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15400 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,616 sqftBuilt 2005

Property at a Glance

This home is estimated between $590,767 and $901,633, with a best estimate of $748,821. 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

$590,767 $901,633
Best Estimate
$748,821
WCAD Value
$641,320
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 $590,767 and $901,633. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15404 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
5 bed 4 bath 2,455 sqft Built 2005
Raw Value $845,098
Adjusted Value $901,633

Adjusted +$56,535 for 161 sqft more living space. Net adjustment: +$56,535.

15405 FISHER ISLAND DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,322 sqft Built 2004
Raw Value $789,043
Adjusted Value $893,673

Adjusted +$103,237 for 294 sqft more living space and +$1,393 for being newer. Net adjustment: +$104,630.

15408 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,754 sqft Built 2004
Raw Value $752,119
Adjusted Value $705,054

Adjusted -$48,458 for 138 sqft less living space and +$1,393 for being newer. Net adjustment: -$47,065.

15409 FISHER ISLAND DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,301 sqft Built 2004
Raw Value $636,817
Adjusted Value $748,821

Adjusted +$110,611 for 315 sqft more living space and +$1,393 for being newer. Net adjustment: +$112,004.

10009 MORGAN CREEK DR, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
4 bed 3 bath 3,147 sqft Built 2004
Raw Value $775,833
Adjusted Value $590,767

Adjusted -$186,459 for 531 sqft less living space and +$1,393 for being newer. Net adjustment: -$185,066.

The Neighborhood

This home is valued 9.5% 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
$641,320
Median
$708,305

This home is -9.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,514 across all districts. With a homestead exemption claimed, that drops to $10,473 — saving $2,041 per year. That's $873 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%$5,728
AustinCity0.5240%$3,361
Williamson CountyCounty0.3694%$2,369
Austin Community Collegespecial0.1034%$663
Williamson County FM/RdCounty0.0443%$284
Upper Brushy Creek WCIDWater0.0170%$109
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$12,514

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $748,821 would pay approximately $4,674 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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