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8508 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,609 sqftBuilt 1998

Property at a Glance

This home is estimated between $347,967 and $747,530, with a best estimate of $679,987. That places the property above 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

$347,967 $747,530
Best Estimate
$679,987
WCAD Value
$606,258
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 $347,967 and $747,530. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8504 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,308 sqft Built 1996
Raw Value $565,441
Adjusted Value $682,076

Adjusted +$111,240 for 301 sqft more living space and +$5,395 for being newer. Net adjustment: +$116,635.

8541 FOXHOUND TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,499 sqft Built 1996
Raw Value $633,939
Adjusted Value $679,987

Adjusted +$40,653 for 110 sqft more living space and +$5,395 for being newer. Net adjustment: +$46,048.

8537 FOXHOUND TRL, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,024 sqft Built 1995
Raw Value $493,245
Adjusted Value $347,967

Adjusted -$153,371 for 415 sqft less living space and +$8,093 for being newer. Net adjustment: -$145,278.

8500 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,187 sqft Built 1997
Raw Value $588,874
Adjusted Value $747,530

Adjusted +$155,958 for 422 sqft more living space and +$2,698 for being newer. Net adjustment: +$158,656.

8509 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,929 sqft Built 2002
Raw Value $524,432
Adjusted Value $395,380

Adjusted -$118,262 for 320 sqft less living space and -$10,790 for being older. Net adjustment: -$129,052.

The Neighborhood

This home is valued 24.0% 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
$606,258
Median
$488,824

This home is +24.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,830 across all districts. With a homestead exemption claimed, that drops to $9,832 — saving $1,998 per year. That's $819 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%$5,414
AustinCity0.5240%$3,177
Williamson CountyCounty0.3694%$2,240
Austin Community Collegespecial0.1034%$627
Williamson County FM/RdCounty0.0443%$269
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,830

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $679,987 would pay approximately $4,244 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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