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3668 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,424 sqftBuilt 2005

Property at a Glance

This home is estimated between $444,708 and $571,333, with a best estimate of $476,566. 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

$444,708 $571,333
Best Estimate
$476,566
WCAD Value
$596,217
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 $444,708 and $571,333. 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 $444,708

Adjusted -$88,655 for 318 sqft less living space and -$271 for being older. Net adjustment: -$88,926.

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 $571,333

Adjusted +$75,552 for 271 sqft more living space. Net adjustment: +$75,552.

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 $555,440

Adjusted +$76,109 for 273 sqft more living space. Net adjustment: +$76,109.

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 $450,940

Adjusted -$76,946 for 276 sqft less living space. Net adjustment: -$76,946.

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 $476,566

Adjusted -$75,273 for 270 sqft less living space and +$271 for being newer. Net adjustment: -$75,002.

The Neighborhood

This home is valued 16.7% 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

above average
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$596,217
Median
$510,992

This home is +16.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,728 across all districts. With a homestead exemption claimed, that drops to $9,367 — saving $1,361 per year. That's $781 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%$5,325
Round RockCity0.3720%$2,218
Williamson CountyCounty0.3694%$2,203
Austin Community Collegespecial0.1034%$616
Williamson County FM/RdCounty0.0443%$264
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,728

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $476,566 would pay approximately $2,975 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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