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8417 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,597 sqftBuilt 1999

Property at a Glance

This home is estimated between $395,440 and $741,781, with a best estimate of $526,453. 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

$395,440 $741,781
Best Estimate
$526,453
WCAD Value
$459,992
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 $395,440 and $741,781. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8413 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,923 sqft Built 2000
Raw Value $532,565
Adjusted Value $409,388

Adjusted -$120,479 for 326 sqft less living space and -$2,698 for being older. Net adjustment: -$123,177.

8409 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,923 sqft Built 2001
Raw Value $521,314
Adjusted Value $395,440

Adjusted -$120,479 for 326 sqft less living space and -$5,395 for being older. Net adjustment: -$125,874.

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 $526,453

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

8420 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,385 sqft Built 1997
Raw Value $658,037
Adjusted Value $741,781

Adjusted +$78,349 for 212 sqft more living space and +$5,395 for being newer. Net adjustment: +$83,744.

8412 CAHILL DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,082 sqft Built 1998
Raw Value $488,961
Adjusted Value $681,987

Adjusted +$190,328 for 515 sqft more living space and +$2,698 for being newer. Net adjustment: +$193,026.

The Neighborhood

This home is valued 5.9% 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
$459,992
Median
$488,824

This home is -5.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,976 across all districts. With a homestead exemption claimed, that drops to $7,158 — saving $1,818 per year. That's $597 per month a buyer should budget. The assessed value increased +4.8% vs the subdivision average of -2.2%. This above-average increase gives a protest opportunity score of 35 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,108
AustinCity0.5240%$2,410
Williamson CountyCounty0.3694%$1,699
Austin Community Collegespecial0.1034%$476
Williamson County FM/RdCounty0.0443%$204
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$8,976
35 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $526,453 would pay approximately $3,286 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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