Beta Williamson County, TX only — data and coverage are limited during early access.

9612 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,648 sqftBuilt 2005

Property at a Glance

This home is estimated between $364,928 and $830,452, with a best estimate of $665,773. 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

$364,928 $830,452
Best Estimate
$665,773
WCAD Value
$497,281
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 $364,928 and $830,452. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9608 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,823 sqft Built 2005
Raw Value $541,483
Adjusted Value $480,032

Adjusted -$61,451 for 175 sqft less living space. Net adjustment: -$61,451.

9616 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,123 sqft Built 2004
Raw Value $644,707
Adjusted Value $830,452

Adjusted +$184,352 for 525 sqft more living space and +$1,393 for being newer. Net adjustment: +$185,745.

9604 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,139 sqft Built 2005
Raw Value $586,602
Adjusted Value $765,336

Adjusted +$178,734 for 509 sqft more living space. Net adjustment: +$178,734.

9620 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,894 sqft Built 2004
Raw Value $750,762
Adjusted Value $665,773

Adjusted -$86,382 for 246 sqft less living space and +$1,393 for being newer. Net adjustment: -$84,989.

9704 MORGAN CREEK DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,281 sqft Built 2006
Raw Value $588,597
Adjusted Value $364,928

Adjusted -$222,276 for 633 sqft less living space and -$1,393 for being older. Net adjustment: -$223,669.

The Neighborhood

This home is valued 29.8% 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
$497,281
Median
$708,305

This home is -29.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,703 across all districts. With a homestead exemption claimed, that drops to $7,840 — saving $1,863 per year. That's $653 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%$4,441
AustinCity0.5240%$2,606
Williamson CountyCounty0.3694%$1,837
Austin Community Collegespecial0.1034%$514
Williamson County FM/RdCounty0.0443%$220
Upper Brushy Creek WCIDWater0.0170%$85
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$9,703

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $665,773 would pay approximately $4,156 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.

View full property details