Beta Williamson County, TX only — data and coverage are limited during early access.

15709 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,034 sqftBuilt 2005

Property at a Glance

This home is estimated between $335,242 and $892,389, with a best estimate of $549,046. That places the property below the R251501D - Avery Ranch South median of $708,305, in a neighborhood that declined 3.8% over the past year.

Estimated Value Range

$335,242 $892,389
Best Estimate
$549,046
WCAD Value
$734,741
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 $335,242 and $892,389. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15713 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $588,302
Adjusted Value $494,546

Adjusted -$93,756 for 267 sqft less living space. Net adjustment: -$93,756.

15701 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,540 sqft Built 2005
Raw Value $718,922
Adjusted Value $892,389

Adjusted +$173,467 for 494 sqft more living space. Net adjustment: +$173,467.

9212 LAGUNA WOODS DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,197 sqft Built 2007
Raw Value $746,412
Adjusted Value $335,242

Adjusted -$408,384 for 1,163 sqft less living space and -$2,786 for being older. Net adjustment: -$411,170.

9904 MORGAN CREEK DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 4 bath 1,917 sqft Built 2006
Raw Value $732,281
Adjusted Value $771,972

Adjusted +$41,084 for 117 sqft more living space and -$1,393 for being older. Net adjustment: +$39,691.

15801 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,301 sqft Built 2005
Raw Value $642,802
Adjusted Value $549,046

Adjusted -$93,756 for 267 sqft less living space. Net adjustment: -$93,756.

The Neighborhood

This home is valued 3.7% 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
$734,741
Median
$708,305

This home is +3.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,337 across all districts. With a homestead exemption claimed, that drops to $12,181 — saving $2,156 per year. That's $1,015 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%$6,562
AustinCity0.5240%$3,850
Williamson CountyCounty0.3694%$2,714
Austin Community Collegespecial0.1034%$760
Williamson County FM/RdCounty0.0443%$326
Upper Brushy Creek WCIDWater0.0170%$125
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,337

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $549,046 would pay approximately $3,427 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.

View full property details