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16631 CORDILLERA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath2,502 sqftBuilt 2001

Property at a Glance

This home is estimated between $662,866 and $690,858, with a best estimate of $681,971. That places the property below 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

$662,866 $690,858
Best Estimate
$681,971
WCAD Value
$849,728
High Confidence

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

Based on 5 comparable properties in R224599C - Cat Hollow Sec A Ph 3, this home's estimated market value is between $662,866 and $690,858. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16631 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,512 sqft Built 2001
Raw Value $690,598
Adjusted Value $686,961

Adjusted -$3,637 for 10 sqft less living space. Net adjustment: -$3,637.

16633 CORDILLERA DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 3 bath 2,462 sqft Built 2001
Raw Value $667,424
Adjusted Value $681,971

Adjusted +$14,547 for 40 sqft more living space. Net adjustment: +$14,547.

16629 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 3 bath 2,644 sqft Built 2000
Raw Value $742,833
Adjusted Value $690,858

Adjusted -$51,642 for 142 sqft less living space and -$333 for being older. Net adjustment: -$51,975.

16635 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 3 bath 2,716 sqft Built 2001
Raw Value $740,692
Adjusted Value $662,866

Adjusted -$77,826 for 214 sqft less living space. Net adjustment: -$77,826.

16635 CORDILLERA DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 3 bath 2,698 sqft Built 2001
Raw Value $751,075
Adjusted Value $679,795

Adjusted -$71,280 for 196 sqft less living space. Net adjustment: -$71,280.

The Neighborhood

This home is valued 9.1% 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

typical
143 Properties
$778,705 Median Value
+6.9% YoY Change
4% Have Pool
100% Have Garage
This Home
$849,728
Median
$778,705

This home is +9.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,961 across all districts. With a homestead exemption claimed, that drops to $14,556 — saving $1,405 per year. That's $1,213 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%$7,447
Brushy Creek MUDMUD0.3868%$3,226
Williamson CountyCounty0.3694%$3,081
Austin Community Collegespecial0.1034%$862
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$834
Williamson County FM/RdCounty0.0443%$370
Upper Brushy Creek WCIDWater0.0170%$142
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$15,961

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $681,971 would pay approximately $4,257 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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