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16540 AVARANCHE WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,619 sqftBuilt 2004

Property at a Glance

This home is estimated between $326,504 and $662,124, with a best estimate of $578,524. 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

$326,504 $662,124
Best Estimate
$578,524
WCAD Value
$570,296
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R222592G - CAT HOLLOW ALL SECTIONS R4. The estimated range of $326,504 and $662,124 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,621 sqft Built 2003
Raw Value $557,659
Adjusted Value $564,585

Adjusted -$540 for 2 sqft less living space and +$7,466 for being newer. Net adjustment: +$6,926.

4 bed 3 bath 1,665 sqft Built 2007
Raw Value $618,292
Adjusted Value $583,478

Adjusted -$12,417 for 46 sqft less living space and -$22,397 for being older. Net adjustment: -$34,814.

4 bed 3 bath 1,810 sqft Built 2003
Raw Value $622,616
Adjusted Value $578,524

Adjusted -$51,558 for 191 sqft less living space and +$7,466 for being newer. Net adjustment: -$44,092.

4 bed 3 bath 1,794 sqft Built 2008
Raw Value $739,225
Adjusted Value $662,124

Adjusted -$47,239 for 175 sqft less living space and -$29,862 for being older. Net adjustment: -$77,101.

4 bed 3 bath 1,886 sqft Built 2021
Raw Value $525,492
Adjusted Value $326,504

Adjusted -$72,073 for 267 sqft less living space and -$126,915 for being older. Net adjustment: -$198,988.

The Neighborhood

This home is valued 26.3% 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

above average
1,233 Properties
$451,685 Median Value
-6.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$570,296
Median
$451,685

This home is +26.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,916 across all districts. With a homestead exemption claimed, that drops to $9,560 — saving $1,356 per year. That's $797 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%$5,093
Brushy Creek MUDMUD0.3868%$2,206
Williamson CountyCounty0.3694%$2,107
Austin Community Collegespecial0.1034%$590
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$570
Williamson County FM/RdCounty0.0443%$253
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$10,916

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $578,524 would pay approximately $3,611 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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