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15412 WHISTLING STRAITS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,709 sqftBuilt 2001

Property at a Glance

This home is estimated between $700,797 and $1,027,072, with a best estimate of $927,059. 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

$700,797 $1,027,072
Best Estimate
$927,059
WCAD Value
$645,492
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 $700,797 and $1,027,072. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15408 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,466 sqft Built 2002
Raw Value $616,861
Adjusted Value $700,797

Adjusted +$85,329 for 243 sqft more living space and -$1,393 for being older. Net adjustment: +$83,936.

15416 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,875 sqft Built 2002
Raw Value $735,608
Adjusted Value $1,027,072

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

15404 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,154 sqft Built 2001
Raw Value $727,563
Adjusted Value $922,450

Adjusted +$194,887 for 555 sqft more living space. Net adjustment: +$194,887.

15409 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,153 sqft Built 2001
Raw Value $731,821
Adjusted Value $927,059

Adjusted +$195,238 for 556 sqft more living space. Net adjustment: +$195,238.

15400 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,818 sqft Built 2001
Raw Value $704,222
Adjusted Value $1,017,094

Adjusted +$312,872 for 891 sqft more living space. Net adjustment: +$312,872.

The Neighborhood

This home is valued 8.9% 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
$645,492
Median
$708,305

This home is -8.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,595 across all districts. With a homestead exemption claimed, that drops to $10,549 — saving $2,046 per year. That's $879 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%$5,765
AustinCity0.5240%$3,382
Williamson CountyCounty0.3694%$2,385
Austin Community Collegespecial0.1034%$667
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%$12,595

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $927,059 would pay approximately $5,787 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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