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8501 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,010 sqftBuilt 1997

Property at a Glance

This home is estimated between $382,188 and $523,460, with a best estimate of $458,008. 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

$382,188 $523,460
Best Estimate
$458,008
WCAD Value
$477,524
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 $382,188 and $523,460. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8505 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,252 sqft Built 1996
Raw Value $486,571
Adjusted Value $399,833

Adjusted -$89,436 for 242 sqft less living space and +$2,698 for being newer. Net adjustment: -$86,738.

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 $523,460

Adjusted -$65,414 for 177 sqft less living space. Net adjustment: -$65,414.

8504 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,308 sqft Built 1996
Raw Value $565,441
Adjusted Value $458,008

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

8420 CAHILL DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,385 sqft Built 1997
Raw Value $658,037
Adjusted Value $519,449

Adjusted -$138,588 for 375 sqft less living space. Net adjustment: -$138,588.

8508 CAHILL DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,609 sqft Built 1998
Raw Value $606,258
Adjusted Value $382,188

Adjusted -$221,372 for 599 sqft less living space and -$2,698 for being older. Net adjustment: -$224,070.

The Neighborhood

This home is valued 2.3% below the R381591E - Hunters' Chase Sec 5 & 7 median of $488,824. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.2% over the past year.

R381591E - Hunters' Chase Sec 5 & 7

typical
762 Properties
$488,824 Median Value
-2.2% YoY Change
3% Have Pool
100% Have Garage
This Home
$477,524
Median
$488,824

This home is -2.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,318 across all districts. With a homestead exemption claimed, that drops to $7,479 — saving $1,839 per year. That's $623 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%$4,265
AustinCity0.5240%$2,502
Williamson CountyCounty0.3694%$1,764
Austin Community Collegespecial0.1034%$494
Williamson County FM/RdCounty0.0443%$212
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$9,318

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $458,008 would pay approximately $2,859 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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