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16216 CASTLETROY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath737 sqftBuilt 2004

Property at a Glance

This home is estimated between $100,892 and $479,862, with a best estimate of $125,841. 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

$100,892 $479,862
Best Estimate
$125,841
WCAD Value
$492,053
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 $100,892 and $479,862 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 $425,222

Adjusted -$136,035 for 444 sqft less living space and -$14,860 for being older. Net adjustment: -$150,895.

16409 CASTLETROY DR, AUSTIN, TX 78717
0.00 mi 93% similar Same subdivision
3 bed 2 bath 1,872 sqft Built 2002
Raw Value $464,425
Adjusted Value $101,819

Adjusted -$347,746 for 1,135 sqft less living space and -$14,860 for being older. Net adjustment: -$362,606.

3 bed 2 bath 1,280 sqft Built 2005
Raw Value $638,799
Adjusted Value $479,862

Adjusted -$166,367 for 543 sqft less living space and +$7,430 for being newer. Net adjustment: -$158,937.

3 bed 2 bath 1,919 sqft Built 2005
Raw Value $480,557
Adjusted Value $125,841

Adjusted -$362,146 for 1,182 sqft less living space and +$7,430 for being newer. Net adjustment: -$354,716.

3 bed 2 bath 1,686 sqft Built 1998
Raw Value $436,231
Adjusted Value $100,892

Adjusted -$290,759 for 949 sqft less living space and -$44,580 for being older. Net adjustment: -$335,339.

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)

typical
323 Properties
$524,962 Median Value
-2.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$492,053
Median
$524,962

This home is -6.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,601 across all districts. With a homestead exemption claimed, that drops to $7,744 — 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

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,395
AustinCity0.5240%$2,578
Williamson CountyCounty0.3694%$1,818
Austin Community Collegespecial0.1034%$509
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$9,601

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $125,841 would pay approximately $785 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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