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15316 WHISTLING STRAITS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath3,305 sqftBuilt 2002

Property at a Glance

This home is estimated between $809,723 and $1,157,760, with a best estimate of $867,533. That places the property above the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$809,723 $1,157,760
Best Estimate
$867,533
WCAD Value
$748,859
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 $809,723 and $1,157,760. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10108 MORGAN CREEK DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 3,076 sqft Built 2002
Raw Value $798,756
Adjusted Value $879,169

Adjusted +$80,413 for 229 sqft more living space. Net adjustment: +$80,413.

15317 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 3,067 sqft Built 2002
Raw Value $726,150
Adjusted Value $809,723

Adjusted +$83,573 for 238 sqft more living space. Net adjustment: +$83,573.

15308 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,986 sqft Built 2003
Raw Value $756,910
Adjusted Value $867,533

Adjusted +$112,016 for 319 sqft more living space and -$1,393 for being older. Net adjustment: +$110,623.

10112 MORGAN CREEK DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,488 sqft Built 2003
Raw Value $872,266
Adjusted Value $1,157,760

Adjusted +$286,887 for 817 sqft more living space and -$1,393 for being older. Net adjustment: +$285,494.

15313 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 3,098 sqft Built 2002
Raw Value $766,281
Adjusted Value $838,968

Adjusted +$72,687 for 207 sqft more living space. Net adjustment: +$72,687.

The Neighborhood

This home is valued 5.7% above the R251501D - Avery Ranch South median of $708,305. With 635 homes in the subdivision, the property sits in the upper tier. 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
$748,859
Median
$708,305

This home is +5.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,612 across all districts. With a homestead exemption claimed, that drops to $12,439 — saving $2,173 per year. That's $1,037 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%$6,688
AustinCity0.5240%$3,924
Williamson CountyCounty0.3694%$2,767
Austin Community Collegespecial0.1034%$774
Williamson County FM/RdCounty0.0443%$332
Upper Brushy Creek WCIDWater0.0170%$127
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,612

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $867,533 would pay approximately $5,415 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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