16509 CASTLETROY DR, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $163,402 and $541,446, with a best estimate of $478,353. That places the property below the R250401D - AVERY RANCH EAST (PH. 1) median of $524,962, in a neighborhood that declined 2.2% over the past year.
Estimated Value Range
$478,353
$492,645
Based on 5 comparable properties(2 in the same subdivision)
There are 5 comparable properties within range, but few are in R250401D - AVERY RANCH EAST (PH. 1). The estimated range of $163,402 and $541,446 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$74,451 for 243 sqft less living space and -$14,860 for being older. Net adjustment: -$89,311.
Adjusted -$286,163 for 934 sqft less living space and -$14,860 for being older. Net adjustment: -$301,023.
Adjusted -$104,783 for 342 sqft less living space and +$7,430 for being newer. Net adjustment: -$97,353.
Adjusted -$93,447 for 305 sqft less living space and -$81,731 for being older. Net adjustment: -$175,178.
Adjusted -$117,652 for 384 sqft less living space and -$59,440 for being older. Net adjustment: -$177,092.
The Neighborhood
This home is valued 6.2% below the R250401D - AVERY RANCH EAST (PH. 1) median of $524,962. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.2% over the past year.
R250401D - AVERY RANCH EAST (PH. 1)
typicalThis home is -6.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,613 across all districts. With a homestead exemption claimed, that drops to $7,755 — saving $1,858 per year. That's $646 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% | $4,400 |
| Austin | City | 0.5240% | $2,582 |
| Williamson County | County | 0.3694% | $1,820 |
| Austin Community College | special | 0.1034% | $509 |
| Williamson County FM/Rd | County | 0.0443% | $218 |
| Upper Brushy Creek WCID | Water | 0.0170% | $84 |
| Road District (R02) | Road | 0.0000% | $0 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $9,613 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $478,353 would pay approximately $2,986 per month (principal and interest only, excluding taxes and insurance).