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15701 BELFIN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,540 sqftBuilt 2005

Property at a Glance

This home is estimated between $561,274 and $770,115, with a best estimate of $598,506. 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

$561,274 $770,115
Best Estimate
$598,506
WCAD Value
$718,922
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 $561,274 and $770,115. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15705 BELFIN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,361 sqft Built 2005
Raw Value $707,260
Adjusted Value $770,115

Adjusted +$62,855 for 179 sqft more living space. Net adjustment: +$62,855.

15709 BELFIN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,034 sqft Built 2005
Raw Value $734,741
Adjusted Value $561,274

Adjusted -$173,467 for 494 sqft less living space. Net adjustment: -$173,467.

9904 MORGAN CREEK DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
5 bed 4 bath 1,917 sqft Built 2006
Raw Value $732,281
Adjusted Value $598,506

Adjusted -$132,382 for 377 sqft less living space and -$1,393 for being older. Net adjustment: -$133,775.

15621 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,355 sqft Built 2005
Raw Value $637,320
Adjusted Value $702,282

Adjusted +$64,962 for 185 sqft more living space. Net adjustment: +$64,962.

15700 BELFIN DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,001 sqft Built 2005
Raw Value $745,667
Adjusted Value $583,788

Adjusted -$161,879 for 461 sqft less living space. Net adjustment: -$161,879.

The Neighborhood

This home is valued 1.5% 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
$718,922
Median
$708,305

This home is +1.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,028 across all districts. With a homestead exemption claimed, that drops to $11,892 — saving $2,136 per year. That's $991 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%$6,421
AustinCity0.5240%$3,767
Williamson CountyCounty0.3694%$2,656
Austin Community Collegespecial0.1034%$743
Williamson County FM/RdCounty0.0443%$319
Upper Brushy Creek WCIDWater0.0170%$122
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,028

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $598,506 would pay approximately $3,736 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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