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9525 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,258 sqftBuilt 2004

Property at a Glance

This home is estimated between $543,937 and $949,730, with a best estimate of $679,467. 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

$543,937 $949,730
Best Estimate
$679,467
WCAD Value
$591,301
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 $543,937 and $949,730. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9533 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,598 sqft Built 2005
Raw Value $719,366
Adjusted Value $949,730

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

9517 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,455 sqft Built 2006
Raw Value $615,899
Adjusted Value $543,937

Adjusted -$69,176 for 197 sqft less living space and -$2,786 for being older. Net adjustment: -$71,962.

9601 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,135 sqft Built 2005
Raw Value $568,748
Adjusted Value $610,546

Adjusted +$43,191 for 123 sqft more living space and -$1,393 for being older. Net adjustment: +$41,798.

9513 CASTLE PINES DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,796 sqft Built 2005
Raw Value $746,458
Adjusted Value $907,295

Adjusted +$162,230 for 462 sqft more living space and -$1,393 for being older. Net adjustment: +$160,837.

9524 CASTLE PINES DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,697 sqft Built 2004
Raw Value $482,473
Adjusted Value $679,467

Adjusted +$196,994 for 561 sqft more living space. Net adjustment: +$196,994.

The Neighborhood

This home is valued 16.5% 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

below average
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$591,301
Median
$708,305

This home is -16.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,538 across all districts. With a homestead exemption claimed, that drops to $9,559 — saving $1,979 per year. That's $797 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%$5,281
AustinCity0.5240%$3,099
Williamson CountyCounty0.3694%$2,185
Austin Community Collegespecial0.1034%$611
Williamson County FM/RdCounty0.0443%$262
Upper Brushy Creek WCIDWater0.0170%$101
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,538

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $679,467 would pay approximately $4,241 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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