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3380 CATALINA CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed3 bath2,411 sqftBuilt 2020

Property at a Glance

This home is estimated between $414,879 and $689,209, with a best estimate of $484,857. That places the property below the R491507D - PALOMA LAKE PLANTATION, GRANDHAVEN median of $499,831, in a neighborhood that declined 1.7% over the past year.

Estimated Value Range

$414,879 $689,209
Best Estimate
$484,857
WCAD Value
$790,354
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 $414,879 and $689,209 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,422 sqft Built 2016
Raw Value $399,775
Adjusted Value $414,879

Adjusted -$2,399 for 11 sqft less living space and +$17,503 for being newer. Net adjustment: +$15,104.

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 $689,209

Adjusted +$6,542 for 30 sqft more living space and +$4,376 for being newer. Net adjustment: +$10,918.

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 $493,862

Adjusted -$175,984 for 807 sqft less living space and +$4,376 for being newer. Net adjustment: -$171,608.

4 bed 3 bath 2,256 sqft Built 2017
Raw Value $415,041
Adjusted Value $461,969

Adjusted +$33,801 for 155 sqft more living space and +$13,127 for being newer. Net adjustment: +$46,928.

4 bed 3 bath 2,197 sqft Built 2018
Raw Value $429,438
Adjusted Value $484,857

Adjusted +$46,667 for 214 sqft more living space and +$8,752 for being newer. Net adjustment: +$55,419.

The Neighborhood

This home is valued 58.1% 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

outlier high
695 Properties
$499,831 Median Value
-1.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$790,354
Median
$499,831

This home is +58.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,014 across all districts. With a homestead exemption claimed, that drops to $13,618 — saving $1,396 per year. That's $1,135 per month a buyer should budget. The assessed value increased +7.2% vs the subdivision average of -1.7%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,059
Paloma Lakes MUD #1MUD0.3725%$2,944
Williamson CountyCounty0.3694%$2,920
Austin Community Collegespecial0.1034%$817
Williamson County ESD #9 - Round RockESD0.0999%$790
Williamson County FM/RdCounty0.0443%$350
Upper Brushy Creek WCIDWater0.0170%$134
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$15,014
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $484,857 would pay approximately $3,026 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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