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9508 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,335 sqftBuilt 2005

Property at a Glance

This home is estimated between $609,112 and $823,361, with a best estimate of $638,073. 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

$609,112 $823,361
Best Estimate
$638,073
WCAD Value
$600,881
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 $609,112 and $823,361. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9512 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,114 sqft Built 2005
Raw Value $560,469
Adjusted Value $638,073

Adjusted +$77,604 for 221 sqft more living space. Net adjustment: +$77,604.

9504 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,823 sqft Built 2005
Raw Value $556,420
Adjusted Value $736,207

Adjusted +$179,787 for 512 sqft more living space. Net adjustment: +$179,787.

9500 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,253 sqft Built 2006
Raw Value $595,864
Adjusted Value $623,265

Adjusted +$28,794 for 82 sqft more living space and -$1,393 for being older. Net adjustment: +$27,401.

9732 MORGAN CREEK DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,456 sqft Built 2006
Raw Value $652,994
Adjusted Value $609,112

Adjusted -$42,489 for 121 sqft less living space and -$1,393 for being older. Net adjustment: -$43,882.

9728 MORGAN CREEK DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,081 sqft Built 2006
Raw Value $735,563
Adjusted Value $823,361

Adjusted +$89,191 for 254 sqft more living space and -$1,393 for being older. Net adjustment: +$87,798.

The Neighborhood

This home is valued 15.2% 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
$600,881
Median
$708,305

This home is -15.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,725 across all districts. With a homestead exemption claimed, that drops to $9,734 — saving $1,991 per year. That's $811 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%$5,366
AustinCity0.5240%$3,149
Williamson CountyCounty0.3694%$2,220
Austin Community Collegespecial0.1034%$621
Williamson County FM/RdCounty0.0443%$266
Upper Brushy Creek WCIDWater0.0170%$102
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,725

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $638,073 would pay approximately $3,983 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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