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

3609 LONGHORN TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,642 sqftBuilt 2008

Property at a Glance

This home is estimated between $419,508 and $589,112, with a best estimate of $443,242. 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

$419,508 $589,112
Best Estimate
$443,242
WCAD Value
$389,367
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 $419,508 and $589,112. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3605 LONGHORN TRL, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,396 sqft Built 2007
Raw Value $366,611
Adjusted Value $425,151

Adjusted +$55,349 for 246 sqft more living space and +$3,191 for being newer. Net adjustment: +$58,540.

3608 RAMS HORN WAY, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,518 sqft Built 2006
Raw Value $385,227
Adjusted Value $419,508

Adjusted +$27,900 for 124 sqft more living space and +$6,381 for being newer. Net adjustment: +$34,281.

3608 SHORT HORN LN, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,375 sqft Built 2005
Raw Value $373,596
Adjusted Value $443,242

Adjusted +$60,074 for 267 sqft more living space and +$9,572 for being newer. Net adjustment: +$69,646.

3604 SHORT HORN LN, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,067 sqft Built 2003
Raw Value $443,785
Adjusted Value $589,112

Adjusted +$129,374 for 575 sqft more living space and +$15,953 for being newer. Net adjustment: +$145,327.

3604 RAMS HORN WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,139 sqft Built 2006
Raw Value $450,698
Adjusted Value $570,253

Adjusted +$113,174 for 503 sqft more living space and +$6,381 for being newer. Net adjustment: +$119,555.

The Neighborhood

This home is valued 10.0% 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
$389,367
Median
$353,883

This home is +10.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,006 across all districts. With a homestead exemption claimed, that drops to $5,684 — saving $1,322 per year. That's $474 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%$3,477
Round RockCity0.3720%$1,448
Williamson CountyCounty0.3694%$1,439
Austin Community Collegespecial0.1034%$403
Williamson County FM/RdCounty0.0443%$173
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,006

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $443,242 would pay approximately $2,767 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