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8321 OSBORNE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath947 sqftBuilt 1998

Property at a Glance

This home is estimated between $132,977 and $489,553, with a best estimate of $447,163. 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

$132,977 $489,553
Best Estimate
$447,163
WCAD Value
$413,996
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 $132,977 and $489,553. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8325 OSBORNE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 857 sqft Built 1998
Raw Value $451,553
Adjusted Value $487,640

Adjusted +$36,087 for 90 sqft more living space. Net adjustment: +$36,087.

8317 OSBORNE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 698 sqft Built 1998
Raw Value $389,711
Adjusted Value $489,553

Adjusted +$99,842 for 249 sqft more living space. Net adjustment: +$99,842.

8313 OSBORNE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 954 sqft Built 1998
Raw Value $412,573
Adjusted Value $409,766

Adjusted -$2,807 for 7 sqft less living space. Net adjustment: -$2,807.

8329 OSBORNE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,651 sqft Built 1998
Raw Value $415,261
Adjusted Value $132,977

Adjusted -$282,284 for 704 sqft less living space. Net adjustment: -$282,284.

8326 OSBORNE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 886 sqft Built 1998
Raw Value $422,704
Adjusted Value $447,163

Adjusted +$24,459 for 61 sqft more living space. Net adjustment: +$24,459.

The Neighborhood

This home is valued 8.2% 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
$413,996
Median
$450,810

This home is -8.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,219 across all districts. With a homestead exemption claimed, that drops to $5,892 — saving $1,327 per year. That's $491 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%$3,697
Williamson CountyCounty0.3694%$1,529
North Austin MUD #1MUD0.2165%$896
Austin Community Collegespecial0.1034%$428
Williamson County ESD #1 - Jollyville VFDESD0.1000%$414
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7438%$7,219

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $447,163 would pay approximately $2,791 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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