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403 CREEK CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed4 bath2,533 sqftBuilt 1978

Property at a Glance

This home is estimated between $521,335 and $748,720, with a best estimate of $644,141. That places the property above the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$521,335 $748,720
Best Estimate
$644,141
WCAD Value
$397,739
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R450X - Round Rock East - Duplex. The estimated range of $521,335 and $748,720 should be treated as a rough guide.

Comparable Properties (5)

1406 DOUBLE CREEK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,636 sqft Built 1984
Raw Value $589,137
Adjusted Value $521,335

Adjusted -$20,014 for 103 sqft less living space and -$6,001 for being older and -$41,787 for no garage. Net adjustment: -$67,802.

5 bed 4 bath 2,413 sqft Built 1995
Raw Value $784,193
Adjusted Value $748,720

Adjusted +$23,317 for 120 sqft more living space and -$17,003 for being older and -$41,787 for no garage. Net adjustment: -$35,473.

4 bed 3 bath 3,353 sqft Built 1991
Raw Value $816,993
Adjusted Value $602,868

Adjusted -$159,336 for 820 sqft less living space and -$13,002 for being older and -$41,787 for no garage. Net adjustment: -$214,125.

4 bed 3 bath 2,171 sqft Built 2005
Raw Value $668,716
Adjusted Value $670,265

Adjusted +$70,341 for 362 sqft more living space and -$27,005 for being older and -$41,787 for no garage. Net adjustment: +$1,549.

3 bed 2 bath 2,109 sqft Built 1986
Raw Value $611,541
Adjusted Value $644,141

Adjusted +$82,388 for 424 sqft more living space and -$8,001 for being older and -$41,787 for no garage. Net adjustment: +$32,600.

The Neighborhood

This home is valued 11.9% above the R450X - Round Rock East - Duplex median of $355,449. With 836 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

typical
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$397,739
Median
$355,449

This home is +11.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,156 across all districts. With a homestead exemption claimed, that drops to $5,833 — saving $1,323 per year. That's $486 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%$3,552
Round RockCity0.3720%$1,480
Williamson CountyCounty0.3694%$1,469
Austin Community Collegespecial0.1034%$411
Williamson County FM/RdCounty0.0443%$176
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,156

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $644,141 would pay approximately $4,021 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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