Beta Williamson County, TX only — data and coverage are limited during early access.

3717 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,060 sqftBuilt 2006

Property at a Glance

This home is estimated between $421,457 and $654,146, with a best estimate of $622,485. 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

$421,457 $654,146
Best Estimate
$622,485
WCAD Value
$417,241
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 $421,457 and $654,146. 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 $622,289

Adjusted +$88,655 for 318 sqft more living space. Net adjustment: +$88,655.

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 $421,457

Adjusted +$5,297 for 19 sqft more living space. Net adjustment: +$5,297.

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 $628,521

Adjusted +$100,364 for 360 sqft more living space and +$271 for being newer. Net adjustment: +$100,635.

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 $654,146

Adjusted +$102,037 for 366 sqft more living space and +$541 for being newer. Net adjustment: +$102,578.

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 $622,485

Adjusted +$122,110 for 438 sqft more living space. Net adjustment: +$122,110.

The Neighborhood

This home is valued 18.3% 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
$417,241
Median
$510,992

This home is -18.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,507 across all districts. With a homestead exemption claimed, that drops to $6,180 — saving $1,327 per year. That's $515 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%$3,726
Round RockCity0.3720%$1,552
Williamson CountyCounty0.3694%$1,541
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%$7,507

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $622,485 would pay approximately $3,886 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.

View full property details