8313 CAHILL DR, AUSTIN, TX 78729
AUSTIN, 78729 — williamson County
Property at a Glance
This home is estimated between $393,474 and $462,823, with a best estimate of $414,743. That places the property below 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
$414,743
$408,396
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 $393,474 and $462,823. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$4,003 for 19 sqft less living space. Net adjustment: -$4,003.
Adjusted -$7,585 for 36 sqft less living space. Net adjustment: -$7,585.
Adjusted -$38,981 for 185 sqft less living space. Net adjustment: -$38,981.
Adjusted +$29,288 for 139 sqft more living space. Net adjustment: +$29,288.
Adjusted +$29,288 for 139 sqft more living space. Net adjustment: +$29,288.
The Neighborhood
This home is valued 2.6% below the R371X - Round Rock West Below 45 - Duplex median of $419,343. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.8% over the past year.
R371X - Round Rock West Below 45 - Duplex
typicalThis home is -2.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,969 across all districts. With a homestead exemption claimed, that drops to $6,215 — saving $1,754 per year. That's $518 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% | $3,647 |
| Austin | City | 0.5240% | $2,140 |
| Williamson County | County | 0.3694% | $1,509 |
| Austin Community College | special | 0.1034% | $422 |
| Williamson County FM/Rd | County | 0.0443% | $181 |
| Upper Brushy Creek WCID | Water | 0.0170% | $69 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $7,969 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $414,743 would pay approximately $2,589 per month (principal and interest only, excluding taxes and insurance).