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

3321 CATALINA CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed3 bath2,801 sqftBuilt 2020

Property at a Glance

This home is estimated between $537,875 and $774,257, with a best estimate of $767,328. 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

$537,875 $774,257
Best Estimate
$767,328
WCAD Value
$576,326
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 $537,875 and $774,257 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 $767,328

Adjusted -$7,414 for 34 sqft less living space and +$13,127 for being newer. Net adjustment: +$5,713.

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 $774,257

Adjusted +$91,590 for 420 sqft more living space and +$4,376 for being newer. Net adjustment: +$95,966.

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 $578,910

Adjusted -$90,936 for 417 sqft less living space and +$4,376 for being newer. Net adjustment: -$86,560.

5 bed 4 bath 2,779 sqft Built 2017
Raw Value $755,538
Adjusted Value $773,463

Adjusted +$4,798 for 22 sqft more living space and +$13,127 for being newer. Net adjustment: +$17,925.

4 bed 3 bath 2,880 sqft Built 2011
Raw Value $515,721
Adjusted Value $537,875

Adjusted -$17,228 for 79 sqft less living space and +$39,382 for being newer. Net adjustment: +$22,154.

The Neighborhood

This home is valued 15.3% 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
$576,326
Median
$499,831

This home is +15.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,948 across all districts. With a homestead exemption claimed, that drops to $9,592 — saving $1,356 per year. That's $799 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%$5,147
Paloma Lakes MUD #1MUD0.3725%$2,147
Williamson CountyCounty0.3694%$2,129
Austin Community Collegespecial0.1034%$596
Williamson County ESD #9 - Round RockESD0.0999%$576
Williamson County FM/RdCounty0.0443%$255
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$10,948

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $767,328 would pay approximately $4,790 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