15421 WHISTLING STRAITS DR, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $475,739 and $779,679, with a best estimate of $671,879. That places the property below the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.
Estimated Value Range
$671,879
$710,983
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 $475,739 and $779,679. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$85,680 for 244 sqft less living space. Net adjustment: -$85,680.
Adjusted -$61,100 for 174 sqft less living space. Net adjustment: -$61,100.
Adjusted +$36,168 for 103 sqft more living space and -$1,393 for being older. Net adjustment: +$34,775.
Adjusted -$63,206 for 180 sqft less living space and -$4,178 for being older. Net adjustment: -$67,384.
Adjusted -$9,130 for 26 sqft less living space and -$1,393 for being older. Net adjustment: -$10,523.
The Neighborhood
This home is in line with the R251501D - Avery Ranch South median of $708,305. Note that values in this subdivision declined 3.8% over the past year.
R251501D - Avery Ranch South
typicalThis home is +0.4% above the subdivision median.
Tax Analysis
The estimated annual property tax is $13,873 across all districts. With a homestead exemption claimed, that drops to $11,747 — saving $2,126 per year. That's $979 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% | $6,350 |
| Austin | City | 0.5240% | $3,726 |
| Williamson County | County | 0.3694% | $2,627 |
| Austin Community College | special | 0.1034% | $735 |
| Williamson County FM/Rd | County | 0.0443% | $315 |
| Upper Brushy Creek WCID | Water | 0.0170% | $121 |
| Road District (R02) | Road | 0.0000% | $0 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $13,873 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $671,879 would pay approximately $4,194 per month (principal and interest only, excluding taxes and insurance).