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3340 CATALINA CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed3 bath2,611 sqftBuilt 2019

Property at a Glance

This home is estimated between $454,118 and $728,448, with a best estimate of $721,519. 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

$454,118 $728,448
Best Estimate
$721,519
WCAD Value
$624,976
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 $454,118 and $728,448 should be treated as a rough guide.

Comparable Properties (5)

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 $728,448

Adjusted +$50,157 for 230 sqft more living space. Net adjustment: +$50,157.

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 $533,100

Adjusted -$132,370 for 607 sqft less living space. Net adjustment: -$132,370.

4 bed 3 bath 2,835 sqft Built 2017
Raw Value $761,615
Adjusted Value $721,519

Adjusted -$48,848 for 224 sqft less living space and +$8,752 for being newer. Net adjustment: -$40,096.

5 bed 4 bath 2,779 sqft Built 2017
Raw Value $755,538
Adjusted Value $727,654

Adjusted -$36,636 for 168 sqft less living space and +$8,752 for being newer. Net adjustment: -$27,884.

4 bed 3 bath 2,422 sqft Built 2016
Raw Value $399,775
Adjusted Value $454,118

Adjusted +$41,216 for 189 sqft more living space and +$13,127 for being newer. Net adjustment: +$54,343.

The Neighborhood

This home is valued 25.0% 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

above average
695 Properties
$499,831 Median Value
-1.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$624,976
Median
$499,831

This home is +25.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,873 across all districts. With a homestead exemption claimed, that drops to $10,507 — saving $1,366 per year. That's $876 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%$5,582
Paloma Lakes MUD #1MUD0.3725%$2,328
Williamson CountyCounty0.3694%$2,309
Austin Community Collegespecial0.1034%$646
Williamson County ESD #9 - Round RockESD0.0999%$624
Williamson County FM/RdCounty0.0443%$277
Upper Brushy Creek WCIDWater0.0170%$106
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$11,873

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $721,519 would pay approximately $4,504 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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