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13505 DULLES AVE, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath907 sqftBuilt 1999

Property at a Glance

This home is estimated between $389,781 and $464,976, with a best estimate of $416,669. 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

$389,781 $464,976
Best Estimate
$416,669
WCAD Value
$410,950
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 $389,781 and $464,976. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13501 DULLES AVE, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 728 sqft Built 1999
Raw Value $393,202
Adjusted Value $464,976

Adjusted +$71,774 for 179 sqft more living space. Net adjustment: +$71,774.

13517 DULLES AVE, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 920 sqft Built 1999
Raw Value $455,195
Adjusted Value $449,982

Adjusted -$5,213 for 13 sqft less living space. Net adjustment: -$5,213.

13508 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,006 sqft Built 1999
Raw Value $439,804
Adjusted Value $400,108

Adjusted -$39,696 for 99 sqft less living space. Net adjustment: -$39,696.

13500 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 857 sqft Built 1998
Raw Value $398,468
Adjusted Value $416,669

Adjusted +$20,049 for 50 sqft more living space and -$1,848 for being older. Net adjustment: +$18,201.

13521 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 990 sqft Built 1999
Raw Value $423,062
Adjusted Value $389,781

Adjusted -$33,281 for 83 sqft less living space. Net adjustment: -$33,281.

The Neighborhood

This home is valued 8.8% 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
$410,950
Median
$450,810

This home is -8.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,166 across all districts. With a homestead exemption claimed, that drops to $5,840 — saving $1,326 per year. That's $487 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%$3,670
Williamson CountyCounty0.3694%$1,518
North Austin MUD #1MUD0.2165%$890
Austin Community Collegespecial0.1034%$425
Williamson County ESD #1 - Jollyville VFDESD0.1000%$411
Williamson County FM/RdCounty0.0443%$182
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,166

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $416,669 would pay approximately $2,601 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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