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15312 VALDERRAMA CT, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,367 sqftBuilt 2003

Property at a Glance

This home is estimated between $421,718 and $1,124,113, with a best estimate of $583,875. 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

$421,718 $1,124,113
Best Estimate
$583,875
WCAD Value
$753,766
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 $421,718 and $1,124,113. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

15316 VALDERRAMA CT, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 3 bath 3,330 sqft Built 2004
Raw Value $761,266
Adjusted Value $421,718

Adjusted -$338,155 for 963 sqft less living space and -$1,393 for being older. Net adjustment: -$339,548.

15308 VALDERRAMA CT, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
6 bed 3 bath 1,789 sqft Built 2003
Raw Value $921,150
Adjusted Value $1,124,113

Adjusted +$202,963 for 578 sqft more living space. Net adjustment: +$202,963.

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 $510,985

Adjusted -$256,689 for 731 sqft less living space and +$1,393 for being newer. Net adjustment: -$255,296.

15309 VALDERRAMA CT, AUSTIN, TX 78717
0.04 mi 100% similar Same subdivision
4 bed 2 bath 3,098 sqft Built 2002
Raw Value $839,171
Adjusted Value $583,875

Adjusted -$256,689 for 731 sqft less living space and +$1,393 for being newer. Net adjustment: -$255,296.

15309 WHISTLING STRAITS DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,994 sqft Built 2003
Raw Value $805,999
Adjusted Value $936,977

Adjusted +$130,978 for 373 sqft more living space. Net adjustment: +$130,978.

The Neighborhood

This home is valued 6.4% 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
$753,766
Median
$708,305

This home is +6.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,708 across all districts. With a homestead exemption claimed, that drops to $12,529 — saving $2,179 per year. That's $1,044 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%$6,732
AustinCity0.5240%$3,950
Williamson CountyCounty0.3694%$2,785
Austin Community Collegespecial0.1034%$779
Williamson County FM/RdCounty0.0443%$334
Upper Brushy Creek WCIDWater0.0170%$128
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$14,708

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $583,875 would pay approximately $3,645 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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