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8120 OSBORNE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath2,420 sqftBuilt 1997

Property at a Glance

This home is estimated between $529,584 and $685,241, with a best estimate of $661,870. 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

$529,584 $685,241
Best Estimate
$661,870
WCAD Value
$479,981
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 $529,584 and $685,241. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8124 OSBORNE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,231 sqft Built 1997
Raw Value $453,800
Adjusted Value $529,584

Adjusted +$75,784 for 189 sqft more living space. Net adjustment: +$75,784.

8116 OSBORNE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,842 sqft Built 1997
Raw Value $451,187
Adjusted Value $682,948

Adjusted +$231,761 for 578 sqft more living space. Net adjustment: +$231,761.

8128 OSBORNE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,922 sqft Built 1998
Raw Value $460,338
Adjusted Value $661,870

Adjusted +$199,684 for 498 sqft more living space and +$1,848 for being newer. Net adjustment: +$201,532.

8132 OSBORNE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,814 sqft Built 1997
Raw Value $442,252
Adjusted Value $685,241

Adjusted +$242,989 for 606 sqft more living space. Net adjustment: +$242,989.

8117 OSBORNE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,194 sqft Built 1997
Raw Value $477,278
Adjusted Value $567,898

Adjusted +$90,620 for 226 sqft more living space. Net adjustment: +$90,620.

The Neighborhood

This home is valued 6.5% above the R392593F - Milwood median of $450,810. With 1,330 homes in the subdivision, the property sits in the upper tier. 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
$479,981
Median
$450,810

This home is +6.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,370 across all districts. With a homestead exemption claimed, that drops to $7,031 — saving $1,339 per year. That's $586 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%$4,287
Williamson CountyCounty0.3694%$1,773
North Austin MUD #1MUD0.2165%$1,039
Austin Community Collegespecial0.1034%$496
Williamson County ESD #1 - Jollyville VFDESD0.1000%$480
Williamson County FM/RdCounty0.0443%$213
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$8,370

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $661,870 would pay approximately $4,131 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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