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12100 MILL HOLLOW, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath2,203 sqftBuilt 1980

Property at a Glance

This home is estimated between $499,755 and $588,432, with a best estimate of $545,347. That places the property above the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608, in a neighborhood that declined 7.3% over the past year.

Estimated Value Range

$499,755 $588,432
Best Estimate
$545,347
WCAD Value
$410,350
High Confidence

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

Based on 5 comparable properties in R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD, this home's estimated market value is between $499,755 and $588,432. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12105 MILL HOLLOW, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,365 sqft Built 1980
Raw Value $378,807
Adjusted Value $585,225

Adjusted +$206,418 for 838 sqft more living space. Net adjustment: +$206,418.

12108 MILL HOLLOW, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,510 sqft Built 1980
Raw Value $374,646
Adjusted Value $545,347

Adjusted +$170,701 for 693 sqft more living space. Net adjustment: +$170,701.

12106 MILL HOLLOW, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,468 sqft Built 1980
Raw Value $350,080
Adjusted Value $531,127

Adjusted +$181,047 for 735 sqft more living space. Net adjustment: +$181,047.

12101 MILL HOLLOW, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,680 sqft Built 1980
Raw Value $370,929
Adjusted Value $499,755

Adjusted +$128,826 for 523 sqft more living space. Net adjustment: +$128,826.

12102 MILL HOLLOW, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,476 sqft Built 1980
Raw Value $409,356
Adjusted Value $588,432

Adjusted +$179,076 for 727 sqft more living space. Net adjustment: +$179,076.

The Neighborhood

This home is valued 5.9% above the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608. With 834 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.3% over the past year.

R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD

typical
834 Properties
$387,608 Median Value
-7.3% YoY Change
2% Have Pool
97% Have Garage
This Home
$410,350
Median
$387,608

This home is +5.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,517 across all districts. With a homestead exemption claimed, that drops to $6,761 — saving $1,756 per year. That's $563 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%$3,665
AustinCity0.5240%$2,150
Williamson CountyCounty0.3694%$1,516
Anderson Mill Limited Districtspecial0.1243%$510
Austin Community Collegespecial0.1034%$424
Williamson County FM/RdCounty0.0443%$182
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,517

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $545,347 would pay approximately $3,404 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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