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

3864 ROYAL TROON DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,326 sqftBuilt 1994

Property at a Glance

This home is estimated between $543,343 and $598,460, with a best estimate of $565,656. 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

$543,343 $598,460
Best Estimate
$565,656
WCAD Value
$606,231
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 $543,343 and $598,460. 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 $592,723

Adjusted -$70,986 for 220 sqft less living space and -$10,812 for being older. Net adjustment: -$81,798.

3805 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,598 sqft Built 1993
Raw Value $620,295
Adjusted Value $543,343

Adjusted -$87,764 for 272 sqft less living space and +$10,812 for being newer. Net adjustment: -$76,952.

3860 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,293 sqft Built 1994
Raw Value $587,812
Adjusted Value $598,460

Adjusted +$10,648 for 33 sqft more living space. Net adjustment: +$10,648.

3833 ROYAL TROON DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,486 sqft Built 1993
Raw Value $606,470
Adjusted Value $565,656

Adjusted -$51,626 for 160 sqft less living space and +$10,812 for being newer. Net adjustment: -$40,814.

3713 ROYAL TROON CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,535 sqft Built 1993
Raw Value $604,080
Adjusted Value $547,456

Adjusted -$67,436 for 209 sqft less living space and +$10,812 for being newer. Net adjustment: -$56,624.

The Neighborhood

This home is valued 1.2% 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

typical
201 Properties
$613,809 Median Value
-1.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$606,231
Median
$613,809

This home is -1.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,908 across all districts. With a homestead exemption claimed, that drops to $9,545 — saving $1,363 per year. That's $795 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%$5,414
Round RockCity0.3720%$2,255
Williamson CountyCounty0.3694%$2,240
Austin Community Collegespecial0.1034%$627
Williamson County FM/RdCounty0.0443%$269
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,908

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $565,656 would pay approximately $3,531 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