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

3375 CATALINA CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,684 sqftBuilt 2020

Property at a Glance

This home is estimated between $474,413 and $748,743, with a best estimate of $553,395. 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

$474,413 $748,743
Best Estimate
$553,395
WCAD Value
$580,235
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 $474,413 and $748,743 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,835 sqft Built 2017
Raw Value $761,615
Adjusted Value $741,813

Adjusted -$32,929 for 151 sqft less living space and +$13,127 for being newer. Net adjustment: -$19,802.

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 $748,743

Adjusted +$66,076 for 303 sqft more living space and +$4,376 for being newer. Net adjustment: +$70,452.

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 $553,395

Adjusted -$116,451 for 534 sqft less living space and +$4,376 for being newer. Net adjustment: -$112,075.

4 bed 3 bath 2,422 sqft Built 2016
Raw Value $399,775
Adjusted Value $474,413

Adjusted +$57,135 for 262 sqft more living space and +$17,503 for being newer. Net adjustment: +$74,638.

4 bed 3 bath 2,880 sqft Built 2011
Raw Value $515,721
Adjusted Value $512,361

Adjusted -$42,742 for 196 sqft less living space and +$39,382 for being newer. Net adjustment: -$3,360.

The Neighborhood

This home is valued 16.1% 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
$580,235
Median
$499,831

This home is +16.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,023 across all districts. With a homestead exemption claimed, that drops to $9,665 — saving $1,358 per year. That's $805 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%$5,182
Paloma Lakes MUD #1MUD0.3725%$2,161
Williamson CountyCounty0.3694%$2,144
Austin Community Collegespecial0.1034%$600
Williamson County ESD #9 - Round RockESD0.0999%$580
Williamson County FM/RdCounty0.0443%$257
Upper Brushy Creek WCIDWater0.0170%$99
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$11,023

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $553,395 would pay approximately $3,454 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