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15504 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,854 sqftBuilt 2005

Property at a Glance

This home is estimated between $806,278 and $1,074,551, with a best estimate of $1,056,633. 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

$806,278 $1,074,551
Best Estimate
$1,056,633
WCAD Value
$777,003
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 $806,278 and $1,074,551. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $806,278

Adjusted -$7,023 for 20 sqft less living space and +$1,393 for being newer. Net adjustment: -$5,630.

15512 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,900 sqft Built 2005
Raw Value $739,190
Adjusted Value $1,074,184

Adjusted +$334,994 for 954 sqft more living space. Net adjustment: +$334,994.

15424 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 3 bath 2,527 sqft Built 2007
Raw Value $739,215
Adjusted Value $851,254

Adjusted +$114,825 for 327 sqft more living space and -$2,786 for being older. Net adjustment: +$112,039.

15424 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
5 bed 3 bath 1,966 sqft Built 2004
Raw Value $761,339
Adjusted Value $1,074,551

Adjusted +$311,819 for 888 sqft more living space and +$1,393 for being newer. Net adjustment: +$313,212.

15501 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,453 sqft Built 2003
Raw Value $913,037
Adjusted Value $1,056,633

Adjusted +$140,810 for 401 sqft more living space and +$2,786 for being newer. Net adjustment: +$143,596.

The Neighborhood

This home is valued 9.7% 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
$777,003
Median
$708,305

This home is +9.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,162 across all districts. With a homestead exemption claimed, that drops to $12,953 — saving $2,209 per year. That's $1,079 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%$6,939
AustinCity0.5240%$4,072
Williamson CountyCounty0.3694%$2,871
Austin Community Collegespecial0.1034%$803
Williamson County FM/RdCounty0.0443%$344
Upper Brushy Creek WCIDWater0.0170%$132
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$15,162

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,056,633 would pay approximately $6,595 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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