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10 VALLEY TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,537 sqftBuilt 1980

Property at a Glance

This home is estimated between $492,464 and $1,068,620, with a best estimate of $573,182. 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

$492,464 $1,068,620
Best Estimate
$573,182
WCAD Value
$743,696
Low Confidence

Based on 5 comparable properties(1 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 $492,464 and $1,068,620 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 $1,068,620

Adjusted +$99,769 for 310 sqft more living space and +$176 for being newer. Net adjustment: +$99,945.

4 bed 2 bath 2,243 sqft Built 1977
Raw Value $478,601
Adjusted Value $573,182

Adjusted +$94,619 for 294 sqft more living space and -$38 for being older. Net adjustment: +$94,581.

4 bed 2 bath 2,730 sqft Built 1994
Raw Value $706,702
Adjusted Value $644,764

Adjusted -$62,114 for 193 sqft less living space and +$176 for being newer. Net adjustment: -$61,938.

4 bed 2 bath 2,253 sqft Built 1994
Raw Value $404,415
Adjusted Value $495,992

Adjusted +$91,401 for 284 sqft more living space and +$176 for being newer. Net adjustment: +$91,577.

4 bed 2 bath 2,253 sqft Built 1994
Raw Value $400,887
Adjusted Value $492,464

Adjusted +$91,401 for 284 sqft more living space and +$176 for being newer. Net adjustment: +$91,577.

The Neighborhood

This home is valued 1.3% 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

typical
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$743,696
Median
$734,399

This home is +1.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,358 across all districts. With a homestead exemption claimed, that drops to $9,970 — saving $1,388 per year. That's $831 per month a buyer should budget. The assessed value increased +6.9% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,642
Williamson CountyCounty0.3694%$2,748
Austin Community Collegespecial0.1034%$769
Williamson County ESD #9 - Round RockESD0.0999%$743
Williamson County FM/RdCounty0.0443%$330
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$11,358
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $573,182 would pay approximately $3,578 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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