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16623 CORDILLERA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath2,408 sqftBuilt 2001

Property at a Glance

This home is estimated between $534,434 and $899,299, with a best estimate of $655,742. 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

$534,434 $899,299
Best Estimate
$655,742
WCAD Value
$846,525
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 $534,434 and $899,299. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16623 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,337 sqft Built 2000
Raw Value $873,811
Adjusted Value $899,299

Adjusted +$25,821 for 71 sqft more living space and -$333 for being older. Net adjustment: +$25,488.

16621 CORDILLERA DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
5 bed 4 bath 2,085 sqft Built 2001
Raw Value $773,965
Adjusted Value $891,432

Adjusted +$117,467 for 323 sqft more living space. Net adjustment: +$117,467.

16621 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,047 sqft Built 2000
Raw Value $811,156
Adjusted Value $578,435

Adjusted -$232,388 for 639 sqft less living space and -$333 for being older. Net adjustment: -$232,721.

16619 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 3 bath 2,419 sqft Built 2000
Raw Value $660,075
Adjusted Value $655,742

Adjusted -$4,000 for 11 sqft less living space and -$333 for being older. Net adjustment: -$4,333.

16627 CORDILLERA DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,900 sqft Built 2001
Raw Value $713,362
Adjusted Value $534,434

Adjusted -$178,928 for 492 sqft less living space. Net adjustment: -$178,928.

The Neighborhood

This home is valued 8.7% 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
$846,525
Median
$778,705

This home is +8.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,203 across all districts. With a homestead exemption claimed, that drops to $14,797 — saving $1,406 per year. That's $1,233 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%$7,560
Brushy Creek MUDMUD0.3868%$3,275
Williamson CountyCounty0.3694%$3,127
Austin Community Collegespecial0.1034%$875
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$847
Williamson County FM/RdCounty0.0443%$375
Upper Brushy Creek WCIDWater0.0170%$144
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$16,203

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $655,742 would pay approximately $4,093 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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