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9721 CASTLE PINES DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,333 sqftBuilt 2003

Property at a Glance

This home is estimated between $365,623 and $711,766, with a best estimate of $677,626. 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

$365,623 $711,766
Best Estimate
$677,626
WCAD Value
$622,187
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 $365,623 and $711,766. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9717 CASTLE PINES DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,494 sqft Built 2004
Raw Value $735,554
Adjusted Value $677,626

Adjusted -$56,535 for 161 sqft less living space and -$1,393 for being older. Net adjustment: -$57,928.

9716 PASATIEMPO DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,356 sqft Built 2004
Raw Value $641,482
Adjusted Value $632,013

Adjusted -$8,076 for 23 sqft less living space and -$1,393 for being older. Net adjustment: -$9,469.

9712 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,340 sqft Built 2004
Raw Value $715,617
Adjusted Value $711,766

Adjusted -$2,458 for 7 sqft less living space and -$1,393 for being older. Net adjustment: -$3,851.

9708 PASATIEMPO DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,397 sqft Built 2004
Raw Value $717,878
Adjusted Value $694,012

Adjusted -$22,473 for 64 sqft less living space and -$1,393 for being older. Net adjustment: -$23,866.

9720 CASTLE PINES DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,834 sqft Built 2004
Raw Value $542,941
Adjusted Value $365,623

Adjusted -$175,925 for 501 sqft less living space and -$1,393 for being older. Net adjustment: -$177,318.

The Neighborhood

This home is valued 12.2% 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

typical
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$622,187
Median
$708,305

This home is -12.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,141 across all districts. With a homestead exemption claimed, that drops to $10,123 — saving $2,018 per year. That's $844 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%$5,557
AustinCity0.5240%$3,260
Williamson CountyCounty0.3694%$2,299
Austin Community Collegespecial0.1034%$643
Williamson County FM/RdCounty0.0443%$276
Upper Brushy Creek WCIDWater0.0170%$106
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,141

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $677,626 would pay approximately $4,230 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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