glance

This home is estimated between $325,840 and $558,530, with a best estimate of $526,868. 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

$325,840 $558,530
Best Estimate
$526,868
WCAD Value
$591,518
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 $325,840 and $558,530. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3724 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,742 sqft Built 2006
Raw Value $533,634
Adjusted Value $526,672

Adjusted -$6,691 for 24 sqft less living space and -$271 for being older. Net adjustment: -$6,962.

3740 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,041 sqft Built 2006
Raw Value $416,160
Adjusted Value $325,840

Adjusted -$90,049 for 323 sqft less living space and -$271 for being older. Net adjustment: -$90,320.

3768 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,700 sqft Built 2005
Raw Value $527,886
Adjusted Value $532,904

Adjusted +$5,018 for 18 sqft more living space. Net adjustment: +$5,018.

3648 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,694 sqft Built 2004
Raw Value $551,568
Adjusted Value $558,530

Adjusted +$6,691 for 24 sqft more living space and +$271 for being newer. Net adjustment: +$6,962.

3713 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,622 sqft Built 2006
Raw Value $500,375
Adjusted Value $526,868

Adjusted +$26,764 for 96 sqft more living space and -$271 for being older. Net adjustment: +$26,493.

The Neighborhood

This home is valued 15.8% 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
$591,518
Median
$510,992

This home is +15.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,643 across all districts. With a homestead exemption claimed, that drops to $9,283 — saving $1,360 per year. That's $774 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
Round Rock ISDSchool0.8931%$5,283
Round RockCity0.3720%$2,200
Williamson CountyCounty0.3694%$2,185
Austin Community Collegespecial0.1034%$612
Williamson County FM/RdCounty0.0443%$262
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,643

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $526,868 would pay approximately $3,289 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 4/19/2026.

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