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15517 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,327 sqftBuilt 2005

Property at a Glance

This home is estimated between $249,315 and $703,666, with a best estimate of $298,845. 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

$249,315 $703,666
Best Estimate
$298,845
WCAD Value
$674,070
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 $249,315 and $703,666. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15521 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $636,157
Adjusted Value $294,140

Adjusted -$342,017 for 974 sqft less living space. Net adjustment: -$342,017.

15513 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $640,862
Adjusted Value $298,845

Adjusted -$342,017 for 974 sqft less living space. Net adjustment: -$342,017.

15520 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,315 sqft Built 2005
Raw Value $596,248
Adjusted Value $249,315

Adjusted -$346,933 for 988 sqft less living space. Net adjustment: -$346,933.

15600 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,540 sqft Built 2005
Raw Value $737,843
Adjusted Value $663,049

Adjusted -$74,794 for 213 sqft less living space. Net adjustment: -$74,794.

15508 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,297 sqft Built 2005
Raw Value $693,132
Adjusted Value $703,666

Adjusted +$10,534 for 30 sqft more living space. Net adjustment: +$10,534.

The Neighborhood

This home is valued 4.8% 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

typical
635 Properties
$708,305 Median Value
-3.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$674,070
Median
$708,305

This home is -4.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,153 across all districts. With a homestead exemption claimed, that drops to $11,072 — saving $2,081 per year. That's $923 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%$6,020
AustinCity0.5240%$3,532
Williamson CountyCounty0.3694%$2,490
Austin Community Collegespecial0.1034%$697
Williamson County FM/RdCounty0.0443%$299
Upper Brushy Creek WCIDWater0.0170%$115
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,153

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $298,845 would pay approximately $1,865 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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