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

29 VALLEY VIEW DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed3,226 sqftBuilt 1986

Property at a Glance

This home is estimated between $541,758 and $881,398, with a best estimate of $646,574. 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

$541,758 $881,398
Best Estimate
$646,574
WCAD Value
$1,600,123
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 $541,758 and $881,398 should be treated as a rough guide.

Comparable Properties (5)

25 VALLEY VIEW DR, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,714 sqft Built 1984
Raw Value $508,990
Adjusted Value $881,398

Adjusted +$486,614 for 1,512 sqft more living space and -$25 for being older and -$114,181 for no pool. Net adjustment: +$372,408.

4 bed 2 bath 2,990 sqft Built 1977
Raw Value $465,918
Adjusted Value $541,758

Adjusted +$75,953 for 236 sqft more living space and -$113 for being older. Net adjustment: +$75,840.

4 bed 3 bath 2,857 sqft Built 1979
Raw Value $527,905
Adjusted Value $646,574

Adjusted +$118,757 for 369 sqft more living space and -$88 for being older. Net adjustment: +$118,669.

3 bed 2 bath 2,572 sqft Built 2004
Raw Value $425,936
Adjusted Value $636,642

Adjusted +$210,480 for 654 sqft more living space and +$226 for being newer. Net adjustment: +$210,706.

3 bed 2 bath 3,302 sqft Built 2020
Raw Value $783,225
Adjusted Value $759,194

Adjusted -$24,459 for 76 sqft less living space and +$428 for being newer. Net adjustment: -$24,031.

The Neighborhood

This home is valued 117.9% 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
$1,600,123
Median
$734,399

This home is +117.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,786 across all districts. With a homestead exemption claimed, that drops to $16,321 — saving $1,465 per year. That's $1,360 per month a buyer should budget. The assessed value increased +34.0% 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%$10,401
Williamson CountyCounty0.3694%$4,303
Austin Community Collegespecial0.1034%$1,204
Williamson County ESD #9 - Round RockESD0.0999%$1,164
Williamson County FM/RdCounty0.0443%$516
Upper Brushy Creek WCIDWater0.0170%$198
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$17,786
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 $646,574 would pay approximately $4,036 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