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3729 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,140 sqftBuilt 2006

Property at a Glance

This home is estimated between $365,999 and $531,739, with a best estimate of $482,921. 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

$365,999 $531,739
Best Estimate
$482,921
WCAD Value
$520,858
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 $365,999 and $531,739. 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 $482,921

Adjusted -$3,345 for 12 sqft less living space. Net adjustment: -$3,345.

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 $492,428

Adjusted -$3,624 for 13 sqft less living space and +$271 for being newer. Net adjustment: -$3,353.

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 $476,535

Adjusted -$3,067 for 11 sqft less living space and +$271 for being newer. Net adjustment: -$2,796.

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 $365,999

Adjusted -$134,376 for 482 sqft less living space. Net adjustment: -$134,376.

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 $531,739

Adjusted +$5,855 for 21 sqft more living space. Net adjustment: +$5,855.

The Neighborhood

This home is valued 1.9% 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
$520,858
Median
$510,992

This home is +1.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,372 across all districts. With a homestead exemption claimed, that drops to $8,025 — saving $1,347 per year. That's $669 per month a buyer should budget. The assessed value increased +3.4% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 46 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,652
Round RockCity0.3720%$1,938
Williamson CountyCounty0.3694%$1,924
Austin Community Collegespecial0.1034%$539
Williamson County FM/RdCounty0.0443%$231
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,372
46 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $482,921 would pay approximately $3,014 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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