Beta Williamson County, TX only — data and coverage are limited during early access.

13513 DULLES AVE, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,654 sqftBuilt 1999

Property at a Glance

This home is estimated between $412,660 and $712,591, with a best estimate of $419,310. 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

$412,660 $712,591
Best Estimate
$419,310
WCAD Value
$411,487
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 $412,660 and $712,591. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8301 DULAC DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,654 sqft Built 1999
Raw Value $417,446
Adjusted Value $417,446

This comparable closely matches the subject property's features.

13525 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,005 sqft Built 2000
Raw Value $421,312
Adjusted Value $683,390

Adjusted +$260,230 for 649 sqft more living space and +$1,848 for being newer. Net adjustment: +$262,078.

13504 DULLES AVE, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,657 sqft Built 1998
Raw Value $415,711
Adjusted Value $412,660

Adjusted -$1,203 for 3 sqft less living space and -$1,848 for being older. Net adjustment: -$3,051.

13533 DULLES AVE, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 971 sqft Built 1999
Raw Value $438,728
Adjusted Value $712,591

Adjusted +$273,863 for 683 sqft more living space. Net adjustment: +$273,863.

8140 OSBORNE DR, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 1,664 sqft Built 2000
Raw Value $421,472
Adjusted Value $419,310

Adjusted -$4,010 for 10 sqft less living space and +$1,848 for being newer. Net adjustment: -$2,162.

The Neighborhood

This home is valued 8.7% 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
$411,487
Median
$450,810

This home is -8.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,175 across all districts. With a homestead exemption claimed, that drops to $5,849 — 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%$3,675
Williamson CountyCounty0.3694%$1,520
North Austin MUD #1MUD0.2165%$891
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%$7,175

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $419,310 would pay approximately $2,617 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.

View full property details