Beta Williamson County, TX only — data and coverage are limited during early access.

16629 CORDILLERA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,554 sqftBuilt 2000

Property at a Glance

This home is estimated between $646,500 and $807,261, with a best estimate of $763,913. 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

$646,500 $807,261
Best Estimate
$763,913
WCAD Value
$761,663
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 $646,500 and $807,261. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16627 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,851 sqft Built 2000
Raw Value $822,871
Adjusted Value $714,860

Adjusted -$108,011 for 297 sqft less living space. Net adjustment: -$108,011.

16634 CORDILLERA DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,422 sqft Built 2000
Raw Value $715,908
Adjusted Value $763,913

Adjusted +$48,005 for 132 sqft more living space. Net adjustment: +$48,005.

16634 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,470 sqft Built 2001
Raw Value $754,851
Adjusted Value $785,733

Adjusted +$30,549 for 84 sqft more living space and +$333 for being newer. Net adjustment: +$30,882.

16633 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,728 sqft Built 2000
Raw Value $870,540
Adjusted Value $807,261

Adjusted -$63,279 for 174 sqft less living space. Net adjustment: -$63,279.

16628 CORDILLERA DR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,853 sqft Built 2000
Raw Value $755,239
Adjusted Value $646,500

Adjusted -$108,739 for 299 sqft less living space. Net adjustment: -$108,739.

The Neighborhood

This home is valued 2.2% below the R224599C - Cat Hollow Sec A Ph 3 median of $778,705. That positions it competitively for buyers comparing within the neighborhood. 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
$761,663
Median
$778,705

This home is -2.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,236 across all districts. With a homestead exemption claimed, that drops to $12,849 — saving $1,387 per year. That's $1,071 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%$6,642
Brushy Creek MUDMUD0.3868%$2,877
Williamson CountyCounty0.3694%$2,748
Austin Community Collegespecial0.1034%$769
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$744
Williamson County FM/RdCounty0.0443%$330
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$14,236

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $763,913 would pay approximately $4,768 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.

View full property details