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

3805 ROYAL TROON DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,598 sqftBuilt 1993

Property at a Glance

This home is estimated between $187,201 and $675,412, with a best estimate of $642,608. That places the property above the R541693C - FOREST CREEK median of $613,809, in a neighborhood that declined 1.5% over the past year.

Estimated Value Range

$187,201 $675,412
Best Estimate
$642,608
WCAD Value
$620,295
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 $187,201 and $675,412. 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 $669,674

Adjusted +$16,778 for 52 sqft more living space and -$21,625 for being older. Net adjustment: -$4,847.

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 $187,201

Adjusted -$311,046 for 964 sqft less living space and -$48,334 for no pool. Net adjustment: -$359,380.

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 $222,958

Adjusted -$226,186 for 701 sqft less living space and -$43,250 for being older. Net adjustment: -$269,436.

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 $675,412

Adjusted +$98,412 for 305 sqft more living space and -$10,812 for being older. Net adjustment: +$87,600.

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 $642,608

Adjusted +$36,138 for 112 sqft more living space. Net adjustment: +$36,138.

The Neighborhood

This home is valued 1.1% above the R541693C - FOREST CREEK median of $613,809. With 201 homes in the subdivision, the property sits in the upper tier. 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
$620,295
Median
$613,809

This home is +1.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,161 across all districts. With a homestead exemption claimed, that drops to $9,796 — saving $1,365 per year. That's $816 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%$5,540
Round RockCity0.3720%$2,307
Williamson CountyCounty0.3694%$2,292
Austin Community Collegespecial0.1034%$641
Williamson County FM/RdCounty0.0443%$275
Upper Brushy Creek WCIDWater0.0170%$105
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,161

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $642,608 would pay approximately $4,011 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