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3 VALLEY TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1,978 sqftBuilt 2013

Property at a Glance

This home is estimated between $345,860 and $888,299, with a best estimate of $392,189. That places the property below 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

$345,860 $888,299
Best Estimate
$392,189
WCAD Value
$564,335
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 $345,860 and $888,299 should be treated as a rough guide.

Comparable Properties (5)

1 VALLEY TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,227 sqft Built 1994
Raw Value $968,675
Adjusted Value $888,299

Adjusted -$80,137 for 249 sqft less living space and -$239 for being older. Net adjustment: -$80,376.

4 bed 3 bath 2,121 sqft Built 1995
Raw Value $392,108
Adjusted Value $345,860

Adjusted -$46,022 for 143 sqft less living space and -$226 for being older. Net adjustment: -$46,248.

5 VALLEY TRL, ROUND ROCK, TX 78664
0.00 mi 88% similar Same subdivision
4 bed 3,674 sqft Built 2006
Raw Value $1,091,831
Adjusted Value $545,911

Adjusted -$545,832 for 1,696 sqft less living space and -$88 for being older. Net adjustment: -$545,920.

3 bed 4 bath 1,821 sqft Built 1984
Raw Value $342,026
Adjusted Value $392,189

Adjusted +$50,528 for 157 sqft more living space and -$365 for being older. Net adjustment: +$50,163.

3 bed 4 bath 1,815 sqft Built 1984
Raw Value $339,475
Adjusted Value $391,569

Adjusted +$52,459 for 163 sqft more living space and -$365 for being older. Net adjustment: +$52,094.

The Neighborhood

This home is valued 23.2% 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

below average
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$564,335
Median
$734,399

This home is -23.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,136 across all districts. With a homestead exemption claimed, that drops to $6,788 — saving $1,348 per year. That's $566 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%$4,758
Williamson CountyCounty0.3694%$1,968
Austin Community Collegespecial0.1034%$551
Williamson County ESD #9 - Round RockESD0.0999%$532
Williamson County FM/RdCounty0.0443%$236
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$8,136

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $392,189 would pay approximately $2,448 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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