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13445 DULLES AVE, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,572 sqftBuilt 1999

Property at a Glance

This home is estimated between $381,736 and $664,265, with a best estimate of $398,804. 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

$381,736 $664,265
Best Estimate
$398,804
WCAD Value
$403,726
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 $381,736 and $664,265. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13441 DULLES AVE, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 926 sqft Built 1998
Raw Value $407,086
Adjusted Value $664,265

Adjusted +$259,027 for 646 sqft more living space and -$1,848 for being older. Net adjustment: +$257,179.

13449 DULLES AVE, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,632 sqft Built 1999
Raw Value $419,035
Adjusted Value $394,977

Adjusted -$24,058 for 60 sqft less living space. Net adjustment: -$24,058.

13437 DULLES AVE, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,651 sqft Built 1998
Raw Value $415,261
Adjusted Value $381,736

Adjusted -$31,677 for 79 sqft less living space and -$1,848 for being older. Net adjustment: -$33,525.

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 $410,040

This comparable closely matches the subject property's features.

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 $398,804

Adjusted -$14,034 for 35 sqft less living space. Net adjustment: -$14,034.

The Neighborhood

This home is valued 10.4% 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
$403,726
Median
$450,810

This home is -10.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,040 across all districts. With a homestead exemption claimed, that drops to $5,715 — saving $1,325 per year. That's $476 per month a buyer should budget. The assessed value increased -3.3% vs the subdivision average of -9.2%. This above-average increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,606
Williamson CountyCounty0.3694%$1,492
North Austin MUD #1MUD0.2165%$874
Austin Community Collegespecial0.1034%$417
Williamson County ESD #1 - Jollyville VFDESD0.1000%$404
Williamson County FM/RdCounty0.0443%$179
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,040
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $398,804 would pay approximately $2,489 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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