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

16604 CORDILLERA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,420 sqftBuilt 2001

Property at a Glance

This home is estimated between $580,283 and $1,185,369, with a best estimate of $956,383. 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

$580,283 $1,185,369
Best Estimate
$956,383
WCAD Value
$969,149
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 $580,283 and $1,185,369. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16602 CORDILLERA DR, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,852 sqft Built 2001
Raw Value $845,449
Adjusted Value $1,108,374

Adjusted +$206,567 for 568 sqft more living space and +$56,358 for having a pool. Net adjustment: +$262,925.

16607 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,456 sqft Built 1999
Raw Value $779,094
Adjusted Value $1,185,369

Adjusted +$350,583 for 964 sqft more living space and -$666 for being older and +$56,358 for having a pool. Net adjustment: +$406,275.

16607 CORDILLERA DR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,818 sqft Built 2000
Raw Value $735,035
Adjusted Value $646,317

Adjusted -$144,743 for 398 sqft less living space and -$333 for being older and +$56,358 for having a pool. Net adjustment: -$88,718.

16600 CORDILLERA DR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,946 sqft Built 2001
Raw Value $715,218
Adjusted Value $580,283

Adjusted -$191,293 for 526 sqft less living space and +$56,358 for having a pool. Net adjustment: -$134,935.

16608 MALAGA HILLS DR, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
5 bed 4 bath 2,406 sqft Built 2001
Raw Value $894,934
Adjusted Value $956,383

Adjusted +$5,091 for 14 sqft more living space and +$56,358 for having a pool. Net adjustment: +$61,449.

The Neighborhood

This home is valued 24.5% 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
$969,149
Median
$778,705

This home is +24.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,418 across all districts. With a homestead exemption claimed, that drops to $16,990 — saving $1,428 per year. That's $1,416 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%$8,594
Brushy Creek MUDMUD0.3868%$3,722
Williamson CountyCounty0.3694%$3,555
Austin Community Collegespecial0.1034%$995
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$962
Williamson County FM/RdCounty0.0443%$427
Upper Brushy Creek WCIDWater0.0170%$164
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$18,418

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $956,383 would pay approximately $5,970 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