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16513 CASTLETROY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,910 sqftBuilt 2004

Property at a Glance

This home is estimated between $460,281 and $784,611, with a best estimate of $470,795. 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

$460,281 $784,611
Best Estimate
$470,795
WCAD Value
$480,519
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 $460,281 and $784,611 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 $784,611

Adjusted +$223,354 for 729 sqft more living space and -$14,860 for being older. Net adjustment: +$208,494.

3 bed 2 bath 1,919 sqft Built 2005
Raw Value $480,557
Adjusted Value $485,230

Adjusted -$2,757 for 9 sqft less living space and +$7,430 for being newer. Net adjustment: +$4,673.

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 $461,208

Adjusted +$11,643 for 38 sqft more living space and -$14,860 for being older. Net adjustment: -$3,217.

3 bed 2 bath 2,281 sqft Built 2004
Raw Value $584,464
Adjusted Value $470,795

Adjusted -$113,669 for 371 sqft less living space. Net adjustment: -$113,669.

3 bed 2 bath 1,686 sqft Built 1998
Raw Value $436,231
Adjusted Value $460,281

Adjusted +$68,630 for 224 sqft more living space and -$44,580 for being older. Net adjustment: +$24,050.

The Neighborhood

This home is valued 8.5% 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
$480,519
Median
$524,962

This home is -8.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,376 across all districts. With a homestead exemption claimed, that drops to $7,534 — saving $1,842 per year. That's $628 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%$4,292
AustinCity0.5240%$2,518
Williamson CountyCounty0.3694%$1,775
Austin Community Collegespecial0.1034%$497
Williamson County FM/RdCounty0.0443%$213
Upper Brushy Creek WCIDWater0.0170%$82
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$9,376

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $470,795 would pay approximately $2,939 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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