15428 WHISTLING STRAITS DR, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $412,182 and $865,359, with a best estimate of $717,630. That places the property above the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.
Estimated Value Range
$717,630
$562,673
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R251501D - Avery Ranch South, this home's estimated market value is between $412,182 and $865,359. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$121,848 for 347 sqft more living space and -$1,393 for being older. Net adjustment: +$120,455.
Adjusted +$24,580 for 70 sqft more living space. Net adjustment: +$24,580.
Adjusted -$99,375 for 283 sqft less living space and -$1,393 for being older. Net adjustment: -$100,768.
Adjusted -$225,085 for 641 sqft less living space and -$2,786 for being older. Net adjustment: -$227,871.
Adjusted +$85,680 for 244 sqft more living space. Net adjustment: +$85,680.
The Neighborhood
This home is valued 20.6% below the R251501D - Avery Ranch South median of $708,305. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.8% over the past year.
R251501D - Avery Ranch South
below averageThis home is -20.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $10,979 across all districts. With a homestead exemption claimed, that drops to $9,035 — saving $1,944 per year. That's $753 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% | $5,025 |
| Austin | City | 0.5240% | $2,949 |
| Williamson County | County | 0.3694% | $2,079 |
| Austin Community College | special | 0.1034% | $582 |
| Williamson County FM/Rd | County | 0.0443% | $249 |
| Upper Brushy Creek WCID | Water | 0.0170% | $96 |
| Road District (R02) | Road | 0.0000% | $0 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $10,979 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $717,630 would pay approximately $4,479 per month (principal and interest only, excluding taxes and insurance).