Beta Williamson County, TX only — data and coverage are limited during early access.

13149 MILL STONE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,524 sqftBuilt 1983

Property at a Glance

This home is estimated between $346,450 and $364,534, with a best estimate of $358,515. 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

$346,450 $364,534
Best Estimate
$358,515
WCAD Value
$339,520
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 $346,450 and $364,534. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13147 MILL STONE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,512 sqft Built 1983
Raw Value $343,409
Adjusted Value $346,450

Adjusted +$3,041 for 12 sqft more living space. Net adjustment: +$3,041.

13151 MILL STONE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,685 sqft Built 1983
Raw Value $399,309
Adjusted Value $358,515

Adjusted -$40,794 for 161 sqft less living space. Net adjustment: -$40,794.

13128 MILL STONE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1983
Raw Value $327,045
Adjusted Value $363,531

Adjusted +$36,486 for 144 sqft more living space. Net adjustment: +$36,486.

13155 MILL STONE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1983
Raw Value $328,048
Adjusted Value $364,534

Adjusted +$36,486 for 144 sqft more living space. Net adjustment: +$36,486.

13152 MILL STONE DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,465 sqft Built 1983
Raw Value $333,819
Adjusted Value $348,768

Adjusted +$14,949 for 59 sqft more living space. Net adjustment: +$14,949.

The Neighborhood

This home is valued 2.4% below the R350481H - Anderson Mill Village median of $347,704. That positions it competitively for buyers comparing within the neighborhood. 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
$339,520
Median
$347,704

This home is -2.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,047 across all districts. With a homestead exemption claimed, that drops to $5,378 — saving $1,669 per year. That's $448 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%$3,032
AustinCity0.5240%$1,779
Williamson CountyCounty0.3694%$1,254
Anderson Mill Limited Districtspecial0.1243%$422
Austin Community Collegespecial0.1034%$351
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$7,047

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $358,515 would pay approximately $2,238 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.

View full property details