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401/403 LAKE CREEK CIR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,750 sqftBuilt 1978

Property at a Glance

This home is estimated between $302,900 and $565,475, with a best estimate of $436,275. 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

$302,900 $565,475
Best Estimate
$436,275
WCAD Value
$320,047
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R450X - Round Rock East - Duplex. The estimated range of $302,900 and $565,475 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,682 sqft Built 1982
Raw Value $468,850
Adjusted Value $436,275

Adjusted +$13,213 for 68 sqft more living space and -$4,001 for being older and -$41,787 for no garage. Net adjustment: -$32,575.

3 bed 2 bath 1,667 sqft Built 1983
Raw Value $407,291
Adjusted Value $376,631

Adjusted +$16,128 for 83 sqft more living space and -$5,001 for being older and -$41,787 for no garage. Net adjustment: -$30,660.

4 bed 2 bath 1,751 sqft Built 1983
Raw Value $496,299
Adjusted Value $449,317

Adjusted -$194 for 1 sqft less living space and -$5,001 for being older and -$41,787 for no garage. Net adjustment: -$46,982.

3 bed 2 bath 2,197 sqft Built 1975
Raw Value $428,544
Adjusted Value $302,900

Adjusted -$86,858 for 447 sqft less living space and +$3,001 for being newer and -$41,787 for no garage. Net adjustment: -$125,644.

4 bed 2 bath 1,918 sqft Built 1974
Raw Value $635,905
Adjusted Value $565,475

Adjusted -$32,644 for 168 sqft less living space and +$4,001 for being newer and -$41,787 for no garage. Net adjustment: -$70,430.

The Neighborhood

This home is valued 10.0% below the R450X - Round Rock East - Duplex median of $355,449. That positions it competitively for buyers comparing within the neighborhood. 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
$320,047
Median
$355,449

This home is -10.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,759 across all districts. With a homestead exemption claimed, that drops to $4,449 — saving $1,310 per year. That's $371 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%$2,858
Round RockCity0.3720%$1,191
Williamson CountyCounty0.3694%$1,182
Austin Community Collegespecial0.1034%$331
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,759

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $436,275 would pay approximately $2,723 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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