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3521 LONGHORN TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,369 sqftBuilt 2005

Property at a Glance

This home is estimated between $310,998 and $323,258, with a best estimate of $320,213. That places the property below the R401598G - Eagle Ridge - ALL SECTIONS median of $353,883, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$310,998 $323,258
Best Estimate
$320,213
WCAD Value
$419,685
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 $310,998 and $323,258. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3513 LONGHORN TRL, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,756 sqft Built 2005
Raw Value $398,072
Adjusted Value $310,998

Adjusted -$87,074 for 387 sqft less living space. Net adjustment: -$87,074.

3528 RAMS HORN WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,686 sqft Built 2003
Raw Value $385,156
Adjusted Value $320,213

Adjusted -$71,324 for 317 sqft less living space and +$6,381 for being newer. Net adjustment: -$64,943.

3524 LONGHORN TRL, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,672 sqft Built 2006
Raw Value $392,093
Adjusted Value $320,728

Adjusted -$68,174 for 303 sqft less living space and -$3,191 for being older. Net adjustment: -$71,365.

3516 RAMS HORN WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,766 sqft Built 2004
Raw Value $401,048
Adjusted Value $314,915

Adjusted -$89,324 for 397 sqft less living space and +$3,191 for being newer. Net adjustment: -$86,133.

3536 RAMS HORN WAY, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,744 sqft Built 2007
Raw Value $414,013
Adjusted Value $323,258

Adjusted -$84,374 for 375 sqft less living space and -$6,381 for being older. Net adjustment: -$90,755.

The Neighborhood

This home is valued 18.6% 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

above average
749 Properties
$353,883 Median Value
-8.1% YoY Change
0% Have Pool
100% Have Garage
This Home
$419,685
Median
$353,883

This home is +18.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,551 across all districts. With a homestead exemption claimed, that drops to $6,223 — saving $1,328 per year. That's $519 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%$3,748
Round RockCity0.3720%$1,561
Williamson CountyCounty0.3694%$1,551
Austin Community Collegespecial0.1034%$434
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,551

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $320,213 would pay approximately $1,999 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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