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8416 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,701 sqftBuilt 1998

Property at a Glance

This home is estimated between $266,028 and $781,530, with a best estimate of $495,729. 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

$266,028 $781,530
Best Estimate
$495,729
WCAD Value
$562,190
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 $266,028 and $781,530. 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 $777,519

Adjusted +$116,784 for 316 sqft more living space and +$2,698 for being newer. Net adjustment: +$119,482.

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 $781,530

Adjusted +$189,958 for 514 sqft more living space and +$2,698 for being newer. Net adjustment: +$192,656.

8417 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,597 sqft Built 1999
Raw Value $459,992
Adjusted Value $495,729

Adjusted +$38,435 for 104 sqft more living space and -$2,698 for being older. Net adjustment: +$35,737.

8413 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,923 sqft Built 2000
Raw Value $532,565
Adjusted Value $445,126

Adjusted -$82,044 for 222 sqft less living space and -$5,395 for being older. Net adjustment: -$87,439.

8421 CAHILL DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,297 sqft Built 1997
Raw Value $483,593
Adjusted Value $266,028

Adjusted -$220,263 for 596 sqft less living space and +$2,698 for being newer. Net adjustment: -$217,565.

The Neighborhood

This home is valued 15.0% 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
$562,190
Median
$488,824

This home is +15.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,970 across all districts. With a homestead exemption claimed, that drops to $9,027 — saving $1,943 per year. That's $752 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%$5,021
AustinCity0.5240%$2,946
Williamson CountyCounty0.3694%$2,077
Austin Community Collegespecial0.1034%$581
Williamson County FM/RdCounty0.0443%$249
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$10,970

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $495,729 would pay approximately $3,094 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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