128 KULMBACHER DR, AUSTIN, TX 78728
AUSTIN, 78728 — williamson County
Property at a Glance
This home is estimated between $459,087 and $727,635, with a best estimate of $542,237. 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
$542,237
$398,350
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R305419C - TIMMERMANN/KB. The estimated range of $459,087 and $727,635 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$254,039 for 633 sqft more living space. Net adjustment: +$254,039.
Adjusted -$69,028 for 172 sqft less living space. Net adjustment: -$69,028.
Adjusted -$9,632 for 24 sqft less living space. Net adjustment: -$9,632.
Adjusted -$52,574 for 131 sqft less living space. Net adjustment: -$52,574.
Adjusted +$54,580 for 136 sqft more living space. Net adjustment: +$54,580.
The Neighborhood
This home is valued 16.4% 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 averageThis home is -16.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,084 across all districts. With a homestead exemption claimed, that drops to $4,760 — saving $1,324 per year. That's $397 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
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $3,558 |
| Williamson County | County | 0.3694% | $1,472 |
| Austin Community College | special | 0.1034% | $412 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $398 |
| Williamson County FM/Rd | County | 0.0443% | $177 |
| Upper Brushy Creek WCID | Water | 0.0170% | $68 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.5272% | $6,084 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $542,237 would pay approximately $3,385 per month (principal and interest only, excluding taxes and insurance).