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16609 DALMAHOY DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,756 sqftBuilt 2004

Property at a Glance

This home is estimated between $498,122 and $809,793, with a best estimate of $720,409. That places the property above 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

$498,122 $809,793
Best Estimate
$720,409
WCAD Value
$633,973
Low Confidence

Based on 5 comparable properties(1 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 $498,122 and $809,793 should be treated as a rough guide.

Comparable Properties (5)

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 $720,409

Adjusted +$270,844 for 884 sqft more living space and -$14,860 for being older. Net adjustment: +$255,984.

3 bed 2 bath 2,281 sqft Built 2004
Raw Value $584,464
Adjusted Value $729,997

Adjusted +$145,533 for 475 sqft more living space. Net adjustment: +$145,533.

3 bed 2 bath 2,513 sqft Built 1992
Raw Value $512,832
Adjusted Value $498,122

Adjusted +$74,451 for 243 sqft more living space and -$89,161 for being older. Net adjustment: -$14,710.

3 bed 2 bath 2,489 sqft Built 1991
Raw Value $534,892
Adjusted Value $520,106

Adjusted +$81,805 for 267 sqft more living space and -$96,591 for being older. Net adjustment: -$14,786.

3 bed 2 bath 2,375 sqft Built 2014
Raw Value $618,761
Adjusted Value $809,793

Adjusted +$116,732 for 381 sqft more living space and +$74,300 for being newer. Net adjustment: +$191,032.

The Neighborhood

This home is valued 20.8% above the R250401D - AVERY RANCH EAST (PH. 1) median of $524,962. With 323 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.2% over the past year.

R250401D - AVERY RANCH EAST (PH. 1)

above average
323 Properties
$524,962 Median Value
-2.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$633,973
Median
$524,962

This home is +20.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,371 across all districts. With a homestead exemption claimed, that drops to $10,339 — saving $2,032 per year. That's $862 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%$5,662
AustinCity0.5240%$3,322
Williamson CountyCounty0.3694%$2,342
Austin Community Collegespecial0.1034%$656
Williamson County FM/RdCounty0.0443%$281
Upper Brushy Creek WCIDWater0.0170%$108
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,371

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $720,409 would pay approximately $4,497 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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