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404 SOUTHERN CARINA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

6 bed6 bath3,126 sqftBuilt 2016

Property at a Glance

This home is estimated between $920,201 and $1,642,020, with a best estimate of $1,131,381. That places the property below the R304615B - HIGHLAND HORIZON PH3 median of $1,296,229, in a neighborhood that declined 3.4% over the past year.

Estimated Value Range

$920,201 $1,642,020
Best Estimate
$1,131,381
WCAD Value
$1,346,533
Low Confidence

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

There are 5 comparable properties within range, but few are in R304615B - HIGHLAND HORIZON PH3. The estimated range of $920,201 and $1,642,020 should be treated as a rough guide.

Comparable Properties (5)

400 SOUTHERN CARINA DR, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
5 bed 4 bath 2,404 sqft Built 2017
Raw Value $1,330,513
Adjusted Value $1,642,020

Adjusted +$311,507 for 722 sqft more living space. Net adjustment: +$311,507.

408 SOUTHERN CARINA DR, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
4 bed 4 bath 3,980 sqft Built 2016
Raw Value $1,288,659
Adjusted Value $920,201

Adjusted -$368,458 for 854 sqft less living space. Net adjustment: -$368,458.

4 bed 3 bath 2,249 sqft Built 2014
Raw Value $752,999
Adjusted Value $1,131,381

Adjusted +$378,382 for 877 sqft more living space. Net adjustment: +$378,382.

3 bed 2,110 sqft Built 2014
Raw Value $633,183
Adjusted Value $1,071,536

Adjusted +$438,353 for 1,016 sqft more living space. Net adjustment: +$438,353.

4 bed 3 bath 1,793 sqft Built 2014
Raw Value $712,166
Adjusted Value $1,287,289

Adjusted +$575,123 for 1,333 sqft more living space. Net adjustment: +$575,123.

The Neighborhood

This home is valued 3.9% above the R304615B - HIGHLAND HORIZON PH3 median of $1,296,229. With 27 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.4% over the past year.

R304615B - HIGHLAND HORIZON PH3

typical
27 Properties
$1,296,229 Median Value
-3.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$1,346,533
Median
$1,296,229

This home is +3.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $26,986 across all districts. With a homestead exemption claimed, that drops to $25,487 — saving $1,499 per year. That's $2,124 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%$12,026
Brushy Creek MUDMUD0.3868%$5,209
Williamson CountyCounty0.3694%$4,975
Austin Community Collegespecial0.1034%$1,392
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$1,347
Brushy Creek MUD Defined AreaMUD0.0900%$1,212
Williamson County FM/RdCounty0.0443%$597
Upper Brushy Creek WCIDWater0.0170%$229
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$26,986

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,131,381 would pay approximately $7,062 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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