Beta Williamson County, TX only — data and coverage are limited during early access.

3928 TAPADO CANYON TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath935 sqftBuilt 2005

Property at a Glance

This home is estimated between $334,392 and $380,449, with a best estimate of $364,894. That places the property below 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

$334,392 $380,449
Best Estimate
$364,894
WCAD Value
$383,403
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 $334,392 and $380,449. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3916 TAPADO CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 701 sqft Built 2005
Raw Value $317,339
Adjusted Value $364,975

Adjusted +$47,636 for 234 sqft more living space. Net adjustment: +$47,636.

3924 TAPADO CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,153 sqft Built 2005
Raw Value $378,771
Adjusted Value $334,392

Adjusted -$44,379 for 218 sqft less living space. Net adjustment: -$44,379.

3932 TAPADO CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 966 sqft Built 2005
Raw Value $386,760
Adjusted Value $380,449

Adjusted -$6,311 for 31 sqft less living space. Net adjustment: -$6,311.

3912 TAPADO CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,105 sqft Built 2005
Raw Value $372,353
Adjusted Value $337,746

Adjusted -$34,607 for 170 sqft less living space. Net adjustment: -$34,607.

3910 ROLLING CANYON TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 1,220 sqft Built 2003
Raw Value $425,714
Adjusted Value $364,894

Adjusted -$58,018 for 285 sqft less living space and -$2,802 for being older. Net adjustment: -$60,820.

The Neighborhood

This home is valued 4.1% 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

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$383,403
Median
$368,194

This home is +4.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,898 across all districts. With a homestead exemption claimed, that drops to $5,577 — saving $1,321 per year. That's $465 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%$3,424
Round RockCity0.3720%$1,426
Williamson CountyCounty0.3694%$1,416
Austin Community Collegespecial0.1034%$396
Williamson County FM/RdCounty0.0443%$170
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,898

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $364,894 would pay approximately $2,278 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.

View full property details