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11203 THORNY BROOK TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,380 sqftBuilt 1979

Property at a Glance

This home is estimated between $289,062 and $551,279, with a best estimate of $324,140. That places the property below the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$289,062 $551,279
Best Estimate
$324,140
WCAD Value
$521,266
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 $289,062 and $551,279. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

11305 THORNY BROOK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,476 sqft Built 1979
Raw Value $453,315
Adjusted Value $429,481

Adjusted -$23,834 for 96 sqft less living space. Net adjustment: -$23,834.

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 $300,543

Adjusted -$74,979 for 302 sqft less living space and -$7,753 for being older. Net adjustment: -$82,732.

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 $289,062

Adjusted -$144,744 for 583 sqft less living space. Net adjustment: -$144,744.

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 $324,140

Adjusted -$75,475 for 304 sqft less living space and -$7,753 for being older. Net adjustment: -$83,228.

11401 THORNY BROOK TRL, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,087 sqft Built 1978
Raw Value $474,659
Adjusted Value $551,279

Adjusted +$72,744 for 293 sqft more living space and +$3,876 for being newer. Net adjustment: +$76,620.

The Neighborhood

This home is valued 28.0% 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

above average
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$521,266
Median
$407,368

This home is +28.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,820 across all districts. With a homestead exemption claimed, that drops to $8,927 — saving $1,893 per year. That's $744 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%$4,655
AustinCity0.5240%$2,732
Williamson CountyCounty0.3694%$1,926
Anderson Mill Limited Districtspecial0.1243%$648
Austin Community Collegespecial0.1034%$539
Williamson County FM/RdCounty0.0443%$231
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$10,820

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $324,140 would pay approximately $2,023 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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