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15408 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,754 sqftBuilt 2004

Property at a Glance

This home is estimated between $562,626 and $948,698, with a best estimate of $795,887. 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

$562,626 $948,698
Best Estimate
$795,887
WCAD Value
$752,119
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 $562,626 and $948,698. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15412 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
5 bed 4 bath 3,323 sqft Built 2005
Raw Value $763,822
Adjusted Value $562,626

Adjusted -$199,803 for 569 sqft less living space and -$1,393 for being older. Net adjustment: -$201,196.

15404 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
5 bed 4 bath 2,455 sqft Built 2005
Raw Value $845,098
Adjusted Value $948,698

Adjusted +$104,993 for 299 sqft more living space and -$1,393 for being older. Net adjustment: +$103,600.

15409 FISHER ISLAND DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,301 sqft Built 2004
Raw Value $636,817
Adjusted Value $795,887

Adjusted +$159,070 for 453 sqft more living space. Net adjustment: +$159,070.

15405 FISHER ISLAND DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,322 sqft Built 2004
Raw Value $789,043
Adjusted Value $940,739

Adjusted +$151,696 for 432 sqft more living space. Net adjustment: +$151,696.

15400 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,616 sqft Built 2005
Raw Value $641,320
Adjusted Value $688,385

Adjusted +$48,458 for 138 sqft more living space and -$1,393 for being older. Net adjustment: +$47,065.

The Neighborhood

This home is valued 6.2% 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
$752,119
Median
$708,305

This home is +6.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,676 across all districts. With a homestead exemption claimed, that drops to $12,499 — saving $2,177 per year. That's $1,042 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%$6,717
AustinCity0.5240%$3,941
Williamson CountyCounty0.3694%$2,779
Austin Community Collegespecial0.1034%$778
Williamson County FM/RdCounty0.0443%$333
Upper Brushy Creek WCIDWater0.0170%$128
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,676

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $795,887 would pay approximately $4,968 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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