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11315 THORNY BROOK TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

4 bed2 bath1,920 sqftBuilt 1978

Property at a Glance

This home is estimated between $415,822 and $559,673, with a best estimate of $430,735. 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

$415,822 $559,673
Best Estimate
$430,735
WCAD Value
$430,924
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 $415,822 and $559,673. 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 $559,673

Adjusted +$110,234 for 444 sqft more living space and -$3,876 for being older. Net adjustment: +$106,358.

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 $430,735

Adjusted +$59,089 for 238 sqft more living space and -$11,629 for being older. Net adjustment: +$47,460.

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 $419,254

Adjusted -$10,676 for 43 sqft less living space and -$3,876 for being older. Net adjustment: -$14,552.

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 $454,332

Adjusted +$58,593 for 236 sqft more living space and -$11,629 for being older. Net adjustment: +$46,964.

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 $415,822

Adjusted +$4,965 for 20 sqft more living space and -$11,629 for being older. Net adjustment: -$6,664.

The Neighborhood

This home is valued 5.8% 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

typical
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$430,924
Median
$407,368

This home is +5.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,944 across all districts. With a homestead exemption claimed, that drops to $7,163 — saving $1,781 per year. That's $597 per month a buyer should budget. The assessed value increased +7.2% vs the subdivision average of +0.2%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,849
AustinCity0.5240%$2,258
Williamson CountyCounty0.3694%$1,592
Anderson Mill Limited Districtspecial0.1243%$536
Austin Community Collegespecial0.1034%$446
Williamson County FM/RdCounty0.0443%$191
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$8,944
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $430,735 would pay approximately $2,689 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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