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8 VALLEY CREEK RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath3,539 sqftBuilt 1976

Property at a Glance

This home is estimated between $699,481 and $1,109,476, with a best estimate of $894,687. That places the property above the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399, in a neighborhood that appreciated 3.8% over the past year.

Estimated Value Range

$699,481 $1,109,476
Best Estimate
$894,687
WCAD Value
$709,229
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R575583D - RR Rual Sub 122 & Gattis School Rd Area. The estimated range of $699,481 and $1,109,476 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,433 sqft Built 1978
Raw Value $343,507
Adjusted Value $699,481

Adjusted +$355,949 for 1,106 sqft more living space and +$25 for being newer. Net adjustment: +$355,974.

6 VALLEY CREEK RD, ROUND ROCK, TX 78664
0.00 mi 90% similar Same subdivision
3 bed 2 bath 1,820 sqft Built 1995
Raw Value $556,003
Adjusted Value $1,109,476

Adjusted +$553,234 for 1,719 sqft more living space and +$239 for being newer. Net adjustment: +$553,473.

48 VALLEY VIEW RD, ROUND ROCK, TX 78664
0.00 mi 90% similar Same subdivision
3 bed 2 bath 2,100 sqft Built 2004
Raw Value $579,547
Adjusted Value $1,043,019

Adjusted +$463,120 for 1,439 sqft more living space and +$352 for being newer. Net adjustment: +$463,472.

3 bed 2 bath 1,856 sqft Built 1978
Raw Value $315,605
Adjusted Value $857,278

Adjusted +$541,648 for 1,683 sqft more living space and +$25 for being newer. Net adjustment: +$541,673.

3 bed 2 bath 1,702 sqft Built 1978
Raw Value $303,452
Adjusted Value $894,687

Adjusted +$591,210 for 1,837 sqft more living space and +$25 for being newer. Net adjustment: +$591,235.

The Neighborhood

This home is valued 3.4% below the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.8% over the past year.

R575583D - RR Rual Sub 122 & Gattis School Rd Area

typical
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$709,229
Median
$734,399

This home is -3.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,831 across all districts. With a homestead exemption claimed, that drops to $9,450 — saving $1,381 per year. That's $788 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%$6,334
Williamson CountyCounty0.3694%$2,620
Austin Community Collegespecial0.1034%$733
Williamson County ESD #9 - Round RockESD0.0999%$709
Williamson County FM/RdCounty0.0443%$314
Upper Brushy Creek WCIDWater0.0170%$121
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$10,831

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $894,687 would pay approximately $5,585 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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