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13449 DULLES AVE, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,632 sqftBuilt 1999

Property at a Glance

This home is estimated between $405,753 and $434,098, with a best estimate of $422,862. That places the property below the R392593F - Milwood median of $450,810, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$405,753 $434,098
Best Estimate
$422,862
WCAD Value
$419,035
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R392593F - Milwood, this home's estimated market value is between $405,753 and $434,098. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13445 DULLES AVE, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,572 sqft Built 1999
Raw Value $403,726
Adjusted Value $427,784

Adjusted +$24,058 for 60 sqft more living space. Net adjustment: +$24,058.

8301 OSBORNE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,572 sqft Built 1999
Raw Value $410,040
Adjusted Value $434,098

Adjusted +$24,058 for 60 sqft more living space. Net adjustment: +$24,058.

13437 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,651 sqft Built 1998
Raw Value $415,261
Adjusted Value $405,795

Adjusted -$7,618 for 19 sqft less living space and -$1,848 for being older. Net adjustment: -$9,466.

8305 OSBORNE DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,657 sqft Built 1999
Raw Value $415,777
Adjusted Value $405,753

Adjusted -$10,024 for 25 sqft less living space. Net adjustment: -$10,024.

13433 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,607 sqft Built 1999
Raw Value $412,838
Adjusted Value $422,862

Adjusted +$10,024 for 25 sqft more living space. Net adjustment: +$10,024.

The Neighborhood

This home is valued 7.0% below the R392593F - Milwood median of $450,810. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.2% over the past year.

R392593F - Milwood

typical
1,330 Properties
$450,810 Median Value
-9.2% YoY Change
2% Have Pool
100% Have Garage
This Home
$419,035
Median
$450,810

This home is -7.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,307 across all districts. With a homestead exemption claimed, that drops to $5,979 — saving $1,328 per year. That's $498 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%$3,742
Williamson CountyCounty0.3694%$1,548
North Austin MUD #1MUD0.2165%$907
Austin Community Collegespecial0.1034%$433
Williamson County ESD #1 - Jollyville VFDESD0.1000%$419
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,307

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $422,862 would pay approximately $2,639 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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