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15316 VALDERRAMA CT, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath3,330 sqftBuilt 2004

Property at a Glance

This home is estimated between $821,288 and $1,093,314, with a best estimate of $890,646. 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

$821,288 $1,093,314
Best Estimate
$890,646
WCAD Value
$761,266
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 $821,288 and $1,093,314. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15312 VALDERRAMA CT, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,367 sqft Built 2003
Raw Value $753,766
Adjusted Value $1,093,314

Adjusted +$338,155 for 963 sqft more living space and +$1,393 for being newer. Net adjustment: +$339,548.

15313 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 3,098 sqft Built 2002
Raw Value $766,281
Adjusted Value $850,533

Adjusted +$81,466 for 232 sqft more living space and +$2,786 for being newer. Net adjustment: +$84,252.

15317 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 3,067 sqft Built 2002
Raw Value $726,150
Adjusted Value $821,288

Adjusted +$92,352 for 263 sqft more living space and +$2,786 for being newer. Net adjustment: +$95,138.

15309 VALDERRAMA CT, AUSTIN, TX 78717
0.05 mi 100% similar Same subdivision
4 bed 2 bath 3,098 sqft Built 2002
Raw Value $839,171
Adjusted Value $923,423

Adjusted +$81,466 for 232 sqft more living space and +$2,786 for being newer. Net adjustment: +$84,252.

15400 BELFIN DR, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,616 sqft Built 2005
Raw Value $641,320
Adjusted Value $890,646

Adjusted +$250,719 for 714 sqft more living space and -$1,393 for being older. Net adjustment: +$249,326.

The Neighborhood

This home is valued 7.5% 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
$761,266
Median
$708,305

This home is +7.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,855 across all districts. With a homestead exemption claimed, that drops to $12,666 — saving $2,189 per year. That's $1,056 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%$6,799
AustinCity0.5240%$3,989
Williamson CountyCounty0.3694%$2,812
Austin Community Collegespecial0.1034%$787
Williamson County FM/RdCounty0.0443%$337
Upper Brushy Creek WCIDWater0.0170%$129
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,855

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $890,646 would pay approximately $5,559 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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