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9309 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,988 sqftBuilt 2005

Property at a Glance

This home is estimated between $452,376 and $887,362, with a best estimate of $483,536. 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

$452,376 $887,362
Best Estimate
$483,536
WCAD Value
$728,016
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 $452,376 and $887,362. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9305 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,540 sqft Built 2005
Raw Value $730,048
Adjusted Value $887,362

Adjusted +$157,314 for 448 sqft more living space. Net adjustment: +$157,314.

9301 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,929 sqft Built 2005
Raw Value $737,740
Adjusted Value $758,458

Adjusted +$20,718 for 59 sqft more living space. Net adjustment: +$20,718.

9317 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,304 sqft Built 2005
Raw Value $588,645
Adjusted Value $477,682

Adjusted -$110,963 for 316 sqft less living space. Net adjustment: -$110,963.

9308 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,279 sqft Built 2005
Raw Value $585,720
Adjusted Value $483,536

Adjusted -$102,184 for 291 sqft less living space. Net adjustment: -$102,184.

15812 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,481 sqft Built 2005
Raw Value $625,492
Adjusted Value $452,376

Adjusted -$173,116 for 493 sqft less living space. Net adjustment: -$173,116.

The Neighborhood

This home is valued 2.8% 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
$728,016
Median
$708,305

This home is +2.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,206 across all districts. With a homestead exemption claimed, that drops to $12,058 — saving $2,148 per year. That's $1,005 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%$6,502
AustinCity0.5240%$3,815
Williamson CountyCounty0.3694%$2,690
Austin Community Collegespecial0.1034%$753
Williamson County FM/RdCounty0.0443%$323
Upper Brushy Creek WCIDWater0.0170%$124
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,206

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $483,536 would pay approximately $3,018 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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