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15513 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,301 sqftBuilt 2005

Property at a Glance

This home is estimated between $636,157 and $1,016,087, with a best estimate of $886,123. 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

$636,157 $1,016,087
Best Estimate
$886,123
WCAD Value
$640,862
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 $636,157 and $1,016,087. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15509 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,991 sqft Built 2005
Raw Value $777,267
Adjusted Value $886,123

Adjusted +$108,856 for 310 sqft more living space. Net adjustment: +$108,856.

15517 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,327 sqft Built 2005
Raw Value $674,070
Adjusted Value $1,016,087

Adjusted +$342,017 for 974 sqft more living space. Net adjustment: +$342,017.

15521 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $636,157
Adjusted Value $636,157

This comparable closely matches the subject property's features.

15601 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,925 sqft Built 2005
Raw Value $776,090
Adjusted Value $908,121

Adjusted +$132,031 for 376 sqft more living space. Net adjustment: +$132,031.

15501 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,453 sqft Built 2003
Raw Value $913,037
Adjusted Value $862,449

Adjusted -$53,374 for 152 sqft less living space and +$2,786 for being newer. Net adjustment: -$50,588.

The Neighborhood

This home is valued 9.5% 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
$640,862
Median
$708,305

This home is -9.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,505 across all districts. With a homestead exemption claimed, that drops to $10,465 — saving $2,040 per year. That's $872 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%$5,724
AustinCity0.5240%$3,358
Williamson CountyCounty0.3694%$2,368
Austin Community Collegespecial0.1034%$663
Williamson County FM/RdCounty0.0443%$284
Upper Brushy Creek WCIDWater0.0170%$109
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,505

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $886,123 would pay approximately $5,531 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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