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3803 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,478 sqftBuilt 1977

Property at a Glance

This home is estimated between $905,144 and $1,303,884, with a best estimate of $1,055,549. 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

$905,144 $1,303,884
Best Estimate
$1,055,549
WCAD Value
$689,893
Low Confidence

Based on 5 comparable properties(2 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 $905,144 and $1,303,884 should be treated as a rough guide.

Comparable Properties (5)

3801 SAM BASS RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $905,144

Adjusted +$167,270 for 540 sqft more living space and +$93,648 for being newer and -$25,775 for no garage. Net adjustment: +$235,143.

3 bed 2 bath 2,884 sqft Built 1980
Raw Value $1,149,849
Adjusted Value $977,263

Adjusted -$125,762 for 406 sqft less living space and -$46,824 for being older. Net adjustment: -$172,586.

3 bed 2,958 sqft Built 1977
Raw Value $1,255,433
Adjusted Value $1,080,973

Adjusted -$148,685 for 480 sqft less living space and -$25,775 for no garage. Net adjustment: -$174,460.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $1,303,884

Adjusted +$116,160 for 375 sqft more living space and +$109,256 for being newer and -$25,775 for no garage. Net adjustment: +$199,641.

3905 SAM BASS RD, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
4 bed 2 bath 1,364 sqft Built 1977
Raw Value $736,252
Adjusted Value $1,055,549

Adjusted +$345,072 for 1,114 sqft more living space and -$25,775 for no garage. Net adjustment: +$319,297.

The Neighborhood

This home is valued 3.4% 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
$689,893
Median
$714,415

This home is -3.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,537 across all districts. With a homestead exemption claimed, that drops to $9,159 — saving $1,378 per year. That's $763 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%$6,161
Williamson CountyCounty0.3694%$2,549
Austin Community Collegespecial0.1034%$713
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$690
Williamson County FM/RdCounty0.0443%$306
Upper Brushy Creek WCIDWater0.0170%$117
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$10,537

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,055,549 would pay approximately $6,589 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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