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3421 LONGHORN TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,280 sqftBuilt 2004

Property at a Glance

This home is estimated between $388,653 and $426,275, with a best estimate of $410,296. That places the property above the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$388,653 $426,275
Best Estimate
$410,296
WCAD Value
$395,610
High Confidence

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

Based on 5 comparable properties in R401598G - Eagle Ridge - ALL SECTIONS, this home's estimated market value is between $388,653 and $426,275. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3444 LONGHORN TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,260 sqft Built 2004
Raw Value $399,015
Adjusted Value $403,515

Adjusted +$4,500 for 20 sqft more living space. Net adjustment: +$4,500.

3437 LONGHORN TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,260 sqft Built 2004
Raw Value $405,796
Adjusted Value $410,296

Adjusted +$4,500 for 20 sqft more living space. Net adjustment: +$4,500.

3409 LONGHORN TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,431 sqft Built 2005
Raw Value $425,819
Adjusted Value $388,653

Adjusted -$33,975 for 151 sqft less living space and -$3,191 for being older. Net adjustment: -$37,166.

3425 LONGHORN TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,035 sqft Built 2004
Raw Value $371,151
Adjusted Value $426,275

Adjusted +$55,124 for 245 sqft more living space. Net adjustment: +$55,124.

3424 LONGHORN TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,260 sqft Built 2004
Raw Value $406,010
Adjusted Value $410,510

Adjusted +$4,500 for 20 sqft more living space. Net adjustment: +$4,500.

The Neighborhood

This home is valued 11.8% above the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883. With 749 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.1% over the past year.

R401598G - Eagle Ridge - ALL SECTIONS

typical
749 Properties
$353,883 Median Value
-8.1% YoY Change
0% Have Pool
100% Have Garage
This Home
$395,610
Median
$353,883

This home is +11.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,118 across all districts. With a homestead exemption claimed, that drops to $5,795 — saving $1,323 per year. That's $483 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%$3,533
Round RockCity0.3720%$1,472
Williamson CountyCounty0.3694%$1,462
Austin Community Collegespecial0.1034%$409
Williamson County FM/RdCounty0.0443%$175
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,118

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $410,296 would pay approximately $2,561 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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