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9437 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,256 sqftBuilt 2005

Property at a Glance

This home is estimated between $636,861 and $955,708, with a best estimate of $688,770. 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

$636,861 $955,708
Best Estimate
$688,770
WCAD Value
$593,342
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 $636,861 and $955,708. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9433 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,918 sqft Built 2005
Raw Value $542,500
Adjusted Value $661,188

Adjusted +$118,688 for 338 sqft more living space. Net adjustment: +$118,688.

9501 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,604 sqft Built 2005
Raw Value $726,760
Adjusted Value $955,708

Adjusted +$228,948 for 652 sqft more living space. Net adjustment: +$228,948.

15005 FERNHILL DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,063 sqft Built 2005
Raw Value $569,090
Adjusted Value $636,861

Adjusted +$67,771 for 193 sqft more living space. Net adjustment: +$67,771.

9429 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,718 sqft Built 2005
Raw Value $499,853
Adjusted Value $688,770

Adjusted +$188,917 for 538 sqft more living space. Net adjustment: +$188,917.

15009 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,656 sqft Built 2006
Raw Value $723,921
Adjusted Value $933,216

Adjusted +$210,688 for 600 sqft more living space and -$1,393 for being older. Net adjustment: +$209,295.

The Neighborhood

This home is valued 16.2% 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
$593,342
Median
$708,305

This home is -16.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,578 across all districts. With a homestead exemption claimed, that drops to $9,596 — saving $1,982 per year. That's $800 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%$5,299
AustinCity0.5240%$3,109
Williamson CountyCounty0.3694%$2,192
Austin Community Collegespecial0.1034%$614
Williamson County FM/RdCounty0.0443%$263
Upper Brushy Creek WCIDWater0.0170%$101
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,578

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $688,770 would pay approximately $4,299 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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