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3107 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,751 sqftBuilt 1979

Property at a Glance

This home is estimated between $329,565 and $1,049,743, with a best estimate of $859,491. 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

$329,565 $1,049,743
Best Estimate
$859,491
WCAD Value
$914,073
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 $329,565 and $1,049,743 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,756 sqft Built 1980
Raw Value $868,751
Adjusted Value $859,491

Adjusted -$1,736 for 5 sqft less living space and -$7,524 for being older. Net adjustment: -$9,260.

4 bed 2 bath 1,364 sqft Built 1977
Raw Value $736,252
Adjusted Value $885,674

Adjusted +$134,373 for 387 sqft more living space and +$15,049 for being newer. Net adjustment: +$149,422.

3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $665,267

Adjusted -$64,930 for 187 sqft less living space and +$60,196 for being newer. Net adjustment: -$4,734.

3 bed 4 bath 1,744 sqft Built 1982
Raw Value $349,707
Adjusted Value $329,565

Adjusted +$2,431 for 7 sqft more living space and -$22,573 for being older. Net adjustment: -$20,142.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $1,049,743

Adjusted -$122,220 for 352 sqft less living space and +$67,720 for being newer. Net adjustment: -$54,500.

The Neighborhood

This home is valued 7.3% 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
$914,073
Median
$851,894

This home is +7.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,960 across all districts. With a homestead exemption claimed, that drops to $12,541 — saving $1,419 per year. That's $1,045 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%$8,164
Williamson CountyCounty0.3694%$3,377
Austin Community Collegespecial0.1034%$945
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$914
Williamson County FM/RdCounty0.0443%$405
Upper Brushy Creek WCIDWater0.0170%$155
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$13,960

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $859,491 would pay approximately $5,365 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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