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3801 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,938 sqftBuilt 1971

Property at a Glance

This home is estimated between $263,887 and $1,068,741, with a best estimate of $810,430. That places the property above the R201578D - Great Oaks Sec 1, 1 (AMD), & 2 median of $714,415, in a neighborhood that declined 6.8% over the past year.

Estimated Value Range

$263,887 $1,068,741
Best Estimate
$810,430
WCAD Value
$670,001
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R201578D - Great Oaks Sec 1, 1 (AMD), & 2. The estimated range of $263,887 and $1,068,741 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $1,068,741

Adjusted -$51,110 for 165 sqft less living space and +$15,608 for being newer. Net adjustment: -$35,502.

3905 SAM BASS RD, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
4 bed 2 bath 1,364 sqft Built 1977
Raw Value $736,252
Adjusted Value $820,406

Adjusted +$177,802 for 574 sqft more living space and -$93,648 for being older. Net adjustment: +$84,154.

3 bed 2 bath 1,756 sqft Built 1980
Raw Value $868,751
Adjusted Value $810,430

Adjusted +$56,376 for 182 sqft more living space and -$140,472 for being older and +$25,775 for having a garage. Net adjustment: -$58,321.

3 bed 2 bath 2,884 sqft Built 1980
Raw Value $1,149,849
Adjusted Value $742,120

Adjusted -$293,032 for 946 sqft less living space and -$140,472 for being older and +$25,775 for having a garage. Net adjustment: -$407,729.

3 bed 4 bath 1,744 sqft Built 1982
Raw Value $349,707
Adjusted Value $263,887

Adjusted +$60,093 for 194 sqft more living space and -$171,688 for being older and +$25,775 for having a garage. Net adjustment: -$85,820.

The Neighborhood

This home is valued 6.2% below the R201578D - Great Oaks Sec 1, 1 (AMD), & 2 median of $714,415. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 6.8% over the past year.

R201578D - Great Oaks Sec 1, 1 (AMD), & 2

typical
161 Properties
$714,415 Median Value
-6.8% YoY Change
5% Have Pool
74% Have Garage
This Home
$670,001
Median
$714,415

This home is -6.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,233 across all districts. With a homestead exemption claimed, that drops to $8,859 — saving $1,374 per year. That's $738 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%$5,984
Williamson CountyCounty0.3694%$2,475
Austin Community Collegespecial0.1034%$693
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$670
Williamson County FM/RdCounty0.0443%$297
Upper Brushy Creek WCIDWater0.0170%$114
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$10,233

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $810,430 would pay approximately $5,059 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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