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5 VALLEY TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3,674 sqftBuilt 2006

Property at a Glance

This home is estimated between $858,063 and $1,434,219, with a best estimate of $1,010,363. 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

$858,063 $1,434,219
Best Estimate
$1,010,363
WCAD Value
$1,091,831
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 $858,063 and $1,434,219 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 2,730 sqft Built 1994
Raw Value $706,702
Adjusted Value $1,010,363

Adjusted +$303,812 for 944 sqft more living space and -$151 for being older. Net adjustment: +$303,661.

1 VALLEY TRL, ROUND ROCK, TX 78664
0.00 mi 89% similar Same subdivision
3 bed 3 bath 2,227 sqft Built 1994
Raw Value $968,675
Adjusted Value $1,434,219

Adjusted +$465,695 for 1,447 sqft more living space and -$151 for being older. Net adjustment: +$465,544.

3 VALLEY TRL, ROUND ROCK, TX 78664
0.00 mi 88% similar Same subdivision
3 bed 1,978 sqft Built 2013
Raw Value $564,335
Adjusted Value $1,110,255

Adjusted +$545,832 for 1,696 sqft more living space and +$88 for being newer. Net adjustment: +$545,920.

4 bed 2 bath 2,253 sqft Built 1994
Raw Value $404,415
Adjusted Value $861,591

Adjusted +$457,327 for 1,421 sqft more living space and -$151 for being older. Net adjustment: +$457,176.

4 bed 2 bath 2,253 sqft Built 1994
Raw Value $400,887
Adjusted Value $858,063

Adjusted +$457,327 for 1,421 sqft more living space and -$151 for being older. Net adjustment: +$457,176.

The Neighborhood

This home is valued 48.7% above the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. With 213 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 3.8% over the past year.

R575583D - RR Rual Sub 122 & Gattis School Rd Area

above average
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$1,091,831
Median
$734,399

This home is +48.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,427 across all districts. With a homestead exemption claimed, that drops to $13,990 — saving $1,437 per year. That's $1,166 per month a buyer should budget. The assessed value increased +18.9% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$9,022
Williamson CountyCounty0.3694%$3,732
Austin Community Collegespecial0.1034%$1,044
Williamson County ESD #9 - Round RockESD0.0999%$1,009
Williamson County FM/RdCounty0.0443%$448
Upper Brushy Creek WCIDWater0.0170%$172
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$15,427
95 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,010,363 would pay approximately $6,307 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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