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

3745 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,012 sqftBuilt 2005

Property at a Glance

This home is estimated between $440,579 and $495,783, with a best estimate of $453,413. That places the property below the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$440,579 $495,783
Best Estimate
$453,413
WCAD Value
$489,153
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 $440,579 and $495,783. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3661 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,152 sqft Built 2006
Raw Value $486,266
Adjusted Value $446,965

Adjusted -$39,030 for 140 sqft less living space and -$271 for being older. Net adjustment: -$39,301.

3737 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,153 sqft Built 2005
Raw Value $495,781
Adjusted Value $456,472

Adjusted -$39,309 for 141 sqft less living space. Net adjustment: -$39,309.

3788 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,151 sqft Built 2005
Raw Value $479,331
Adjusted Value $440,579

Adjusted -$38,752 for 139 sqft less living space. Net adjustment: -$38,752.

3776 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,119 sqft Built 2006
Raw Value $525,884
Adjusted Value $495,783

Adjusted -$29,830 for 107 sqft less living space and -$271 for being older. Net adjustment: -$30,101.

3709 FOSSILWOOD WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,150 sqft Built 2005
Raw Value $491,886
Adjusted Value $453,413

Adjusted -$38,473 for 138 sqft less living space. Net adjustment: -$38,473.

The Neighborhood

This home is valued 4.3% 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

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$489,153
Median
$510,992

This home is -4.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,801 across all districts. With a homestead exemption claimed, that drops to $7,461 — saving $1,340 per year. That's $622 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%$4,369
Round RockCity0.3720%$1,820
Williamson CountyCounty0.3694%$1,807
Austin Community Collegespecial0.1034%$506
Williamson County FM/RdCounty0.0443%$217
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,801

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $453,413 would pay approximately $2,830 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