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15516 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath2,250 sqftBuilt 2005

Property at a Glance

This home is estimated between $573,423 and $862,092, with a best estimate of $809,454. 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

$573,423 $862,092
Best Estimate
$809,454
WCAD Value
$786,533
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 $573,423 and $862,092. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15520 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,315 sqft Built 2005
Raw Value $596,248
Adjusted Value $573,423

Adjusted -$22,825 for 65 sqft less living space. Net adjustment: -$22,825.

15512 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,900 sqft Built 2005
Raw Value $739,190
Adjusted Value $862,092

Adjusted +$122,902 for 350 sqft more living space. Net adjustment: +$122,902.

15412 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,041 sqft Built 2006
Raw Value $737,457
Adjusted Value $809,454

Adjusted +$73,390 for 209 sqft more living space and -$1,393 for being older. Net adjustment: +$71,997.

15513 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $640,862
Adjusted Value $622,953

Adjusted -$17,909 for 51 sqft less living space. Net adjustment: -$17,909.

15400 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,923 sqft Built 2006
Raw Value $734,643
Adjusted Value $848,075

Adjusted +$114,825 for 327 sqft more living space and -$1,393 for being older. Net adjustment: +$113,432.

The Neighborhood

This home is valued 11.0% 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
$786,533
Median
$708,305

This home is +11.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,348 across all districts. With a homestead exemption claimed, that drops to $13,128 — saving $2,220 per year. That's $1,094 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%$7,025
AustinCity0.5240%$4,122
Williamson CountyCounty0.3694%$2,906
Austin Community Collegespecial0.1034%$813
Williamson County FM/RdCounty0.0443%$349
Upper Brushy Creek WCIDWater0.0170%$134
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$15,348

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $809,454 would pay approximately $5,053 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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