16520 CASTLETROY DR, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $410,736 and $735,066, with a best estimate of $435,684. 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
$435,684
$491,964
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 $410,736 and $735,066 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$211,712 for 691 sqft more living space and +$7,430 for being newer and -$60,193 for no garage. Net adjustment: +$158,949.
Adjusted -$14,400 for 47 sqft less living space and +$29,720 for being newer and -$60,193 for no garage. Net adjustment: -$44,873.
Adjusted +$7,430 for being newer and -$60,193 for no garage. Net adjustment: -$52,763.
Adjusted +$56,988 for 186 sqft more living space and -$22,290 for being older and -$60,193 for no garage. Net adjustment: -$25,495.
Adjusted +$31,251 for 102 sqft more living space and -$22,290 for being older and -$60,193 for no garage. Net adjustment: -$51,232.
The Neighborhood
This home is valued 6.3% 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 -6.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,600 across all districts. With a homestead exemption claimed, that drops to $7,743 — saving $1,857 per year. That's $645 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% | $4,394 |
| Austin | City | 0.5240% | $2,578 |
| Williamson County | County | 0.3694% | $1,818 |
| 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% | $9,600 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $435,684 would pay approximately $2,720 per month (principal and interest only, excluding taxes and insurance).