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13143 MILL STONE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath765 sqftBuilt 1983

Property at a Glance

This home is estimated between $182,602 and $402,815, with a best estimate of $338,012. That places the property below the R350481H - Anderson Mill Village median of $347,704, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$182,602 $402,815
Best Estimate
$338,012
WCAD Value
$358,388
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 $182,602 and $402,815. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13145 MILL STONE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 852 sqft Built 1983
Raw Value $360,056
Adjusted Value $338,012

Adjusted -$22,044 for 87 sqft less living space. Net adjustment: -$22,044.

13139 MILL STONE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 756 sqft Built 1983
Raw Value $343,175
Adjusted Value $345,455

Adjusted +$2,280 for 9 sqft more living space. Net adjustment: +$2,280.

13137 MILL STONE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,312 sqft Built 1983
Raw Value $321,199
Adjusted Value $182,602

Adjusted -$138,597 for 547 sqft less living space. Net adjustment: -$138,597.

13126 MILL STONE DR, AUSTIN, TX 78729
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,312 sqft Built 1983
Raw Value $321,199
Adjusted Value $182,602

Adjusted -$138,597 for 547 sqft less living space. Net adjustment: -$138,597.

13150 MILL STONE DR, AUSTIN, TX 78729
0.06 mi 100% similar Same subdivision
3 bed 2 bath 581 sqft Built 1983
Raw Value $356,194
Adjusted Value $402,815

Adjusted +$46,621 for 184 sqft more living space. Net adjustment: +$46,621.

The Neighborhood

This home is valued 3.1% 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
$358,388
Median
$347,704

This home is +3.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,439 across all districts. With a homestead exemption claimed, that drops to $5,747 — saving $1,692 per year. That's $479 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%$3,201
AustinCity0.5240%$1,878
Williamson CountyCounty0.3694%$1,324
Anderson Mill Limited Districtspecial0.1243%$446
Austin Community Collegespecial0.1034%$371
Williamson County FM/RdCounty0.0443%$159
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$7,439

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $338,012 would pay approximately $2,110 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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