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16208 CASTLETROY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,830 sqftBuilt 2003

Property at a Glance

This home is estimated between $443,200 and $767,531, with a best estimate of $468,149. 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

$443,200 $767,531
Best Estimate
$468,149
WCAD Value
$495,140
Low Confidence

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 $443,200 and $767,531 should be treated as a rough guide.

Comparable Properties (5)

16425 CASTLETROY DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,181 sqft Built 2002
Raw Value $576,117
Adjusted Value $767,531

Adjusted +$198,844 for 649 sqft more living space and -$7,430 for being older. Net adjustment: +$191,414.

3 bed 2 bath 1,919 sqft Built 2005
Raw Value $480,557
Adjusted Value $468,149

Adjusted -$27,268 for 89 sqft less living space and +$14,860 for being newer. Net adjustment: -$12,408.

16409 CASTLETROY DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,872 sqft Built 2002
Raw Value $464,425
Adjusted Value $444,127

Adjusted -$12,868 for 42 sqft less living space and -$7,430 for being older. Net adjustment: -$20,298.

15823 DORMAN DR, AUSTIN, TX 78717
0.00 mi 100% similar
3 bed 2 bath 1,686 sqft Built 1998
Raw Value $436,231
Adjusted Value $443,200

Adjusted +$44,119 for 144 sqft more living space and -$37,150 for being older. Net adjustment: +$6,969.

4 bed 2 bath 1,770 sqft Built 1998
Raw Value $606,762
Adjusted Value $587,995

Adjusted +$18,383 for 60 sqft more living space and -$37,150 for being older. Net adjustment: -$18,767.

The Neighborhood

This home is valued 5.7% 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)

typical
323 Properties
$524,962 Median Value
-2.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$495,140
Median
$524,962

This home is -5.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,662 across all districts. With a homestead exemption claimed, that drops to $7,801 — saving $1,861 per year. That's $650 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

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,422
AustinCity0.5240%$2,595
Williamson CountyCounty0.3694%$1,829
Austin Community Collegespecial0.1034%$512
Williamson County FM/RdCounty0.0443%$219
Upper Brushy Creek WCIDWater0.0170%$84
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$9,662

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $468,149 would pay approximately $2,922 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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