Beta Williamson County, TX only — data and coverage are limited during early access.

37 VALLEY VIEW DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed4 bath2,606 sqftBuilt 2002

Property at a Glance

This home is estimated between $436,903 and $1,400,385, with a best estimate of $598,765. 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

$436,903 $1,400,385
Best Estimate
$598,765
WCAD Value
$1,166,095
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 $436,903 and $1,400,385 should be treated as a rough guide.

Comparable Properties (5)

29 VALLEY VIEW DR, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
3 bed 3,226 sqft Built 1986
Raw Value $1,600,123
Adjusted Value $1,400,385

Adjusted -$199,537 for 620 sqft less living space and -$201 for being older. Net adjustment: -$199,738.

3 bed 2 bath 2,572 sqft Built 2004
Raw Value $425,936
Adjusted Value $436,903

Adjusted +$10,942 for 34 sqft more living space and +$25 for being newer. Net adjustment: +$10,967.

4 bed 3 bath 2,006 sqft Built 2002
Raw Value $359,769
Adjusted Value $552,870

Adjusted +$193,101 for 600 sqft more living space. Net adjustment: +$193,101.

4 bed 3 bath 1,896 sqft Built 2002
Raw Value $370,262
Adjusted Value $598,765

Adjusted +$228,503 for 710 sqft more living space. Net adjustment: +$228,503.

4 bed 3 bath 1,872 sqft Built 2003
Raw Value $383,829
Adjusted Value $620,069

Adjusted +$236,227 for 734 sqft more living space and +$13 for being newer. Net adjustment: +$236,240.

The Neighborhood

This home is valued 58.8% 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
$1,166,095
Median
$734,399

This home is +58.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,704 across all districts. With a homestead exemption claimed, that drops to $14,264 — saving $1,440 per year. That's $1,189 per month a buyer should budget. The assessed value increased +24.7% 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%$9,184
Williamson CountyCounty0.3694%$3,799
Austin Community Collegespecial0.1034%$1,063
Williamson County ESD #9 - Round RockESD0.0999%$1,027
Williamson County FM/RdCounty0.0443%$456
Upper Brushy Creek WCIDWater0.0170%$175
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$15,704
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 $598,765 would pay approximately $3,737 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.

View full property details