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13501 DULLES AVE, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath728 sqftBuilt 1999

Property at a Glance

This home is estimated between $318,008 and $378,209, with a best estimate of $339,176. 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

$318,008 $378,209
Best Estimate
$339,176
WCAD Value
$393,202
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 $318,008 and $378,209. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13505 DULLES AVE, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 907 sqft Built 1999
Raw Value $410,950
Adjusted Value $339,176

Adjusted -$71,774 for 179 sqft less living space. Net adjustment: -$71,774.

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 $328,334

Adjusted -$111,470 for 278 sqft less living space. Net adjustment: -$111,470.

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 $344,895

Adjusted -$51,725 for 129 sqft less living space and -$1,848 for being older. Net adjustment: -$53,573.

13517 DULLES AVE, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 920 sqft Built 1999
Raw Value $455,195
Adjusted Value $378,209

Adjusted -$76,986 for 192 sqft less living space. Net adjustment: -$76,986.

13521 DULLES AVE, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 2 bath 990 sqft Built 1999
Raw Value $423,062
Adjusted Value $318,008

Adjusted -$105,054 for 262 sqft less living space. Net adjustment: -$105,054.

The Neighborhood

This home is valued 12.8% 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
$393,202
Median
$450,810

This home is -12.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,857 across all districts. With a homestead exemption claimed, that drops to $5,534 — saving $1,323 per year. That's $461 per month a buyer should budget. The assessed value increased -1.5% vs the subdivision average of -9.2%. This above-average increase gives a protest opportunity score of 39 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,512
Williamson CountyCounty0.3694%$1,453
North Austin MUD #1MUD0.2165%$851
Austin Community Collegespecial0.1034%$407
Williamson County ESD #1 - Jollyville VFDESD0.1000%$393
Williamson County FM/RdCounty0.0443%$174
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$6,857
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $339,176 would pay approximately $2,117 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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