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9533 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,598 sqftBuilt 2005

Property at a Glance

This home is estimated between $360,937 and $764,277, with a best estimate of $660,246. 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

$360,937 $764,277
Best Estimate
$660,246
WCAD Value
$719,366
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 $360,937 and $764,277. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9601 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,135 sqft Built 2005
Raw Value $568,748
Adjusted Value $380,182

Adjusted -$188,566 for 537 sqft less living space. Net adjustment: -$188,566.

9529 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,178 sqft Built 2005
Raw Value $616,795
Adjusted Value $764,277

Adjusted +$147,482 for 420 sqft more living space. Net adjustment: +$147,482.

9605 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,415 sqft Built 2006
Raw Value $653,411
Adjusted Value $716,278

Adjusted +$64,260 for 183 sqft more living space and -$1,393 for being older. Net adjustment: +$62,867.

9525 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,258 sqft Built 2004
Raw Value $591,301
Adjusted Value $360,937

Adjusted -$231,757 for 660 sqft less living space and +$1,393 for being newer. Net adjustment: -$230,364.

9609 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,820 sqft Built 2005
Raw Value $738,201
Adjusted Value $660,246

Adjusted -$77,955 for 222 sqft less living space. Net adjustment: -$77,955.

The Neighborhood

This home is valued 1.6% 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
$719,366
Median
$708,305

This home is +1.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,981 across all districts. With a homestead exemption claimed, that drops to $11,847 — saving $2,134 per year. That's $987 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%$6,399
AustinCity0.5240%$3,754
Williamson CountyCounty0.3694%$2,647
Austin Community Collegespecial0.1034%$741
Williamson County FM/RdCounty0.0443%$318
Upper Brushy Creek WCIDWater0.0170%$122
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,981

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $660,246 would pay approximately $4,121 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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