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310 LAKE CREEK CIR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,768 sqftBuilt 1978

Property at a Glance

This home is estimated between $255,699 and $321,893, with a best estimate of $275,671. That places the property below the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$255,699 $321,893
Best Estimate
$275,671
WCAD Value
$324,757
High Confidence

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

Based on 5 comparable properties in R450X - Round Rock East - Duplex, this home's estimated market value is between $255,699 and $321,893. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

300 LAKE CREEK CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,208 sqft Built 1978
Raw Value $361,168
Adjusted Value $275,671

Adjusted -$85,497 for 440 sqft less living space. Net adjustment: -$85,497.

320/322 LAKE CREEK CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,692 sqft Built 1978
Raw Value $322,555
Adjusted Value $295,536

Adjusted +$14,768 for 76 sqft more living space and -$41,787 for no garage. Net adjustment: -$27,019.

304 LAKE CREEK CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,750 sqft Built 1978
Raw Value $318,395
Adjusted Value $321,893

Adjusted +$3,498 for 18 sqft more living space. Net adjustment: +$3,498.

413/415 LAKE CREEK CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,041 sqft Built 1975
Raw Value $357,523
Adjusted Value $265,690

Adjusted -$53,047 for 273 sqft less living space and +$3,001 for being newer and -$41,787 for no garage. Net adjustment: -$91,833.

425/427 LAKE CREEK CIR, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
4 bed 4 bath 2,234 sqft Built 1978
Raw Value $388,036
Adjusted Value $255,699

Adjusted -$90,550 for 466 sqft less living space and -$41,787 for no garage. Net adjustment: -$132,337.

The Neighborhood

This home is valued 8.6% 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
$324,757
Median
$355,449

This home is -8.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,843 across all districts. With a homestead exemption claimed, that drops to $4,533 — saving $1,310 per year. That's $378 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%$2,900
Round RockCity0.3720%$1,208
Williamson CountyCounty0.3694%$1,200
Austin Community Collegespecial0.1034%$336
Williamson County FM/RdCounty0.0443%$144
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,843

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $275,671 would pay approximately $1,721 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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