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108 KULMBACHER DR, AUSTIN, TX 78728

AUSTIN, 78728 — williamson County

4 bed3 bath1,129 sqftBuilt 2019

Property at a Glance

This home is estimated between $413,796 and $485,876, with a best estimate of $438,392. That places the property below the R305419C - TIMMERMANN/KB median of $476,646, in a neighborhood that declined 4.8% over the past year.

Estimated Value Range

$413,796 $485,876
Best Estimate
$438,392
WCAD Value
$474,603
High Confidence

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

Based on 5 comparable properties in R305419C - TIMMERMANN/KB, this home's estimated market value is between $413,796 and $485,876. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

109 SCHNEIDER DR, AUSTIN, TX 78728
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,293 sqft Built 2019
Raw Value $479,613
Adjusted Value $413,796

Adjusted -$65,817 for 164 sqft less living space. Net adjustment: -$65,817.

309 ESPRESSO DR, AUSTIN, TX 78728
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,326 sqft Built 2020
Raw Value $541,233
Adjusted Value $462,172

Adjusted -$79,061 for 197 sqft less living space. Net adjustment: -$79,061.

104 ESPRESSO DR, AUSTIN, TX 78728
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,340 sqft Built 2021
Raw Value $523,072
Adjusted Value $438,392

Adjusted -$84,680 for 211 sqft less living space. Net adjustment: -$84,680.

316 LEIPZIGER DR, AUSTIN, TX 78728
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,261 sqft Built 2019
Raw Value $480,936
Adjusted Value $427,961

Adjusted -$52,975 for 132 sqft less living space. Net adjustment: -$52,975.

177 KULMBACHER DR, AUSTIN, TX 78728
0.00 mi 100% similar Same subdivision
4 bed 1,106 sqft Built 2020
Raw Value $476,646
Adjusted Value $485,876

Adjusted +$9,230 for 23 sqft more living space. Net adjustment: +$9,230.

The Neighborhood

This home is in line with the R305419C - TIMMERMANN/KB median of $476,646. Note that values in this subdivision declined 4.8% over the past year.

R305419C - TIMMERMANN/KB

typical
143 Properties
$476,646 Median Value
-4.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$474,603
Median
$476,646

This home is -0.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,248 across all districts. With a homestead exemption claimed, that drops to $5,910 — saving $1,338 per year. That's $493 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%$4,239
Williamson CountyCounty0.3694%$1,753
Austin Community Collegespecial0.1034%$491
Williamson County ESD #9 - Round RockESD0.0999%$474
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$7,248

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $438,392 would pay approximately $2,736 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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