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

7913 CAHILL DR, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,842 sqftBuilt 1987

Property at a Glance

This home is estimated between $473,670 and $818,450, with a best estimate of $717,121. 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

$473,670 $818,450
Best Estimate
$717,121
WCAD Value
$447,778
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 $473,670 and $818,450. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

7911 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,268 sqft Built 1988
Raw Value $588,332
Adjusted Value $797,766

Adjusted +$212,132 for 574 sqft more living space and -$2,698 for being older. Net adjustment: +$209,434.

7915 CAHILL DR, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,810 sqft Built 1987
Raw Value $461,844
Adjusted Value $473,670

Adjusted +$11,826 for 32 sqft more living space. Net adjustment: +$11,826.

12902 STANZEL DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,370 sqft Built 1987
Raw Value $487,828
Adjusted Value $662,264

Adjusted +$174,436 for 472 sqft more living space. Net adjustment: +$174,436.

12904 STANZEL DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,203 sqft Built 1987
Raw Value $582,296
Adjusted Value $818,450

Adjusted +$236,154 for 639 sqft more living space. Net adjustment: +$236,154.

7917 CAHILL DR, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,186 sqft Built 1987
Raw Value $474,684
Adjusted Value $717,121

Adjusted +$242,437 for 656 sqft more living space. Net adjustment: +$242,437.

The Neighborhood

This home is valued 8.4% 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
$447,778
Median
$488,824

This home is -8.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,737 across all districts. With a homestead exemption claimed, that drops to $6,935 — saving $1,802 per year. That's $578 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%$3,999
AustinCity0.5240%$2,346
Williamson CountyCounty0.3694%$1,654
Austin Community Collegespecial0.1034%$463
Williamson County FM/RdCounty0.0443%$198
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$8,737

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $717,121 would pay approximately $4,476 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