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12109 ACORN CREEK TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,668 sqftBuilt 1977

Property at a Glance

This home is estimated between $424,756 and $476,229, with a best estimate of $425,185. 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

$424,756 $476,229
Best Estimate
$425,185
WCAD Value
$444,961
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 $424,756 and $476,229. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12107 ACORN CREEK TRL, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,410 sqft Built 1977
Raw Value $361,634
Adjusted Value $425,185

Adjusted +$63,551 for 258 sqft more living space. Net adjustment: +$63,551.

12111 ACORN CREEK TRL, AUSTIN, TX 78750
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,425 sqft Built 1977
Raw Value $364,900
Adjusted Value $424,756

Adjusted +$59,856 for 243 sqft more living space. Net adjustment: +$59,856.

12105 ACORN CREEK TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,425 sqft Built 1977
Raw Value $364,900
Adjusted Value $424,756

Adjusted +$59,856 for 243 sqft more living space. Net adjustment: +$59,856.

12106 GREY ROCK LN, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,668 sqft Built 1977
Raw Value $446,443
Adjusted Value $446,443

This comparable closely matches the subject property's features.

12113 ACORN CREEK TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,410 sqft Built 1977
Raw Value $412,678
Adjusted Value $476,229

Adjusted +$63,551 for 258 sqft more living space. Net adjustment: +$63,551.

The Neighborhood

This home is valued 14.8% 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
$444,961
Median
$387,608

This home is +14.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,236 across all districts. With a homestead exemption claimed, that drops to $7,437 — saving $1,799 per year. That's $620 per month a buyer should budget. The assessed value increased -1.4% vs the subdivision average of -7.3%. This above-average increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,974
AustinCity0.5240%$2,332
Williamson CountyCounty0.3694%$1,644
Anderson Mill Limited Districtspecial0.1243%$553
Austin Community Collegespecial0.1034%$460
Williamson County FM/RdCounty0.0443%$197
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$9,236
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $425,185 would pay approximately $2,654 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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