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13508 DULLES AVE, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,006 sqftBuilt 1999

Property at a Glance

This home is estimated between $247,428 and $543,274, with a best estimate of $456,097. That places the property above the R392593F - Milwood median of $450,810, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$247,428 $543,274
Best Estimate
$456,097
WCAD Value
$439,804
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 $247,428 and $543,274. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8305 DULAC DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 883 sqft Built 1999
Raw Value $401,981
Adjusted Value $451,300

Adjusted +$49,319 for 123 sqft more living space. Net adjustment: +$49,319.

13500 DULLES AVE, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 857 sqft Built 1998
Raw Value $398,468
Adjusted Value $456,365

Adjusted +$59,745 for 149 sqft more living space and -$1,848 for being older. Net adjustment: +$57,897.

8309 DULAC DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 709 sqft Built 1999
Raw Value $424,186
Adjusted Value $543,274

Adjusted +$119,088 for 297 sqft more living space. Net adjustment: +$119,088.

8310 OSBORNE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,351 sqft Built 1999
Raw Value $385,763
Adjusted Value $247,428

Adjusted -$138,335 for 345 sqft less living space. Net adjustment: -$138,335.

8313 DULAC DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 883 sqft Built 1999
Raw Value $406,778
Adjusted Value $456,097

Adjusted +$49,319 for 123 sqft more living space. Net adjustment: +$49,319.

The Neighborhood

This home is valued 2.4% 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
$439,804
Median
$450,810

This home is -2.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,669 across all districts. With a homestead exemption claimed, that drops to $6,338 — saving $1,331 per year. That's $528 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%$3,928
Williamson CountyCounty0.3694%$1,625
North Austin MUD #1MUD0.2165%$952
Austin Community Collegespecial0.1034%$455
Williamson County ESD #1 - Jollyville VFDESD0.1000%$440
Williamson County FM/RdCounty0.0443%$195
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,669

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $456,097 would pay approximately $2,847 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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