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15700 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,001 sqftBuilt 2005

Property at a Glance

This home is estimated between $483,103 and $880,801, with a best estimate of $693,274. 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

$483,103 $880,801
Best Estimate
$693,274
WCAD Value
$745,667
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 $483,103 and $880,801. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15708 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2005
Raw Value $588,447
Adjusted Value $483,103

Adjusted -$105,344 for 300 sqft less living space. Net adjustment: -$105,344.

15620 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
5 bed 4 bath 2,187 sqft Built 2005
Raw Value $758,587
Adjusted Value $693,274

Adjusted -$65,313 for 186 sqft less living space. Net adjustment: -$65,313.

15712 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,856 sqft Built 2005
Raw Value $732,169
Adjusted Value $783,085

Adjusted +$50,916 for 145 sqft more living space. Net adjustment: +$50,916.

15228 FERNHILL DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,301 sqft Built 2006
Raw Value $597,070
Adjusted Value $490,333

Adjusted -$105,344 for 300 sqft less living space and -$1,393 for being older. Net adjustment: -$106,737.

15701 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,540 sqft Built 2005
Raw Value $718,922
Adjusted Value $880,801

Adjusted +$161,879 for 461 sqft more living space. Net adjustment: +$161,879.

The Neighborhood

This home is valued 5.3% 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
$745,667
Median
$708,305

This home is +5.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,550 across all districts. With a homestead exemption claimed, that drops to $12,381 — saving $2,169 per year. That's $1,032 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%$6,660
AustinCity0.5240%$3,907
Williamson CountyCounty0.3694%$2,755
Austin Community Collegespecial0.1034%$771
Williamson County FM/RdCounty0.0443%$331
Upper Brushy Creek WCIDWater0.0170%$127
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,550

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $693,274 would pay approximately $4,327 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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