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13013 IRBY PASS, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,157 sqftBuilt 1985

Property at a Glance

This home is estimated between $328,984 and $553,742, with a best estimate of $431,253. 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

$328,984 $553,742
Best Estimate
$431,253
WCAD Value
$306,639
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 $328,984 and $553,742. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $437,777

Adjusted +$108,859 for 226 sqft more living space. Net adjustment: +$108,859.

13009 IRBY PASS, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,122 sqft Built 1985
Raw Value $326,748
Adjusted Value $343,607

Adjusted +$16,859 for 35 sqft more living space. Net adjustment: +$16,859.

13017 IRBY PASS, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,104 sqft Built 1985
Raw Value $303,455
Adjusted Value $328,984

Adjusted +$25,529 for 53 sqft more living space. Net adjustment: +$25,529.

13019 IRBY PASS, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 947 sqft Built 1985
Raw Value $330,101
Adjusted Value $431,253

Adjusted +$101,152 for 210 sqft more living space. Net adjustment: +$101,152.

13005 IRBY PASS, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 670 sqft Built 1985
Raw Value $319,165
Adjusted Value $553,742

Adjusted +$234,577 for 487 sqft more living space. Net adjustment: +$234,577.

The Neighborhood

This home is valued 8.5% 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
$306,639
Median
$335,104

This home is -8.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,347 across all districts. With a homestead exemption claimed, that drops to $4,040 — saving $1,307 per year. That's $337 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%$2,739
Williamson CountyCounty0.3694%$1,133
North Austin MUD #1MUD0.2165%$664
Austin Community Collegespecial0.1034%$317
Williamson County ESD #1 - Jollyville VFDESD0.1000%$307
Williamson County FM/RdCounty0.0443%$136
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$5,347

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $431,253 would pay approximately $2,692 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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