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

3764 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath2,525 sqftBuilt 1995

Property at a Glance

This home is estimated between $508,770 and $876,242, with a best estimate of $573,138. 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

$508,770 $876,242
Best Estimate
$573,138
WCAD Value
$540,438
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 $508,770 and $876,242. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3737 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,989 sqft Built 1994
Raw Value $712,041
Adjusted Value $573,138

Adjusted -$149,715 for 464 sqft less living space and +$10,812 for being newer. Net adjustment: -$138,903.

3700 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,503 sqft Built 1993
Raw Value $523,714
Adjusted Value $552,438

Adjusted +$7,099 for 22 sqft more living space and +$21,625 for being newer. Net adjustment: +$28,724.

3760 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,627 sqft Built 1995
Raw Value $541,682
Adjusted Value $508,770

Adjusted -$32,912 for 102 sqft less living space. Net adjustment: -$32,912.

3749 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,932 sqft Built 1996
Raw Value $695,715
Adjusted Value $876,242

Adjusted +$191,339 for 593 sqft more living space and -$10,812 for being older. Net adjustment: +$180,527.

3738 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,105 sqft Built 1996
Raw Value $473,432
Adjusted Value $598,138

Adjusted +$135,518 for 420 sqft more living space and -$10,812 for being older. Net adjustment: +$124,706.

The Neighborhood

This home is valued 12.0% 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
$540,438
Median
$613,809

This home is -12.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,724 across all districts. With a homestead exemption claimed, that drops to $8,374 — saving $1,350 per year. That's $698 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%$4,827
Round RockCity0.3720%$2,010
Williamson CountyCounty0.3694%$1,997
Austin Community Collegespecial0.1034%$559
Williamson County FM/RdCounty0.0443%$240
Upper Brushy Creek WCIDWater0.0170%$92
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,724

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $573,138 would pay approximately $3,578 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