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3905 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,364 sqftBuilt 1977

Property at a Glance

This home is estimated between $203,068 and $984,587, with a best estimate of $585,847. That places the property below 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

$203,068 $984,587
Best Estimate
$585,847
WCAD Value
$736,252
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 $203,068 and $984,587 should be treated as a rough guide.

Comparable Properties (5)

3801 SAM BASS RD, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $585,847

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

3 bed 2 bath 1,756 sqft Built 1980
Raw Value $868,751
Adjusted Value $726,276

Adjusted -$121,426 for 392 sqft less living space and -$46,824 for being older and +$25,775 for having a garage. Net adjustment: -$142,475.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $984,587

Adjusted -$228,912 for 739 sqft less living space and +$109,256 for being newer. Net adjustment: -$119,656.

3 bed 4 bath 1,645 sqft Built 1982
Raw Value $368,150
Adjusted Value $203,068

Adjusted -$87,042 for 281 sqft less living space and -$78,040 for being older. Net adjustment: -$165,082.

5 bed 3 bath 1,488 sqft Built 2001
Raw Value $781,907
Adjusted Value $368,906

Adjusted -$38,410 for 124 sqft less living space and -$374,591 for being older. Net adjustment: -$413,001.

The Neighborhood

This home is valued 3.1% above the R201578D - Great Oaks Sec 1, 1 (AMD), & 2 median of $714,415. With 161 homes in the subdivision, the property sits in the upper tier. 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
$736,252
Median
$714,415

This home is +3.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,245 across all districts. With a homestead exemption claimed, that drops to $9,858 — saving $1,387 per year. That's $822 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%$6,575
Williamson CountyCounty0.3694%$2,720
Austin Community Collegespecial0.1034%$761
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$736
Williamson County FM/RdCounty0.0443%$326
Upper Brushy Creek WCIDWater0.0170%$125
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$11,245

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $585,847 would pay approximately $3,657 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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