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

2021 KASS CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,194 sqftBuilt 2005

Property at a Glance

This home is estimated between $338,296 and $426,394, with a best estimate of $344,040. That places the property above the R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B median of $314,414, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$338,296 $426,394
Best Estimate
$344,040
WCAD Value
$280,831
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B. The estimated range of $338,296 and $426,394 should be treated as a rough guide.

Comparable Properties (5)

2012 KASS CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 802 sqft Built 2005
Raw Value $310,753
Adjusted Value $426,394

Adjusted +$115,641 for 392 sqft more living space. Net adjustment: +$115,641.

2025 KASS CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,093 sqft Built 2004
Raw Value $333,471
Adjusted Value $361,463

Adjusted +$29,795 for 101 sqft more living space and -$1,803 for being older. Net adjustment: +$27,992.

3 bed 2 bath 1,105 sqft Built 2000
Raw Value $326,801
Adjusted Value $344,040

Adjusted +$26,255 for 89 sqft more living space and -$9,016 for being older. Net adjustment: +$17,239.

3 bed 2 bath 1,105 sqft Built 2000
Raw Value $321,057
Adjusted Value $338,296

Adjusted +$26,255 for 89 sqft more living space and -$9,016 for being older. Net adjustment: +$17,239.

3 bed 2 bath 1,073 sqft Built 2000
Raw Value $317,200
Adjusted Value $343,879

Adjusted +$35,695 for 121 sqft more living space and -$9,016 for being older. Net adjustment: +$26,679.

The Neighborhood

This home is valued 10.7% below the R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B median of $314,414. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.1% over the past year.

R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B

typical
370 Properties
$314,414 Median Value
-8.1% YoY Change
1% Have Pool
100% Have Garage
This Home
$280,831
Median
$314,414

This home is -10.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,053 across all districts. With a homestead exemption claimed, that drops to $3,751 — saving $1,302 per year. That's $313 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%$2,508
Round RockCity0.3720%$1,045
Williamson CountyCounty0.3694%$1,038
Austin Community Collegespecial0.1034%$290
Williamson County FM/RdCounty0.0443%$124
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,053

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $344,040 would pay approximately $2,147 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.

View full property details