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13123 MILL STONE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,685 sqftBuilt 1983

Property at a Glance

This home is estimated between $359,687 and $493,426, with a best estimate of $463,789. That places the property above the R350481H - Anderson Mill Village median of $347,704, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$359,687 $493,426
Best Estimate
$463,789
WCAD Value
$398,897
High Confidence

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

Based on 5 comparable properties in R350481H - Anderson Mill Village, this home's estimated market value is between $359,687 and $493,426. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13125 MILL STONE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,651 sqft Built 1983
Raw Value $351,072
Adjusted Value $359,687

Adjusted +$8,615 for 34 sqft more living space. Net adjustment: +$8,615.

13121 MILL STONE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1983
Raw Value $388,348
Adjusted Value $465,628

Adjusted +$77,280 for 305 sqft more living space. Net adjustment: +$77,280.

13119 MILL STONE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,400 sqft Built 1983
Raw Value $421,214
Adjusted Value $493,426

Adjusted +$72,212 for 285 sqft more living space. Net adjustment: +$72,212.

13127 MILL STONE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
2 bed 2 bath 1,380 sqft Built 1983
Raw Value $332,339
Adjusted Value $409,619

Adjusted +$77,280 for 305 sqft more living space. Net adjustment: +$77,280.

13129 MILL STONE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,232 sqft Built 1983
Raw Value $349,010
Adjusted Value $463,789

Adjusted +$114,779 for 453 sqft more living space. Net adjustment: +$114,779.

The Neighborhood

This home is valued 14.7% above the R350481H - Anderson Mill Village median of $347,704. With 247 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.9% over the past year.

R350481H - Anderson Mill Village

typical
247 Properties
$347,704 Median Value
-4.9% YoY Change
1% Have Pool
98% Have Garage
This Home
$398,897
Median
$347,704

This home is +14.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,280 across all districts. With a homestead exemption claimed, that drops to $6,538 — saving $1,742 per year. That's $545 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%$3,563
AustinCity0.5240%$2,090
Williamson CountyCounty0.3694%$1,474
Anderson Mill Limited Districtspecial0.1243%$496
Austin Community Collegespecial0.1034%$412
Williamson County FM/RdCounty0.0443%$177
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,280

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $463,789 would pay approximately $2,895 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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