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3821 TAILFEATHER DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,421 sqftBuilt 1998

Property at a Glance

This home is estimated between $258,705 and $554,460, with a best estimate of $459,029. That places the property above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$258,705 $554,460
Best Estimate
$459,029
WCAD Value
$452,714
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $258,705 and $554,460. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3818 TAILFEATHER DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,797 sqft Built 1998
Raw Value $335,248
Adjusted Value $258,705

Adjusted -$76,543 for 376 sqft less living space. Net adjustment: -$76,543.

3801 TAILFEATHER DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,425 sqft Built 1998
Raw Value $459,254
Adjusted Value $458,440

Adjusted -$814 for 4 sqft less living space. Net adjustment: -$814.

3813 TAILFEATHER DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,210 sqft Built 1998
Raw Value $416,075
Adjusted Value $459,029

Adjusted +$42,954 for 211 sqft more living space. Net adjustment: +$42,954.

3823 TAILFEATHER DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,210 sqft Built 1998
Raw Value $419,762
Adjusted Value $462,716

Adjusted +$42,954 for 211 sqft more living space. Net adjustment: +$42,954.

3820 TAILFEATHER DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,421 sqft Built 1998
Raw Value $554,460
Adjusted Value $554,460

This comparable closely matches the subject property's features.

The Neighborhood

This home is valued 23.0% above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. With 1,045 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

above average
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$452,714
Median
$368,194

This home is +23.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,146 across all districts. With a homestead exemption claimed, that drops to $6,812 — saving $1,334 per year. That's $568 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%$4,043
Round RockCity0.3720%$1,684
Williamson CountyCounty0.3694%$1,673
Austin Community Collegespecial0.1034%$468
Williamson County FM/RdCounty0.0443%$201
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,146

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $459,029 would pay approximately $2,865 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 4/18/2026.

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