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11 VALLEY TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed3,548 sqftBuilt 2021

Property at a Glance

This home is estimated between $817,323 and $1,393,479, with a best estimate of $969,623. 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

$817,323 $1,393,479
Best Estimate
$969,623
WCAD Value
$1,112,692
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 $817,323 and $1,393,479 should be treated as a rough guide.

Comparable Properties (5)

3 VALLEY TRL, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
3 bed 1,978 sqft Built 2013
Raw Value $564,335
Adjusted Value $1,069,514

Adjusted +$505,280 for 1,570 sqft more living space and -$101 for being older. Net adjustment: +$505,179.

1 VALLEY TRL, ROUND ROCK, TX 78664
0.00 mi 87% similar Same subdivision
3 bed 3 bath 2,227 sqft Built 1994
Raw Value $968,675
Adjusted Value $1,393,479

Adjusted +$425,144 for 1,321 sqft more living space and -$340 for being older. Net adjustment: +$424,804.

4 bed 2 bath 2,730 sqft Built 1994
Raw Value $706,702
Adjusted Value $969,623

Adjusted +$263,261 for 818 sqft more living space and -$340 for being older. Net adjustment: +$262,921.

4 bed 2 bath 2,253 sqft Built 1994
Raw Value $404,415
Adjusted Value $820,851

Adjusted +$416,776 for 1,295 sqft more living space and -$340 for being older. Net adjustment: +$416,436.

4 bed 2 bath 2,253 sqft Built 1994
Raw Value $400,887
Adjusted Value $817,323

Adjusted +$416,776 for 1,295 sqft more living space and -$340 for being older. Net adjustment: +$416,436.

The Neighborhood

This home is valued 51.5% 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

outlier high
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$1,112,692
Median
$734,399

This home is +51.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,145 across all districts. With a homestead exemption claimed, that drops to $14,700 — saving $1,445 per year. That's $1,225 per month a buyer should budget. The assessed value increased +26.3% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$9,442
Williamson CountyCounty0.3694%$3,906
Austin Community Collegespecial0.1034%$1,093
Williamson County ESD #9 - Round RockESD0.0999%$1,056
Williamson County FM/RdCounty0.0443%$469
Upper Brushy Creek WCIDWater0.0170%$180
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$16,145
100 / 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 $969,623 would pay approximately $6,052 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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