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15620 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath2,187 sqftBuilt 2005

Property at a Glance

This home is estimated between $598,398 and $823,716, with a best estimate of $807,231. 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

$598,398 $823,716
Best Estimate
$807,231
WCAD Value
$758,587
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 $598,398 and $823,716. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15616 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,954 sqft Built 2005
Raw Value $725,414
Adjusted Value $807,231

Adjusted +$81,817 for 233 sqft more living space. Net adjustment: +$81,817.

15612 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,112 sqft Built 2005
Raw Value $572,062
Adjusted Value $598,398

Adjusted +$26,336 for 75 sqft more living space. Net adjustment: +$26,336.

15700 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,001 sqft Built 2005
Raw Value $745,667
Adjusted Value $810,980

Adjusted +$65,313 for 186 sqft more living space. Net adjustment: +$65,313.

15300 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,921 sqft Built 2006
Raw Value $731,704
Adjusted Value $823,716

Adjusted +$93,405 for 266 sqft more living space and -$1,393 for being older. Net adjustment: +$92,012.

15608 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,049 sqft Built 2005
Raw Value $737,264
Adjusted Value $785,722

Adjusted +$48,458 for 138 sqft more living space. Net adjustment: +$48,458.

The Neighborhood

This home is valued 7.1% 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
$758,587
Median
$708,305

This home is +7.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,802 across all districts. With a homestead exemption claimed, that drops to $12,617 — saving $2,185 per year. That's $1,051 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%$6,775
AustinCity0.5240%$3,975
Williamson CountyCounty0.3694%$2,803
Austin Community Collegespecial0.1034%$784
Williamson County FM/RdCounty0.0443%$336
Upper Brushy Creek WCIDWater0.0170%$129
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,802

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $807,231 would pay approximately $5,039 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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