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15424 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed3 bath1,966 sqftBuilt 2004

Property at a Glance

This home is estimated between $463,791 and $850,786, with a best estimate of $574,004. 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

$463,791 $850,786
Best Estimate
$574,004
WCAD Value
$761,339
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 $463,791 and $850,786. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15420 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,130 sqft Built 2005
Raw Value $632,985
Adjusted Value $574,004

Adjusted -$57,588 for 164 sqft less living space and -$1,393 for being older. Net adjustment: -$58,981.

15500 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,874 sqft Built 2004
Raw Value $811,908
Adjusted Value $493,066

Adjusted -$318,842 for 908 sqft less living space. Net adjustment: -$318,842.

15433 FISHER ISLAND DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,098 sqft Built 2004
Raw Value $749,201
Adjusted Value $702,850

Adjusted -$46,351 for 132 sqft less living space. Net adjustment: -$46,351.

15504 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,854 sqft Built 2005
Raw Value $777,003
Adjusted Value $463,791

Adjusted -$311,819 for 888 sqft less living space and -$1,393 for being older. Net adjustment: -$313,212.

15421 FISHER ISLAND DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,310 sqft Built 2004
Raw Value $620,433
Adjusted Value $850,786

Adjusted +$230,353 for 656 sqft more living space. Net adjustment: +$230,353.

The Neighborhood

This home is valued 7.5% 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
$761,339
Median
$708,305

This home is +7.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,856 across all districts. With a homestead exemption claimed, that drops to $12,667 — saving $2,189 per year. That's $1,056 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%$6,800
AustinCity0.5240%$3,990
Williamson CountyCounty0.3694%$2,813
Austin Community Collegespecial0.1034%$787
Williamson County FM/RdCounty0.0443%$337
Upper Brushy Creek WCIDWater0.0170%$129
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,856

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $574,004 would pay approximately $3,583 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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