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173 KULMBACHER DR, AUSTIN, TX 78728

AUSTIN, 78728 — williamson County

3 bed2 bath1,734 sqftBuilt 2019

Property at a Glance

This home is estimated between $414,024 and $776,538, with a best estimate of $695,356. That places the property above the R305419C - TIMMERMANN/KB median of $476,646, in a neighborhood that declined 4.8% over the past year.

Estimated Value Range

$414,024 $776,538
Best Estimate
$695,356
WCAD Value
$395,953
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 $414,024 and $776,538. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

164 KULMBACHER DR, AUSTIN, TX 78728
0.13 mi 100% similar Same subdivision
3 bed 2 bath 1,723 sqft Built 2020
Raw Value $409,609
Adjusted Value $414,024

Adjusted +$4,415 for 11 sqft more living space. Net adjustment: +$4,415.

169 KULMBACHER DR, AUSTIN, TX 78728
0.13 mi 100% similar Same subdivision
3 bed 2 bath 1,664 sqft Built 2019
Raw Value $393,063
Adjusted Value $421,156

Adjusted +$28,093 for 70 sqft more living space. Net adjustment: +$28,093.

201 SCHNEIDER DR, AUSTIN, TX 78728
0.40 mi 90% similar Same subdivision
3 bed 2 bath 944 sqft Built 2019
Raw Value $459,491
Adjusted Value $776,538

Adjusted +$317,047 for 790 sqft more living space. Net adjustment: +$317,047.

160 KULMBACHER DR, AUSTIN, TX 78728
0.29 mi 90% similar Same subdivision
4 bed 3 bath 1,331 sqft Built 2020
Raw Value $533,622
Adjusted Value $695,356

Adjusted +$161,734 for 403 sqft more living space. Net adjustment: +$161,734.

204 ESPRESSO DR, AUSTIN, TX 78728
0.40 mi 88% similar Same subdivision
4 bed 2 bath 953 sqft Built 2020
Raw Value $410,231
Adjusted Value $723,666

Adjusted +$313,435 for 781 sqft more living space. Net adjustment: +$313,435.

The Neighborhood

This home is valued 16.9% below the R305419C - TIMMERMANN/KB median of $476,646. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.8% over the past year.

R305419C - TIMMERMANN/KB

below average
143 Properties
$476,646 Median Value
-4.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$395,953
Median
$476,646

This home is -16.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,047 across all districts. With a homestead exemption claimed, that drops to $4,723 — saving $1,324 per year. That's $394 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%$3,536
Williamson CountyCounty0.3694%$1,463
Austin Community Collegespecial0.1034%$409
Williamson County ESD #9 - Round RockESD0.0999%$396
Williamson County FM/RdCounty0.0443%$176
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$6,047

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $695,356 would pay approximately $4,340 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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