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13009 IRBY PASS, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,122 sqftBuilt 1985

Property at a Glance

This home is estimated between $289,780 and $605,052, with a best estimate of $420,918. That places the property above the R390485G - Milwood Sec 28 & 29 median of $335,104, in a neighborhood that declined 8.3% over the past year.

Estimated Value Range

$289,780 $605,052
Best Estimate
$420,918
WCAD Value
$326,748
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R390485G - Milwood Sec 28 & 29, this home's estimated market value is between $289,780 and $605,052. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13007 IRBY PASS, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 655 sqft Built 1985
Raw Value $380,109
Adjusted Value $605,052

Adjusted +$224,943 for 467 sqft more living space. Net adjustment: +$224,943.

13011 IRBY PASS, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 931 sqft Built 1985
Raw Value $328,918
Adjusted Value $420,918

Adjusted +$92,000 for 191 sqft more living space. Net adjustment: +$92,000.

13005 IRBY PASS, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 670 sqft Built 1985
Raw Value $319,165
Adjusted Value $536,883

Adjusted +$217,718 for 452 sqft more living space. Net adjustment: +$217,718.

13013 IRBY PASS, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,157 sqft Built 1985
Raw Value $306,639
Adjusted Value $289,780

Adjusted -$16,859 for 35 sqft less living space. Net adjustment: -$16,859.

13003 IRBY PASS, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,157 sqft Built 1985
Raw Value $325,671
Adjusted Value $308,812

Adjusted -$16,859 for 35 sqft less living space. Net adjustment: -$16,859.

The Neighborhood

This home is valued 2.5% below the R390485G - Milwood Sec 28 & 29 median of $335,104. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.3% over the past year.

R390485G - Milwood Sec 28 & 29

typical
358 Properties
$335,104 Median Value
-8.3% YoY Change
0% Have Pool
97% Have Garage
This Home
$326,748
Median
$335,104

This home is -2.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,698 across all districts. With a homestead exemption claimed, that drops to $4,387 — saving $1,311 per year. That's $366 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%$2,918
Williamson CountyCounty0.3694%$1,207
North Austin MUD #1MUD0.2165%$707
Austin Community Collegespecial0.1034%$338
Williamson County ESD #1 - Jollyville VFDESD0.1000%$327
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$5,698

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $420,918 would pay approximately $2,627 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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