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3770 ROYAL PORT RUSH DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,903 sqftBuilt 1996

Property at a Glance

This home is estimated between $318,887 and $686,358, with a best estimate of $408,254. 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

$318,887 $686,358
Best Estimate
$408,254
WCAD Value
$667,111
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 $318,887 and $686,358. 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 $362,554

Adjusted -$193,597 for 600 sqft less living space and +$32,437 for being newer. Net adjustment: -$161,160.

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 $318,887

Adjusted -$233,607 for 724 sqft less living space and +$10,812 for being newer. Net adjustment: -$222,795.

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 $635,103

Adjusted +$34,202 for 106 sqft more living space and +$32,437 for being newer. Net adjustment: +$66,639.

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 $686,358

Adjusted -$9,357 for 29 sqft less living space. Net adjustment: -$9,357.

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 $408,254

Adjusted -$65,178 for 202 sqft less living space. Net adjustment: -$65,178.

The Neighborhood

This home is valued 8.7% 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
$667,111
Median
$613,809

This home is +8.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,003 across all districts. With a homestead exemption claimed, that drops to $10,630 — saving $1,373 per year. That's $886 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%$5,958
Round RockCity0.3720%$2,482
Williamson CountyCounty0.3694%$2,465
Austin Community Collegespecial0.1034%$690
Williamson County FM/RdCounty0.0443%$296
Upper Brushy Creek WCIDWater0.0170%$113
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,003

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $408,254 would pay approximately $2,548 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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