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16606 CORDILLERA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath2,466 sqftBuilt 2001

Property at a Glance

This home is estimated between $337,714 and $1,133,386, with a best estimate of $974,189. That places the property above the R224599C - Cat Hollow Sec A Ph 3 median of $778,705, in a neighborhood that appreciated 6.9% over the past year.

Estimated Value Range

$337,714 $1,133,386
Best Estimate
$974,189
WCAD Value
$902,101
Low Confidence

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

There are 5 comparable properties within range, but none are in R224599C - Cat Hollow Sec A Ph 3. The estimated range of $337,714 and $1,133,386 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $974,189

Adjusted +$113,467 for 312 sqft more living space. Net adjustment: +$113,467.

5 bed 5 bath 2,711 sqft Built 2016
Raw Value $1,217,491
Adjusted Value $1,133,386

Adjusted -$89,100 for 245 sqft less living space and +$4,995 for being newer. Net adjustment: -$84,105.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $996,475

Adjusted +$89,828 for 247 sqft more living space and +$1,998 for being newer. Net adjustment: +$91,826.

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $337,714

Adjusted -$234,207 for 644 sqft less living space and -$333 for being older. Net adjustment: -$234,540.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $766,361

Adjusted +$200,021 for 550 sqft more living space and +$4,329 for being newer. Net adjustment: +$204,350.

The Neighborhood

This home is valued 15.8% above the R224599C - Cat Hollow Sec A Ph 3 median of $778,705. With 143 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 6.9% over the past year.

R224599C - Cat Hollow Sec A Ph 3

above average
143 Properties
$778,705 Median Value
+6.9% YoY Change
4% Have Pool
100% Have Garage
This Home
$902,101
Median
$778,705

This home is +15.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,267 across all districts. With a homestead exemption claimed, that drops to $15,850 — saving $1,417 per year. That's $1,321 per month a buyer should budget. The assessed value increased +9.7% vs the subdivision average of +6.9%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,057
Brushy Creek MUDMUD0.3868%$3,490
Williamson CountyCounty0.3694%$3,333
Austin Community Collegespecial0.1034%$933
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$902
Williamson County FM/RdCounty0.0443%$400
Upper Brushy Creek WCIDWater0.0170%$153
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$17,267
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $974,189 would pay approximately $6,081 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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