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16513 AVARANCHE WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,279 sqftBuilt 2000

Property at a Glance

This home is estimated between $400,336 and $850,890, with a best estimate of $665,480. That places the property above the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685, in a neighborhood that declined 6.9% over the past year.

Estimated Value Range

$400,336 $850,890
Best Estimate
$665,480
WCAD Value
$757,337
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R222592G - CAT HOLLOW ALL SECTIONS R4. The estimated range of $400,336 and $850,890 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 2,423 sqft Built 2004
Raw Value $488,728
Adjusted Value $419,995

Adjusted -$38,871 for 144 sqft less living space and -$29,862 for being older. Net adjustment: -$68,733.

4 bed 2 bath 2,293 sqft Built 2006
Raw Value $714,053
Adjusted Value $665,480

Adjusted -$3,779 for 14 sqft less living space and -$44,794 for being older. Net adjustment: -$48,573.

4 bed 2 bath 2,427 sqft Built 2006
Raw Value $485,081
Adjusted Value $400,336

Adjusted -$39,951 for 148 sqft less living space and -$44,794 for being older. Net adjustment: -$84,745.

16721 MARSALA SPRINGS DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,746 sqft Built 1999
Raw Value $609,595
Adjusted Value $760,938

Adjusted +$143,877 for 533 sqft more living space and +$7,466 for being newer. Net adjustment: +$151,343.

16519 AVARANCHE WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,594 sqft Built 2000
Raw Value $665,983
Adjusted Value $850,890

Adjusted +$184,907 for 685 sqft more living space. Net adjustment: +$184,907.

The Neighborhood

This home is valued 67.7% above the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685. With 1,233 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.9% over the past year.

R222592G - CAT HOLLOW ALL SECTIONS R4

outlier high
1,233 Properties
$451,685 Median Value
-6.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$757,337
Median
$451,685

This home is +67.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,496 across all districts. With a homestead exemption claimed, that drops to $13,106 — saving $1,390 per year. That's $1,092 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%$6,764
Brushy Creek MUDMUD0.3868%$2,930
Williamson CountyCounty0.3694%$2,798
Austin Community Collegespecial0.1034%$783
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$757
Williamson County FM/RdCounty0.0443%$336
Upper Brushy Creek WCIDWater0.0170%$129
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$14,496

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $665,480 would pay approximately $4,154 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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