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9816 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,590 sqftBuilt 2002

Property at a Glance

This home is estimated between $329,697 and $764,214, with a best estimate of $450,132. 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

$329,697 $764,214
Best Estimate
$450,132
WCAD Value
$705,246
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 $329,697 and $764,214. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9812 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,281 sqft Built 2002
Raw Value $574,209
Adjusted Value $331,566

Adjusted -$242,643 for 691 sqft less living space. Net adjustment: -$242,643.

9820 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,027 sqft Built 2002
Raw Value $812,518
Adjusted Value $659,067

Adjusted -$153,451 for 437 sqft less living space. Net adjustment: -$153,451.

9808 CASTLE PINES DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,848 sqft Built 2002
Raw Value $540,728
Adjusted Value $450,132

Adjusted -$90,596 for 258 sqft less living space. Net adjustment: -$90,596.

9824 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,377 sqft Built 2002
Raw Value $606,050
Adjusted Value $329,697

Adjusted -$276,353 for 787 sqft less living space. Net adjustment: -$276,353.

9804 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,397 sqft Built 2002
Raw Value $696,443
Adjusted Value $764,214

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

The Neighborhood

This home is in line with the R251501D - Avery Ranch South median of $708,305. 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
$705,246
Median
$708,305

This home is -0.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,761 across all districts. With a homestead exemption claimed, that drops to $11,642 — saving $2,119 per year. That's $970 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%$6,299
AustinCity0.5240%$3,696
Williamson CountyCounty0.3694%$2,606
Austin Community Collegespecial0.1034%$729
Williamson County FM/RdCounty0.0443%$313
Upper Brushy Creek WCIDWater0.0170%$120
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,761

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $450,132 would pay approximately $2,810 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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