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15520 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,315 sqftBuilt 2005

Property at a Glance

This home is estimated between $598,497 and $1,021,003, with a best estimate of $809,358. 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

$598,497 $1,021,003
Best Estimate
$809,358
WCAD Value
$596,248
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 $598,497 and $1,021,003. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15516 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
5 bed 4 bath 2,250 sqft Built 2005
Raw Value $786,533
Adjusted Value $809,358

Adjusted +$22,825 for 65 sqft more living space. Net adjustment: +$22,825.

15524 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,498 sqft Built 2005
Raw Value $737,111
Adjusted Value $672,851

Adjusted -$64,260 for 183 sqft less living space. Net adjustment: -$64,260.

15408 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,879 sqft Built 2007
Raw Value $740,101
Adjusted Value $890,415

Adjusted +$153,100 for 436 sqft more living space and -$2,786 for being older. Net adjustment: +$150,314.

15604 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $593,581
Adjusted Value $598,497

Adjusted +$4,916 for 14 sqft more living space. Net adjustment: +$4,916.

15517 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,327 sqft Built 2005
Raw Value $674,070
Adjusted Value $1,021,003

Adjusted +$346,933 for 988 sqft more living space. Net adjustment: +$346,933.

The Neighborhood

This home is valued 15.8% 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
$596,248
Median
$708,305

This home is -15.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,635 across all districts. With a homestead exemption claimed, that drops to $9,649 — saving $1,986 per year. That's $804 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%$5,325
AustinCity0.5240%$3,124
Williamson CountyCounty0.3694%$2,203
Austin Community Collegespecial0.1034%$617
Williamson County FM/RdCounty0.0443%$264
Upper Brushy Creek WCIDWater0.0170%$101
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$11,635

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $809,358 would pay approximately $5,052 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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