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3768 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,700 sqftBuilt 2005

Property at a Glance

This home is estimated between $316,606 and $553,512, with a best estimate of $521,654. 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

$316,606 $553,512
Best Estimate
$521,654
WCAD Value
$527,886
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 $316,606 and $553,512. 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 $521,654

Adjusted -$11,709 for 42 sqft less living space and -$271 for being older. Net adjustment: -$11,980.

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 $320,822

Adjusted -$95,067 for 341 sqft less living space and -$271 for being older. Net adjustment: -$95,338.

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 $553,512

Adjusted +$1,673 for 6 sqft more living space and +$271 for being newer. Net adjustment: +$1,944.

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 $521,850

Adjusted +$21,746 for 78 sqft more living space and -$271 for being older. Net adjustment: +$21,475.

3717 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,060 sqft Built 2006
Raw Value $417,241
Adjusted Value $316,606

Adjusted -$100,364 for 360 sqft less living space and -$271 for being older. Net adjustment: -$100,635.

The Neighborhood

This home is valued 3.3% 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
$527,886
Median
$510,992

This home is +3.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,498 across all districts. With a homestead exemption claimed, that drops to $8,150 — saving $1,348 per year. That's $679 per month a buyer should budget. The assessed value increased +3.1% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 45 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,715
Round RockCity0.3720%$1,964
Williamson CountyCounty0.3694%$1,950
Austin Community Collegespecial0.1034%$546
Williamson County FM/RdCounty0.0443%$234
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,498
45 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $521,654 would pay approximately $3,256 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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