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

3884 ROYAL TROON DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath2,376 sqftBuilt 1997

Property at a Glance

This home is estimated between $441,714 and $963,956, with a best estimate of $517,239. That places the property below the R541693C - FOREST CREEK median of $613,809, in a neighborhood that declined 1.5% over the past year.

Estimated Value Range

$441,714 $963,956
Best Estimate
$517,239
WCAD Value
$519,529
High Confidence

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

Based on 5 comparable properties in R541693C - FOREST CREEK, this home's estimated market value is between $441,714 and $963,956. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3849 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,546 sqft Built 1995
Raw Value $674,521
Adjusted Value $963,956

Adjusted +$267,810 for 830 sqft more living space and +$21,625 for being newer. Net adjustment: +$289,435.

3885 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,899 sqft Built 1996
Raw Value $599,654
Adjusted Value $441,714

Adjusted -$168,752 for 523 sqft less living space and +$10,812 for being newer. Net adjustment: -$157,940.

3892 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,226 sqft Built 1994
Raw Value $658,281
Adjusted Value $739,117

Adjusted +$48,399 for 150 sqft more living space and +$32,437 for being newer. Net adjustment: +$80,836.

3809 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,562 sqft Built 1993
Raw Value $546,581
Adjusted Value $481,482

Adjusted -$60,015 for 186 sqft less living space and +$43,250 for being newer and -$48,334 for no pool. Net adjustment: -$65,099.

3873 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,299 sqft Built 1997
Raw Value $492,394
Adjusted Value $517,239

Adjusted +$24,845 for 77 sqft more living space. Net adjustment: +$24,845.

The Neighborhood

This home is valued 15.4% below the R541693C - FOREST CREEK median of $613,809. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.5% over the past year.

R541693C - FOREST CREEK

below average
201 Properties
$613,809 Median Value
-1.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$519,529
Median
$613,809

This home is -15.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,348 across all districts. With a homestead exemption claimed, that drops to $8,001 — saving $1,347 per year. That's $667 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%$4,640
Round RockCity0.3720%$1,933
Williamson CountyCounty0.3694%$1,919
Austin Community Collegespecial0.1034%$537
Williamson County FM/RdCounty0.0443%$230
Upper Brushy Creek WCIDWater0.0170%$88
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,348

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $517,239 would pay approximately $3,229 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