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3101 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,374 sqftBuilt 1977

Property at a Glance

This home is estimated between $866,535 and $1,251,010, with a best estimate of $1,052,658. That places the property above the R202681C - Tonkawa & Oak Springs median of $851,894, in a neighborhood that appreciated 3.7% over the past year.

Estimated Value Range

$866,535 $1,251,010
Best Estimate
$1,052,658
WCAD Value
$951,567
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R202681C - Tonkawa & Oak Springs. The estimated range of $866,535 and $1,251,010 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 $1,251,010

Adjusted +$94,096 for 271 sqft more living space and +$52,671 for being newer. Net adjustment: +$146,767.

3 bed 2 bath 2,884 sqft Built 1980
Raw Value $1,149,849
Adjusted Value $950,195

Adjusted -$177,081 for 510 sqft less living space and -$22,573 for being older. Net adjustment: -$199,654.

3 bed 2,958 sqft Built 1977
Raw Value $1,255,433
Adjusted Value $1,052,658

Adjusted -$202,775 for 584 sqft less living space. Net adjustment: -$202,775.

3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $866,535

Adjusted +$151,387 for 436 sqft more living space and +$45,147 for being newer. Net adjustment: +$196,534.

3 bed 2 bath 1,756 sqft Built 1980
Raw Value $868,751
Adjusted Value $1,060,758

Adjusted +$214,580 for 618 sqft more living space and -$22,573 for being older. Net adjustment: +$192,007.

The Neighborhood

This home is valued 11.7% above the R202681C - Tonkawa & Oak Springs median of $851,894. With 154 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 3.7% over the past year.

R202681C - Tonkawa & Oak Springs

typical
154 Properties
$851,894 Median Value
+3.7% YoY Change
7% Have Pool
92% Have Garage
This Home
$951,567
Median
$851,894

This home is +11.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,073 across all districts. With a homestead exemption claimed, that drops to $12,653 — saving $1,420 per year. That's $1,054 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%$8,229
Williamson CountyCounty0.3694%$3,404
Austin Community Collegespecial0.1034%$953
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$921
Williamson County FM/RdCounty0.0443%$408
Upper Brushy Creek WCIDWater0.0170%$157
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$14,073

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,052,658 would pay approximately $6,571 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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