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812 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2,714 sqftBuilt 1984

Property at a Glance

This home is estimated between $91,584 and $1,190,163, with a best estimate of $1,108,397.

Estimated Value Range

$91,584 $1,190,163
Best Estimate
$1,108,397
WCAD Value
$1,006,113
Low Confidence

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

There are 5 comparable properties within range, but none are in R30MR - Retail Store-West Round Rock. The estimated range of $91,584 and $1,190,163 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,884 sqft Built 1980
Raw Value $1,149,849
Adjusted Value $1,108,397

Adjusted -$41,047 for 170 sqft less living space and -$405 for being older. Net adjustment: -$41,452.

3 bed 2,958 sqft Built 1977
Raw Value $1,255,433
Adjusted Value $1,135,617

Adjusted -$58,915 for 244 sqft less living space and -$708 for being older and -$60,193 for no garage. Net adjustment: -$119,816.

3 bed 4 bath 1,744 sqft Built 1982
Raw Value $349,707
Adjusted Value $583,716

Adjusted +$234,211 for 970 sqft more living space and -$202 for being older. Net adjustment: +$234,009.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $1,190,163

Adjusted +$147,529 for 611 sqft more living space and -$1,416 for being older and -$60,193 for no garage. Net adjustment: +$85,920.

3 bed 5,612 sqft Built 1985
Raw Value $791,218
Adjusted Value $91,584

Adjusted -$699,735 for 2,898 sqft less living space and +$101 for being newer. Net adjustment: -$699,634.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $18,103 across all districts. With a homestead exemption claimed, that drops to $16,667 — saving $1,436 per year. That's $1,389 per month a buyer should budget. The assessed value increased +0.9%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,986
Round RockCity0.3720%$3,743
Williamson CountyCounty0.3694%$3,717
Austin Community Collegespecial0.1034%$1,040
Williamson County FM/RdCounty0.0443%$446
Upper Brushy Creek WCIDWater0.0170%$171
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$18,103
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,108,397 would pay approximately $6,919 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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