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3736 FOSSILWOOD WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,690 sqftBuilt 2006

Property at a Glance

This home is estimated between $318,305 and $636,254, with a best estimate of $525,369. 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

$318,305 $636,254
Best Estimate
$525,369
WCAD Value
$524,030
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 $318,305 and $636,254. 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 $636,254

Adjusted +$149,988 for 538 sqft more living space. Net adjustment: +$149,988.

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 $519,137

Adjusted -$14,497 for 52 sqft less living space. Net adjustment: -$14,497.

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 $318,305

Adjusted -$97,855 for 351 sqft less living space. Net adjustment: -$97,855.

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 $525,369

Adjusted -$2,788 for 10 sqft less living space and +$271 for being newer. Net adjustment: -$2,517.

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 $550,994

Adjusted -$1,115 for 4 sqft less living space and +$541 for being newer. Net adjustment: -$574.

The Neighborhood

This home is valued 2.6% 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
$524,030
Median
$510,992

This home is +2.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,429 across all districts. With a homestead exemption claimed, that drops to $8,082 — saving $1,347 per year. That's $674 per month a buyer should budget. The assessed value increased +4.3% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,680
Round RockCity0.3720%$1,949
Williamson CountyCounty0.3694%$1,936
Austin Community Collegespecial0.1034%$542
Williamson County FM/RdCounty0.0443%$232
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,429
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $525,369 would pay approximately $3,279 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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