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3320 CATALINA CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed4 bath2,451 sqftBuilt 2020

Property at a Glance

This home is estimated between $423,602 and $697,932, with a best estimate of $633,906. That places the property above the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831, in a neighborhood that declined 1.7% over the past year.

Estimated Value Range

$423,602 $697,932
Best Estimate
$633,906
WCAD Value
$793,479
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN. The estimated range of $423,602 and $697,932 should be treated as a rough guide.

Comparable Properties (5)

5 bed 4 bath 2,205 sqft Built 2017
Raw Value $567,133
Adjusted Value $633,906

Adjusted +$53,646 for 246 sqft more living space and +$13,127 for being newer. Net adjustment: +$66,773.

3365 CATALINA CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 2,381 sqft Built 2019
Raw Value $678,291
Adjusted Value $697,932

Adjusted +$15,265 for 70 sqft more living space and +$4,376 for being newer. Net adjustment: +$19,641.

5 bed 4 bath 2,779 sqft Built 2017
Raw Value $755,538
Adjusted Value $697,137

Adjusted -$71,528 for 328 sqft less living space and +$13,127 for being newer. Net adjustment: -$58,401.

3364 CATALINA CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,218 sqft Built 2019
Raw Value $665,470
Adjusted Value $502,584

Adjusted -$167,262 for 767 sqft less living space and +$4,376 for being newer. Net adjustment: -$162,886.

4 bed 3 bath 2,422 sqft Built 2016
Raw Value $399,775
Adjusted Value $423,602

Adjusted +$6,324 for 29 sqft more living space and +$17,503 for being newer. Net adjustment: +$23,827.

The Neighborhood

This home is valued 58.7% above the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831. With 695 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 1.7% over the past year.

R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN

outlier high
695 Properties
$499,831 Median Value
-1.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$793,479
Median
$499,831

This home is +58.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,074 across all districts. With a homestead exemption claimed, that drops to $13,677 — saving $1,397 per year. That's $1,140 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%$7,087
Paloma Lakes MUD #1MUD0.3725%$2,956
Williamson CountyCounty0.3694%$2,931
Austin Community Collegespecial0.1034%$820
Williamson County ESD #9 - Round RockESD0.0999%$793
Williamson County FM/RdCounty0.0443%$352
Upper Brushy Creek WCIDWater0.0170%$135
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$15,074

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $633,906 would pay approximately $3,957 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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