Beta Williamson County, TX only — data and coverage are limited during early access.

4400 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed10,682 sqftBuilt 2023

Property at a Glance

This home is estimated between $2,011,550 and $5,966,204, with a best estimate of $2,452,807.

Estimated Value Range

$2,011,550 $5,966,204
Best Estimate
$2,452,807
WCAD Value
$2,033,250
Low Confidence

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

There are 5 comparable properties within range, but none are in R30ES - Indoor Sports Facility - Round Rock West I-35. The estimated range of $2,011,550 and $5,966,204 should be treated as a rough guide.

Comparable Properties (5)

3 bed 25,259 sqft Built 2004
Raw Value $9,487,810
Adjusted Value $5,966,204

Adjusted -$3,519,684 for 14,577 sqft less living space and -$1,922 for being older. Net adjustment: -$3,521,606.

3 bed 5,612 sqft Built 1985
Raw Value $791,218
Adjusted Value $2,011,550

Adjusted +$1,224,175 for 5,070 sqft more living space and -$3,843 for being older. Net adjustment: +$1,220,332.

3 bed 2 bath 2,754 sqft Built 2018
Raw Value $538,697
Adjusted Value $2,392,250

Adjusted +$1,914,252 for 7,928 sqft more living space and -$506 for being older and -$60,193 for no garage. Net adjustment: +$1,853,553.

3 bed 2 bath 2,274 sqft Built 2021
Raw Value $483,052
Adjusted Value $2,452,807

Adjusted +$2,030,150 for 8,408 sqft more living space and -$202 for being older and -$60,193 for no garage. Net adjustment: +$1,969,755.

3 bed 3 bath 2,162 sqft Built 2020
Raw Value $469,641
Adjusted Value $2,466,338

Adjusted +$2,057,193 for 8,520 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$1,996,697.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $29,615 across all districts. With a homestead exemption claimed, that drops to $27,775 — saving $1,840 per year. That's $2,315 per month a buyer should budget. The assessed value increased +41.8%. This increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$18,702
Williamson CountyCounty0.3694%$6,357
Austin Community Collegespecial0.1034%$1,779
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$1,721
Williamson County FM/RdCounty0.0443%$763
Upper Brushy Creek WCIDWater0.0170%$293
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7211%$29,615
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $2,452,807 would pay approximately $15,310 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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