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8513 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,236 sqftBuilt 2000

Property at a Glance

This home is estimated between $349,618 and $597,833, with a best estimate of $481,784. That places the property below the R381591E - Hunters' Chase Sec 5 & 7 median of $488,824, in a neighborhood that declined 2.2% over the past year.

Estimated Value Range

$349,618 $597,833
Best Estimate
$481,784
WCAD Value
$569,824
High Confidence

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

Based on 5 comparable properties in R381591E - Hunters' Chase Sec 5 & 7, this home's estimated market value is between $349,618 and $597,833. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8517 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 3 bath 988 sqft Built 2000
Raw Value $506,180
Adjusted Value $597,833

Adjusted +$91,653 for 248 sqft more living space. Net adjustment: +$91,653.

8511 CAHILL DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,534 sqft Built 1999
Raw Value $457,051
Adjusted Value $349,618

Adjusted -$110,131 for 298 sqft less living space and +$2,698 for being newer. Net adjustment: -$107,433.

8544 FOXHOUND TRL, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,754 sqft Built 1999
Raw Value $616,484
Adjusted Value $383,289

Adjusted -$191,437 for 518 sqft less living space and +$2,698 for being newer and -$44,456 for no pool. Net adjustment: -$233,195.

8541 FOXHOUND TRL, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,499 sqft Built 1996
Raw Value $633,939
Adjusted Value $547,532

Adjusted -$97,197 for 263 sqft less living space and +$10,790 for being newer. Net adjustment: -$86,407.

8540 FOXHOUND TRL, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,589 sqft Built 1998
Raw Value $606,847
Adjusted Value $481,784

Adjusted -$130,458 for 353 sqft less living space and +$5,395 for being newer. Net adjustment: -$125,063.

The Neighborhood

This home is valued 16.6% above the R381591E - Hunters' Chase Sec 5 & 7 median of $488,824. With 762 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.2% over the past year.

R381591E - Hunters' Chase Sec 5 & 7

above average
762 Properties
$488,824 Median Value
-2.2% YoY Change
3% Have Pool
100% Have Garage
This Home
$569,824
Median
$488,824

This home is +16.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,119 across all districts. With a homestead exemption claimed, that drops to $9,166 — saving $1,953 per year. That's $764 per month a buyer should budget. The assessed value increased +19.3% vs the subdivision average of -2.2%. This above-average increase gives a protest opportunity score of 90 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,089
AustinCity0.5240%$2,986
Williamson CountyCounty0.3694%$2,105
Austin Community Collegespecial0.1034%$589
Williamson County FM/RdCounty0.0443%$253
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,119
90 / 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 $481,784 would pay approximately $3,007 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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