Beta Williamson County, TX only — data and coverage are limited during early access.

8015 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,764 sqftBuilt 1992

Property at a Glance

This home is estimated between $438,666 and $726,667, with a best estimate of $467,178. 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

$438,666 $726,667
Best Estimate
$467,178
WCAD Value
$544,084
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 $438,666 and $726,667. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8013 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,842 sqft Built 1987
Raw Value $456,796
Adjusted Value $441,458

Adjusted -$28,826 for 78 sqft less living space and +$13,488 for being newer. Net adjustment: -$15,338.

8019 CAHILL DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,582 sqft Built 1991
Raw Value $450,809
Adjusted Value $520,769

Adjusted +$67,262 for 182 sqft more living space and +$2,698 for being newer. Net adjustment: +$69,960.

8009 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,810 sqft Built 1987
Raw Value $442,178
Adjusted Value $438,666

Adjusted -$17,000 for 46 sqft less living space and +$13,488 for being newer. Net adjustment: -$3,512.

8012 CAHILL DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,745 sqft Built 1987
Raw Value $491,124
Adjusted Value $467,178

Adjusted +$7,022 for 19 sqft more living space and +$13,488 for being newer and -$44,456 for no pool. Net adjustment: -$23,946.

12716 TANTARA DR, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,073 sqft Built 1990
Raw Value $465,900
Adjusted Value $726,667

Adjusted +$255,372 for 691 sqft more living space and +$5,395 for being newer. Net adjustment: +$260,767.

The Neighborhood

This home is valued 11.3% 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

typical
762 Properties
$488,824 Median Value
-2.2% YoY Change
3% Have Pool
100% Have Garage
This Home
$544,084
Median
$488,824

This home is +11.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,223 across all districts. With a homestead exemption claimed, that drops to $8,327 — saving $1,896 per year. That's $694 per month a buyer should budget. The assessed value increased +14.2% vs the subdivision average of -2.2%. This above-average increase gives a protest opportunity score of 80 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,679
AustinCity0.5240%$2,745
Williamson CountyCounty0.3694%$1,936
Austin Community Collegespecial0.1034%$542
Williamson County FM/RdCounty0.0443%$232
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$10,223
80 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $467,178 would pay approximately $2,916 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.

View full property details