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9513 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,796 sqftBuilt 2005

Property at a Glance

This home is estimated between $383,100 and $794,180, with a best estimate of $630,867. 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

$383,100 $794,180
Best Estimate
$630,867
WCAD Value
$746,458
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 $383,100 and $794,180. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9517 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,455 sqft Built 2006
Raw Value $615,899
Adjusted Value $383,100

Adjusted -$231,406 for 659 sqft less living space and -$1,393 for being older. Net adjustment: -$232,799.

9505 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,874 sqft Built 2005
Raw Value $658,256
Adjusted Value $630,867

Adjusted -$27,389 for 78 sqft less living space. Net adjustment: -$27,389.

9521 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,704 sqft Built 2004
Raw Value $644,899
Adjusted Value $678,598

Adjusted +$32,306 for 92 sqft more living space and +$1,393 for being newer. Net adjustment: +$33,699.

9501 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,604 sqft Built 2005
Raw Value $726,760
Adjusted Value $794,180

Adjusted +$67,420 for 192 sqft more living space. Net adjustment: +$67,420.

9508 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,335 sqft Built 2005
Raw Value $600,881
Adjusted Value $411,613

Adjusted -$189,268 for 539 sqft less living space. Net adjustment: -$189,268.

The Neighborhood

This home is valued 5.4% 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
$746,458
Median
$708,305

This home is +5.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,566 across all districts. With a homestead exemption claimed, that drops to $12,395 — saving $2,171 per year. That's $1,033 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%$6,667
AustinCity0.5240%$3,912
Williamson CountyCounty0.3694%$2,758
Austin Community Collegespecial0.1034%$772
Williamson County FM/RdCounty0.0443%$331
Upper Brushy Creek WCIDWater0.0170%$127
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,566

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $630,867 would pay approximately $3,938 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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