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15508 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,297 sqftBuilt 2005

Property at a Glance

This home is estimated between $474,810 and $663,536, with a best estimate of $612,638. 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

$474,810 $663,536
Best Estimate
$612,638
WCAD Value
$693,132
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 $474,810 and $663,536. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $527,448

Adjusted -$211,742 for 603 sqft less living space. Net adjustment: -$211,742.

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 $474,810

Adjusted -$261,254 for 744 sqft less living space and -$1,393 for being older. Net adjustment: -$262,647.

15517 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,327 sqft Built 2005
Raw Value $674,070
Adjusted Value $663,536

Adjusted -$10,534 for 30 sqft less living space. Net adjustment: -$10,534.

15404 FERNHILL DR, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
4 bed 3 bath 1,349 sqft Built 2006
Raw Value $632,291
Adjusted Value $612,638

Adjusted -$18,260 for 52 sqft less living space and -$1,393 for being older. Net adjustment: -$19,653.

15600 BELFIN DR, AUSTIN, TX 78717
0.06 mi 100% similar Same subdivision
4 bed 3 bath 1,540 sqft Built 2005
Raw Value $737,843
Adjusted Value $652,514

Adjusted -$85,329 for 243 sqft less living space. Net adjustment: -$85,329.

The Neighborhood

This home is valued 2.1% 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
$693,132
Median
$708,305

This home is -2.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,525 across all districts. With a homestead exemption claimed, that drops to $11,420 — saving $2,105 per year. That's $952 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%$6,190
AustinCity0.5240%$3,632
Williamson CountyCounty0.3694%$2,561
Austin Community Collegespecial0.1034%$717
Williamson County FM/RdCounty0.0443%$307
Upper Brushy Creek WCIDWater0.0170%$118
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,525

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $612,638 would pay approximately $3,824 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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