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3777 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,815 sqftBuilt 1995

Property at a Glance

This home is estimated between $279,680 and $647,152, with a best estimate of $369,048. 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

$279,680 $647,152
Best Estimate
$369,048
WCAD Value
$605,175
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 $279,680 and $647,152. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $323,347

Adjusted -$221,992 for 688 sqft less living space and +$21,625 for being newer. Net adjustment: -$200,367.

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 $279,680

Adjusted -$262,002 for 812 sqft less living space. Net adjustment: -$262,002.

3720 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,797 sqft Built 1993
Raw Value $568,464
Adjusted Value $595,897

Adjusted +$5,808 for 18 sqft more living space and +$21,625 for being newer. Net adjustment: +$27,433.

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 $647,152

Adjusted -$37,751 for 117 sqft less living space and -$10,812 for being older. Net adjustment: -$48,563.

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 $369,048

Adjusted -$93,572 for 290 sqft less living space and -$10,812 for being older. Net adjustment: -$104,384.

The Neighborhood

This home is valued 1.4% 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

typical
201 Properties
$613,809 Median Value
-1.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$605,175
Median
$613,809

This home is -1.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,889 across all districts. With a homestead exemption claimed, that drops to $9,527 — saving $1,362 per year. That's $794 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%$5,405
Round RockCity0.3720%$2,251
Williamson CountyCounty0.3694%$2,236
Austin Community Collegespecial0.1034%$626
Williamson County FM/RdCounty0.0443%$268
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,889

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $369,048 would pay approximately $2,304 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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