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3784 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,041 sqftBuilt 2005

Property at a Glance

This home is estimated between $415,889 and $648,579, with a best estimate of $616,917. 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

$415,889 $648,579
Best Estimate
$616,917
WCAD Value
$416,881
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 $415,889 and $648,579. 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 $616,721

Adjusted +$83,358 for 299 sqft more living space and -$271 for being older. Net adjustment: +$83,087.

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 $415,889

Adjusted -$271 for being older. Net adjustment: -$271.

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 $622,953

Adjusted +$95,067 for 341 sqft more living space. Net adjustment: +$95,067.

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 $648,579

Adjusted +$96,740 for 347 sqft more living space and +$271 for being newer. Net adjustment: +$97,011.

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 $616,917

Adjusted +$116,813 for 419 sqft more living space and -$271 for being older. Net adjustment: +$116,542.

The Neighborhood

This home is valued 18.4% 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
$416,881
Median
$510,992

This home is -18.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,501 across all districts. With a homestead exemption claimed, that drops to $6,173 — saving $1,328 per year. That's $514 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%$3,723
Round RockCity0.3720%$1,551
Williamson CountyCounty0.3694%$1,540
Austin Community Collegespecial0.1034%$431
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,501

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $616,917 would pay approximately $3,851 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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