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15416 WHISTLING STRAITS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,875 sqftBuilt 2002

Property at a Glance

This home is estimated between $354,028 and $790,202, with a best estimate of $517,000. 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

$354,028 $790,202
Best Estimate
$517,000
WCAD Value
$735,608
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 $354,028 and $790,202. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15420 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,023 sqft Built 2001
Raw Value $567,577
Adjusted Value $517,000

Adjusted -$51,970 for 148 sqft less living space and +$1,393 for being newer. Net adjustment: -$50,577.

15412 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,709 sqft Built 2001
Raw Value $645,492
Adjusted Value $354,028

Adjusted -$292,857 for 834 sqft less living space and +$1,393 for being newer. Net adjustment: -$291,464.

15424 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,746 sqft Built 2002
Raw Value $744,904
Adjusted Value $790,202

Adjusted +$45,298 for 129 sqft more living space. Net adjustment: +$45,298.

15413 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,093 sqft Built 2001
Raw Value $561,419
Adjusted Value $486,262

Adjusted -$76,550 for 218 sqft less living space and +$1,393 for being newer. Net adjustment: -$75,157.

15421 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,849 sqft Built 2001
Raw Value $710,983
Adjusted Value $721,506

Adjusted +$9,130 for 26 sqft more living space and +$1,393 for being newer. Net adjustment: +$10,523.

The Neighborhood

This home is valued 3.9% 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
$735,608
Median
$708,305

This home is +3.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,354 across all districts. With a homestead exemption claimed, that drops to $12,197 — saving $2,157 per year. That's $1,016 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%$6,570
AustinCity0.5240%$3,855
Williamson CountyCounty0.3694%$2,718
Austin Community Collegespecial0.1034%$761
Williamson County FM/RdCounty0.0443%$326
Upper Brushy Creek WCIDWater0.0170%$125
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,354

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $517,000 would pay approximately $3,227 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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