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3657 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,005 sqftBuilt 2006

Property at a Glance

This home is estimated between $438,899 and $494,102, with a best estimate of $451,733. 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

$438,899 $494,102
Best Estimate
$451,733
WCAD Value
$458,619
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 $438,899 and $494,102. 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 $445,284

Adjusted -$40,982 for 147 sqft less living space. Net adjustment: -$40,982.

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 $454,791

Adjusted -$41,261 for 148 sqft less living space and +$271 for being newer. Net adjustment: -$40,990.

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 $438,899

Adjusted -$40,703 for 146 sqft less living space and +$271 for being newer. Net adjustment: -$40,432.

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 $494,102

Adjusted -$31,782 for 114 sqft less living space. Net adjustment: -$31,782.

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 $451,733

Adjusted -$40,424 for 145 sqft less living space and +$271 for being newer. Net adjustment: -$40,153.

The Neighborhood

This home is valued 10.2% 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
$458,619
Median
$510,992

This home is -10.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,252 across all districts. With a homestead exemption claimed, that drops to $6,917 — saving $1,335 per year. That's $576 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%$4,096
Round RockCity0.3720%$1,706
Williamson CountyCounty0.3694%$1,694
Austin Community Collegespecial0.1034%$474
Williamson County FM/RdCounty0.0443%$203
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,252

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $451,733 would pay approximately $2,820 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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