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9505 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,874 sqftBuilt 2005

Property at a Glance

This home is estimated between $410,489 and $821,570, with a best estimate of $773,847. That places the property above the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$410,489 $821,570
Best Estimate
$773,847
WCAD Value
$658,256
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 $410,489 and $821,570. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9501 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,604 sqft Built 2005
Raw Value $726,760
Adjusted Value $821,570

Adjusted +$94,810 for 270 sqft more living space. Net adjustment: +$94,810.

9513 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,796 sqft Built 2005
Raw Value $746,458
Adjusted Value $773,847

Adjusted +$27,389 for 78 sqft more living space. Net adjustment: +$27,389.

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 $410,489

Adjusted -$204,017 for 581 sqft less living space and -$1,393 for being older. Net adjustment: -$205,410.

14917 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,580 sqft Built 2005
Raw Value $716,440
Adjusted Value $819,677

Adjusted +$103,237 for 294 sqft more living space. Net adjustment: +$103,237.

9504 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,823 sqft Built 2005
Raw Value $556,420
Adjusted Value $574,329

Adjusted +$17,909 for 51 sqft more living space. Net adjustment: +$17,909.

The Neighborhood

This home is valued 7.1% 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
$658,256
Median
$708,305

This home is -7.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,845 across all districts. With a homestead exemption claimed, that drops to $10,783 — saving $2,062 per year. That's $899 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%$5,879
AustinCity0.5240%$3,449
Williamson CountyCounty0.3694%$2,432
Austin Community Collegespecial0.1034%$681
Williamson County FM/RdCounty0.0443%$292
Upper Brushy Creek WCIDWater0.0170%$112
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,845

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $773,847 would pay approximately $4,830 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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