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

13153 MILL STONE DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,002 sqftBuilt 1983

Property at a Glance

This home is estimated between $216,506 and $397,134, with a best estimate of $231,269. 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

$216,506 $397,134
Best Estimate
$231,269
WCAD Value
$400,801
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 $216,506 and $397,134. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13155 MILL STONE DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1983
Raw Value $328,048
Adjusted Value $232,272

Adjusted -$95,776 for 378 sqft less living space. Net adjustment: -$95,776.

13157 MILL STONE DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,447 sqft Built 1983
Raw Value $337,776
Adjusted Value $225,024

Adjusted -$112,752 for 445 sqft less living space. Net adjustment: -$112,752.

13159 MILL STONE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 821 sqft Built 1983
Raw Value $351,273
Adjusted Value $397,134

Adjusted +$45,861 for 181 sqft more living space. Net adjustment: +$45,861.

13152 MILL STONE DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,465 sqft Built 1983
Raw Value $333,819
Adjusted Value $216,506

Adjusted -$117,313 for 463 sqft less living space. Net adjustment: -$117,313.

13128 MILL STONE DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1983
Raw Value $327,045
Adjusted Value $231,269

Adjusted -$95,776 for 378 sqft less living space. Net adjustment: -$95,776.

The Neighborhood

This home is valued 15.3% 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

above average
247 Properties
$347,704 Median Value
-4.9% YoY Change
1% Have Pool
98% Have Garage
This Home
$400,801
Median
$347,704

This home is +15.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,319 across all districts. With a homestead exemption claimed, that drops to $6,575 — saving $1,744 per year. That's $548 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%$3,580
AustinCity0.5240%$2,100
Williamson CountyCounty0.3694%$1,481
Anderson Mill Limited Districtspecial0.1243%$498
Austin Community Collegespecial0.1034%$414
Williamson County FM/RdCounty0.0443%$178
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,319

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $231,269 would pay approximately $1,444 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