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15437 FISHER ISLAND DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,281 sqftBuilt 2003

Property at a Glance

This home is estimated between $565,496 and $915,975, with a best estimate of $812,068. 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

$565,496 $915,975
Best Estimate
$812,068
WCAD Value
$587,563
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 $565,496 and $915,975. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15433 FISHER ISLAND DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,098 sqft Built 2004
Raw Value $749,201
Adjusted Value $812,068

Adjusted +$64,260 for 183 sqft more living space and -$1,393 for being older. Net adjustment: +$62,867.

15429 FISHER ISLAND DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,400 sqft Built 2004
Raw Value $608,676
Adjusted Value $565,496

Adjusted -$41,787 for 119 sqft less living space and -$1,393 for being older. Net adjustment: -$43,180.

15436 FISHER ISLAND DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,875 sqft Built 2004
Raw Value $725,265
Adjusted Value $866,438

Adjusted +$142,566 for 406 sqft more living space and -$1,393 for being older. Net adjustment: +$141,173.

15425 FISHER ISLAND DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,281 sqft Built 2004
Raw Value $584,392
Adjusted Value $582,999

Adjusted -$1,393 for being older. Net adjustment: -$1,393.

15428 FISHER ISLAND DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,551 sqft Built 2004
Raw Value $661,031
Adjusted Value $915,975

Adjusted +$256,337 for 730 sqft more living space and -$1,393 for being older. Net adjustment: +$254,944.

The Neighborhood

This home is valued 17.0% 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

below average
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$587,563
Median
$708,305

This home is -17.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,465 across all districts. With a homestead exemption claimed, that drops to $9,490 — saving $1,975 per year. That's $791 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%$5,248
AustinCity0.5240%$3,079
Williamson CountyCounty0.3694%$2,171
Austin Community Collegespecial0.1034%$608
Williamson County FM/RdCounty0.0443%$260
Upper Brushy Creek WCIDWater0.0170%$100
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,465

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $812,068 would pay approximately $5,069 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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