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11301 THORNY BROOK TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath2,608 sqftBuilt 1979

Property at a Glance

This home is estimated between $590,511 and $629,020, with a best estimate of $605,424. That places the property above the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$590,511 $629,020
Best Estimate
$605,424
WCAD Value
$651,529
High Confidence

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

Based on 5 comparable properties in R353476G - Anderson Mill, this home's estimated market value is between $590,511 and $629,020. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

11308 THORNY BROOK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 1981
Raw Value $383,275
Adjusted Value $605,424

Adjusted +$229,902 for 926 sqft more living space and -$7,753 for being older. Net adjustment: +$222,149.

11307 THORNY BROOK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,963 sqft Built 1979
Raw Value $433,806
Adjusted Value $593,943

Adjusted +$160,137 for 645 sqft more living space. Net adjustment: +$160,137.

11402 THORNY BROOK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,684 sqft Built 1981
Raw Value $407,368
Adjusted Value $629,020

Adjusted +$229,405 for 924 sqft more living space and -$7,753 for being older. Net adjustment: +$221,652.

11302 THORNY BROOK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,900 sqft Built 1981
Raw Value $422,486
Adjusted Value $590,511

Adjusted +$175,778 for 708 sqft more living space and -$7,753 for being older. Net adjustment: +$168,025.

11212 THORNY BROOK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,902 sqft Built 1979
Raw Value $433,237
Adjusted Value $608,518

Adjusted +$175,281 for 706 sqft more living space. Net adjustment: +$175,281.

The Neighborhood

This home is valued 59.9% above the R353476G - Anderson Mill median of $407,368. With 1,663 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.2% over the past year.

R353476G - Anderson Mill

outlier high
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$651,529
Median
$407,368

This home is +59.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,523 across all districts. With a homestead exemption claimed, that drops to $11,470 — saving $2,053 per year. That's $956 per month a buyer should budget. The assessed value increased +19.5% vs the subdivision average of +0.2%. This above-average increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,819
AustinCity0.5240%$3,414
Williamson CountyCounty0.3694%$2,407
Anderson Mill Limited Districtspecial0.1243%$810
Austin Community Collegespecial0.1034%$674
Williamson County FM/RdCounty0.0443%$289
Upper Brushy Creek WCIDWater0.0170%$111
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$13,523
95 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $605,424 would pay approximately $3,779 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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