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9225 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,415 sqftBuilt 2005

Property at a Glance

This home is estimated between $595,054 and $908,398, with a best estimate of $653,423. 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

$595,054 $908,398
Best Estimate
$653,423
WCAD Value
$613,122
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 $595,054 and $908,398. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9221 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,621 sqft Built 2005
Raw Value $725,759
Adjusted Value $653,423

Adjusted -$72,336 for 206 sqft less living space. Net adjustment: -$72,336.

9301 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,929 sqft Built 2005
Raw Value $737,740
Adjusted Value $908,398

Adjusted +$170,658 for 486 sqft more living space. Net adjustment: +$170,658.

9217 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,893 sqft Built 2005
Raw Value $762,902
Adjusted Value $595,054

Adjusted -$167,848 for 478 sqft less living space. Net adjustment: -$167,848.

15809 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $602,024
Adjusted Value $642,055

Adjusted +$40,031 for 114 sqft more living space. Net adjustment: +$40,031.

9216 CASTLE PINES DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,409 sqft Built 2006
Raw Value $714,903
Adjusted Value $715,617

Adjusted +$2,107 for 6 sqft more living space and -$1,393 for being older. Net adjustment: +$714.

The Neighborhood

This home is valued 13.4% below the R251501D - Avery Ranch South median of $708,305. That positions it competitively for buyers comparing within the neighborhood. 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
$613,122
Median
$708,305

This home is -13.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,964 across all districts. With a homestead exemption claimed, that drops to $9,958 — saving $2,006 per year. That's $830 per month a buyer should budget. The assessed value increased +2.9% vs the subdivision average of -3.8%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,476
AustinCity0.5240%$3,213
Williamson CountyCounty0.3694%$2,265
Austin Community Collegespecial0.1034%$634
Williamson County FM/RdCounty0.0443%$272
Upper Brushy Creek WCIDWater0.0170%$104
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,964
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $653,423 would pay approximately $4,079 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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