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9509 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,141 sqftBuilt 2006

Property at a Glance

This home is estimated between $300,319 and $645,557, with a best estimate of $563,679. 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

$300,319 $645,557
Best Estimate
$563,679
WCAD Value
$644,450
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 $300,319 and $645,557. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $565,572

Adjusted -$162,581 for 463 sqft less living space and +$1,393 for being newer. Net adjustment: -$161,188.

9504 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,823 sqft Built 2005
Raw Value $556,420
Adjusted Value $318,331

Adjusted -$239,482 for 682 sqft less living space and +$1,393 for being newer. Net adjustment: -$238,089.

14905 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,840 sqft Built 2006
Raw Value $545,771
Adjusted Value $300,319

Adjusted -$245,452 for 699 sqft less living space. Net adjustment: -$245,452.

14913 FERNHILL DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,123 sqft Built 2005
Raw Value $637,843
Adjusted Value $645,557

Adjusted +$6,321 for 18 sqft more living space and +$1,393 for being newer. Net adjustment: +$7,714.

14917 FERNHILL DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,580 sqft Built 2005
Raw Value $716,440
Adjusted Value $563,679

Adjusted -$154,154 for 439 sqft less living space and +$1,393 for being newer. Net adjustment: -$152,761.

The Neighborhood

This home is valued 9.0% 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

typical
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$644,450
Median
$708,305

This home is -9.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,575 across all districts. With a homestead exemption claimed, that drops to $10,530 — saving $2,045 per year. That's $878 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%$5,756
AustinCity0.5240%$3,377
Williamson CountyCounty0.3694%$2,381
Austin Community Collegespecial0.1034%$666
Williamson County FM/RdCounty0.0443%$286
Upper Brushy Creek WCIDWater0.0170%$110
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,575

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $563,679 would pay approximately $3,518 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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