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9321 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,148 sqftBuilt 2005

Property at a Glance

This home is estimated between $493,061 and $953,171, with a best estimate of $768,210. That places the property above the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$493,061 $953,171
Best Estimate
$768,210
WCAD Value
$788,654
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 $493,061 and $953,171. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9317 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,304 sqft Built 2005
Raw Value $588,645
Adjusted Value $533,866

Adjusted -$54,779 for 156 sqft less living space. Net adjustment: -$54,779.

9313 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,297 sqft Built 2005
Raw Value $654,345
Adjusted Value $953,171

Adjusted +$298,826 for 851 sqft more living space. Net adjustment: +$298,826.

9324 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 3 bath 2,234 sqft Built 2005
Raw Value $798,409
Adjusted Value $768,210

Adjusted -$30,199 for 86 sqft less living space. Net adjustment: -$30,199.

9316 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,914 sqft Built 2005
Raw Value $734,740
Adjusted Value $816,908

Adjusted +$82,168 for 234 sqft more living space. Net adjustment: +$82,168.

9333 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,500 sqft Built 2005
Raw Value $616,665
Adjusted Value $493,061

Adjusted -$123,604 for 352 sqft less living space. Net adjustment: -$123,604.

The Neighborhood

This home is valued 11.3% 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
$788,654
Median
$708,305

This home is +11.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,389 across all districts. With a homestead exemption claimed, that drops to $13,166 — saving $2,223 per year. That's $1,097 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%$7,043
AustinCity0.5240%$4,133
Williamson CountyCounty0.3694%$2,914
Austin Community Collegespecial0.1034%$815
Williamson County FM/RdCounty0.0443%$350
Upper Brushy Creek WCIDWater0.0170%$134
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$15,389

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $768,210 would pay approximately $4,795 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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