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

9116 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,641 sqftBuilt 2005

Property at a Glance

This home is estimated between $540,126 and $763,164, with a best estimate of $694,036. That places the property below the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$540,126 $763,164
Best Estimate
$694,036
WCAD Value
$764,706
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R251501D - Avery Ranch South, this home's estimated market value is between $540,126 and $763,164. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9200 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,836 sqft Built 2005
Raw Value $762,510
Adjusted Value $694,036

Adjusted -$68,474 for 195 sqft less living space. Net adjustment: -$68,474.

9112 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,442 sqft Built 2005
Raw Value $821,395
Adjusted Value $540,126

Adjusted -$281,269 for 801 sqft less living space. Net adjustment: -$281,269.

9121 LAGUNA WOODS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,491 sqft Built 2007
Raw Value $626,288
Adjusted Value $676,174

Adjusted +$52,672 for 150 sqft more living space and -$2,786 for being older. Net adjustment: +$49,886.

9117 LAGUNA WOODS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 3 bath 2,494 sqft Built 2007
Raw Value $714,331
Adjusted Value $763,164

Adjusted +$51,619 for 147 sqft more living space and -$2,786 for being older. Net adjustment: +$48,833.

9108 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,869 sqft Built 2007
Raw Value $827,737
Adjusted Value $744,889

Adjusted -$80,062 for 228 sqft less living space and -$2,786 for being older. Net adjustment: -$82,848.

The Neighborhood

This home is valued 8.0% above the R251501D - Avery Ranch South median of $708,305. With 635 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.8% over the past year.

R251501D - Avery Ranch South

typical
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$764,706
Median
$708,305

This home is +8.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,922 across all districts. With a homestead exemption claimed, that drops to $12,729 — saving $2,193 per year. That's $1,061 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%$6,830
AustinCity0.5240%$4,007
Williamson CountyCounty0.3694%$2,825
Austin Community Collegespecial0.1034%$791
Williamson County FM/RdCounty0.0443%$339
Upper Brushy Creek WCIDWater0.0170%$130
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,922

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $694,036 would pay approximately $4,332 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