15509 WHISTLING STRAITS DR, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $511,008 and $915,520, with a best estimate of $837,324. 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
$837,324
$647,670
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 $511,008 and $915,520. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$201,207 for 573 sqft more living space and +$1,393 for being newer. Net adjustment: +$202,600.
Adjusted +$102,535 for 292 sqft more living space and -$2,786 for being older. Net adjustment: +$99,749.
Adjusted -$67,069 for 191 sqft less living space and -$1,393 for being older. Net adjustment: -$68,462.
Adjusted +$191,726 for 546 sqft more living space. Net adjustment: +$191,726.
Adjusted -$132,734 for 378 sqft less living space and +$1,393 for being newer. Net adjustment: -$131,341.
The Neighborhood
This home is valued 8.6% 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
typicalThis home is -8.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $12,638 across all districts. With a homestead exemption claimed, that drops to $10,589 — saving $2,049 per year. That's $882 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% | $5,784 |
| Austin | City | 0.5240% | $3,394 |
| Williamson County | County | 0.3694% | $2,393 |
| Austin Community College | special | 0.1034% | $670 |
| Williamson County FM/Rd | County | 0.0443% | $287 |
| Upper Brushy Creek WCID | Water | 0.0170% | $110 |
| Road District (R02) | Road | 0.0000% | $0 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $12,638 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $837,324 would pay approximately $5,227 per month (principal and interest only, excluding taxes and insurance).