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9217 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,893 sqftBuilt 2005

Property at a Glance

This home is estimated between $775,355 and $883,465, with a best estimate of $821,271. 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

$775,355 $883,465
Best Estimate
$821,271
WCAD Value
$762,902
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 $775,355 and $883,465. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9213 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,613 sqft Built 2005
Raw Value $677,034
Adjusted Value $775,355

Adjusted +$98,321 for 280 sqft more living space. Net adjustment: +$98,321.

9221 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,621 sqft Built 2005
Raw Value $725,759
Adjusted Value $821,271

Adjusted +$95,512 for 272 sqft more living space. Net adjustment: +$95,512.

9209 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,820 sqft Built 2005
Raw Value $814,580
Adjusted Value $840,214

Adjusted +$25,634 for 73 sqft more living space. Net adjustment: +$25,634.

9225 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,415 sqft Built 2005
Raw Value $613,122
Adjusted Value $780,970

Adjusted +$167,848 for 478 sqft more living space. Net adjustment: +$167,848.

9216 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,409 sqft Built 2006
Raw Value $714,903
Adjusted Value $883,465

Adjusted +$169,955 for 484 sqft more living space and -$1,393 for being older. Net adjustment: +$168,562.

The Neighborhood

This home is valued 7.7% 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
$762,902
Median
$708,305

This home is +7.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,886 across all districts. With a homestead exemption claimed, that drops to $12,696 — saving $2,190 per year. That's $1,058 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%$6,813
AustinCity0.5240%$3,998
Williamson CountyCounty0.3694%$2,819
Austin Community Collegespecial0.1034%$789
Williamson County FM/RdCounty0.0443%$338
Upper Brushy Creek WCIDWater0.0170%$130
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,886

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $821,271 would pay approximately $5,126 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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