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12100 TANGLEBRIAR TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,832 sqftBuilt 1982

Property at a Glance

This home is estimated between $352,204 and $525,205, with a best estimate of $501,694. 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

$352,204 $525,205
Best Estimate
$501,694
WCAD Value
$390,429
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 $352,204 and $525,205. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

11216 AMETHYST TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,515 sqft Built 1978
Raw Value $427,158
Adjusted Value $525,205

Adjusted +$78,084 for 317 sqft more living space and +$19,963 for being newer. Net adjustment: +$98,047.

11707 BIRCHBARK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,728 sqft Built 1983
Raw Value $387,819
Adjusted Value $408,446

Adjusted +$25,618 for 104 sqft more living space and -$4,991 for being older. Net adjustment: +$20,627.

11700 HARDWOOD TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,560 sqft Built 1981
Raw Value $439,968
Adjusted Value $511,959

Adjusted +$67,000 for 272 sqft more living space and +$4,991 for being newer. Net adjustment: +$71,991.

11710 TANGLEBRIAR TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,910 sqft Built 1984
Raw Value $381,399
Adjusted Value $352,204

Adjusted -$19,213 for 78 sqft less living space and -$9,982 for being older. Net adjustment: -$29,195.

11907 HARDWOOD TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,642 sqft Built 1980
Raw Value $444,911
Adjusted Value $501,694

Adjusted +$46,801 for 190 sqft more living space and +$9,982 for being newer. Net adjustment: +$56,783.

The Neighborhood

This home is in line with the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608. 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
$390,429
Median
$387,608

This home is +0.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,104 across all districts. With a homestead exemption claimed, that drops to $6,372 — saving $1,732 per year. That's $531 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%$3,487
AustinCity0.5240%$2,046
Williamson CountyCounty0.3694%$1,442
Anderson Mill Limited Districtspecial0.1243%$485
Austin Community Collegespecial0.1034%$404
Williamson County FM/RdCounty0.0443%$173
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,104

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $501,694 would pay approximately $3,132 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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