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11403 THORNY BROOK TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,838 sqftBuilt 1978

Property at a Glance

This home is estimated between $398,896 and $661,113, with a best estimate of $433,973. 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

$398,896 $661,113
Best Estimate
$433,973
WCAD Value
$396,540
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 $398,896 and $661,113. 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 $539,314

Adjusted +$89,875 for 362 sqft more living space and -$3,876 for being older. Net adjustment: +$85,999.

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 $410,377

Adjusted +$38,731 for 156 sqft more living space and -$11,629 for being older. Net adjustment: +$27,102.

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 $398,896

Adjusted -$31,034 for 125 sqft less living space and -$3,876 for being older. Net adjustment: -$34,910.

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 $433,973

Adjusted +$38,234 for 154 sqft more living space and -$11,629 for being older. Net adjustment: +$26,605.

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 $661,113

Adjusted +$186,454 for 751 sqft more living space. Net adjustment: +$186,454.

The Neighborhood

This home is valued 2.7% below the R353476G - Anderson Mill median of $407,368. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 0.2% over the past year.

R353476G - Anderson Mill

typical
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$396,540
Median
$407,368

This home is -2.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,231 across all districts. With a homestead exemption claimed, that drops to $6,492 — saving $1,739 per year. That's $541 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%$3,541
AustinCity0.5240%$2,078
Williamson CountyCounty0.3694%$1,465
Anderson Mill Limited Districtspecial0.1243%$493
Austin Community Collegespecial0.1034%$410
Williamson County FM/RdCounty0.0443%$176
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,231

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $433,973 would pay approximately $2,709 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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