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15412 FISHER ISLAND DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,369 sqftBuilt 2004

Property at a Glance

This home is estimated between $531,834 and $839,335, with a best estimate of $607,471. 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

$531,834 $839,335
Best Estimate
$607,471
WCAD Value
$602,788
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 $531,834 and $839,335. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15408 FISHER ISLAND DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,056 sqft Built 2004
Raw Value $729,426
Adjusted Value $839,335

Adjusted +$109,909 for 313 sqft more living space. Net adjustment: +$109,909.

15416 FISHER ISLAND DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,314 sqft Built 2004
Raw Value $588,158
Adjusted Value $607,471

Adjusted +$19,313 for 55 sqft more living space. Net adjustment: +$19,313.

15420 FISHER ISLAND DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,495 sqft Built 2004
Raw Value $621,062
Adjusted Value $576,817

Adjusted -$44,245 for 126 sqft less living space. Net adjustment: -$44,245.

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 $662,514

Adjusted +$96,917 for 276 sqft more living space and +$4,178 for being newer. Net adjustment: +$101,095.

15417 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,657 sqft Built 2001
Raw Value $628,786
Adjusted Value $531,834

Adjusted -$101,130 for 288 sqft less living space and +$4,178 for being newer. Net adjustment: -$96,952.

The Neighborhood

This home is valued 14.9% 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
$602,788
Median
$708,305

This home is -14.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,762 across all districts. With a homestead exemption claimed, that drops to $9,769 — saving $1,993 per year. That's $814 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%$5,383
AustinCity0.5240%$3,159
Williamson CountyCounty0.3694%$2,227
Austin Community Collegespecial0.1034%$623
Williamson County FM/RdCounty0.0443%$267
Upper Brushy Creek WCIDWater0.0170%$102
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,762

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $607,471 would pay approximately $3,792 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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