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8500 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,187 sqftBuilt 1997

Property at a Glance

This home is estimated between $369,534 and $584,862, with a best estimate of $523,421. 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

$369,534 $584,862
Best Estimate
$523,421
WCAD Value
$588,874
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 $369,534 and $584,862. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8420 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,385 sqft Built 1997
Raw Value $658,037
Adjusted Value $584,862

Adjusted -$73,175 for 198 sqft less living space. Net adjustment: -$73,175.

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 $523,421

Adjusted -$44,718 for 121 sqft less living space and +$2,698 for being newer. Net adjustment: -$42,020.

8416 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,701 sqft Built 1998
Raw Value $562,190
Adjusted Value $369,534

Adjusted -$189,958 for 514 sqft less living space and -$2,698 for being older. Net adjustment: -$192,656.

8508 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,609 sqft Built 1998
Raw Value $606,258
Adjusted Value $447,602

Adjusted -$155,958 for 422 sqft less living space and -$2,698 for being older. Net adjustment: -$158,656.

8501 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,010 sqft Built 1997
Raw Value $477,524
Adjusted Value $542,938

Adjusted +$65,414 for 177 sqft more living space. Net adjustment: +$65,414.

The Neighborhood

This home is valued 20.5% 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
$588,874
Median
$488,824

This home is +20.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,491 across all districts. With a homestead exemption claimed, that drops to $9,514 — saving $1,977 per year. That's $793 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%$5,259
AustinCity0.5240%$3,086
Williamson CountyCounty0.3694%$2,176
Austin Community Collegespecial0.1034%$609
Williamson County FM/RdCounty0.0443%$261
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,491

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $523,421 would pay approximately $3,267 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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