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3648 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,694 sqftBuilt 2004

Property at a Glance

This home is estimated between $314,663 and $525,942, with a best estimate of $519,711. 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

$314,663 $525,942
Best Estimate
$519,711
WCAD Value
$551,568
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 $314,663 and $525,942. 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 $519,711

Adjusted -$13,382 for 48 sqft less living space and -$541 for being older. Net adjustment: -$13,923.

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 $318,879

Adjusted -$96,740 for 347 sqft less living space and -$541 for being older. Net adjustment: -$97,281.

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 $525,942

Adjusted -$1,673 for 6 sqft less living space and -$271 for being older. 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 $519,907

Adjusted +$20,073 for 72 sqft more living space and -$541 for being older. Net adjustment: +$19,532.

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 $314,663

Adjusted -$102,037 for 366 sqft less living space and -$541 for being older. Net adjustment: -$102,578.

The Neighborhood

This home is valued 7.9% 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
$551,568
Median
$510,992

This home is +7.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,924 across all districts. With a homestead exemption claimed, that drops to $8,572 — saving $1,352 per year. That's $714 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%$4,926
Round RockCity0.3720%$2,052
Williamson CountyCounty0.3694%$2,038
Austin Community Collegespecial0.1034%$570
Williamson County FM/RdCounty0.0443%$245
Upper Brushy Creek WCIDWater0.0170%$94
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,924

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $519,711 would pay approximately $3,244 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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