15521 WHISTLING STRAITS DR, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $355,910 and $754,546, with a best estimate of $571,176. 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
$571,176
$701,261
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 $355,910 and $754,546. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$233,864 for 666 sqft less living space and -$1,393 for being older. Net adjustment: -$235,257.
Adjusted +$34,412 for 98 sqft more living space. Net adjustment: +$34,412.
Adjusted -$184,352 for 525 sqft less living space and -$1,393 for being older. Net adjustment: -$185,745.
Adjusted -$303,391 for 864 sqft less living space. Net adjustment: -$303,391.
Adjusted +$16,855 for 48 sqft more living space. Net adjustment: +$16,855.
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 -1.0% below the subdivision median.
Tax Analysis
The estimated annual property tax is $13,684 across all districts. With a homestead exemption claimed, that drops to $11,569 — saving $2,115 per year. That's $964 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% | $6,263 |
| Austin | City | 0.5240% | $3,675 |
| Williamson County | County | 0.3694% | $2,591 |
| Austin Community College | special | 0.1034% | $725 |
| Williamson County FM/Rd | County | 0.0443% | $311 |
| Upper Brushy Creek WCID | Water | 0.0170% | $119 |
| Road District (R02) | Road | 0.0000% | $0 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $13,684 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $571,176 would pay approximately $3,565 per month (principal and interest only, excluding taxes and insurance).