8315 CAHILL DR, AUSTIN, TX 78729
AUSTIN, 78729 — williamson County
Property at a Glance
This home is estimated between $415,981 and $470,409, with a best estimate of $446,333. That places the property above the R371X - Round Rock West Below 45 - Duplex median of $419,343, in a neighborhood that declined 8.8% over the past year.
Estimated Value Range
$446,333
$421,680
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R371X - Round Rock West Below 45 - Duplex, this home's estimated market value is between $415,981 and $470,409. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$7,585 for 36 sqft more living space. Net adjustment: +$7,585.
Adjusted +$3,582 for 17 sqft more living space. Net adjustment: +$3,582.
Adjusted +$36,874 for 175 sqft more living space. Net adjustment: +$36,874.
Adjusted +$36,874 for 175 sqft more living space. Net adjustment: +$36,874.
Adjusted +$36,874 for 175 sqft more living space. Net adjustment: +$36,874.
The Neighborhood
This home is in line with the R371X - Round Rock West Below 45 - Duplex median of $419,343. Note that values in this subdivision declined 8.8% over the past year.
R371X - Round Rock West Below 45 - Duplex
typicalThis home is +0.6% above the subdivision median.
Tax Analysis
The estimated annual property tax is $8,228 across all districts. With a homestead exemption claimed, that drops to $6,458 — saving $1,770 per year. That's $538 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% | $3,766 |
| Austin | City | 0.5240% | $2,210 |
| Williamson County | County | 0.3694% | $1,558 |
| Austin Community College | special | 0.1034% | $436 |
| Williamson County FM/Rd | County | 0.0443% | $187 |
| Upper Brushy Creek WCID | Water | 0.0170% | $72 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $8,228 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $446,333 would pay approximately $2,786 per month (principal and interest only, excluding taxes and insurance).