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17 VALLEY CREEK DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed5 bath5,701 sqftBuilt 1985

Property at a Glance

This home is estimated between $1,555,422 and $1,948,830, with a best estimate of $1,790,849. 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

$1,555,422 $1,948,830
Best Estimate
$1,790,849
WCAD Value
$1,818,440
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $1,555,422 and $1,948,830. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

13 VALLEY CREEK DR, ROUND ROCK, TX 78664
0.00 mi 81% similar Same subdivision
3 bed 2 bath 3,310 sqft Built 1995
Raw Value $785,789
Adjusted Value $1,555,422

Adjusted +$769,507 for 2,391 sqft more living space and +$126 for being newer. Net adjustment: +$769,633.

4 bed 3,103 sqft Built 1994
Raw Value $1,112,591
Adjusted Value $1,948,830

Adjusted +$836,126 for 2,598 sqft more living space and +$113 for being newer. Net adjustment: +$836,239.

4 bed 4 bath 2,917 sqft Built 1998
Raw Value $894,697
Adjusted Value $1,790,849

Adjusted +$895,988 for 2,784 sqft more living space and +$164 for being newer. Net adjustment: +$896,152.

16 VALLEY CREEK DR, ROUND ROCK, TX 78664
0.00 mi 75% similar Same subdivision
3 bed 2 bath 1,610 sqft Built 1984
Raw Value $506,501
Adjusted Value $1,823,114

Adjusted +$1,316,626 for 4,091 sqft more living space and -$13 for being older. Net adjustment: +$1,316,613.

9 VALLEY CREEK DR, ROUND ROCK, TX 78664
0.00 mi 74% similar Same subdivision
3 bed 2 bath 2,251 sqft Built 1996
Raw Value $649,490
Adjusted Value $1,759,958

Adjusted +$1,110,330 for 3,450 sqft more living space and +$138 for being newer. Net adjustment: +$1,110,468.

The Neighborhood

This home is valued 147.6% 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
$1,818,440
Median
$734,399

This home is +147.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $27,771 across all districts. With a homestead exemption claimed, that drops to $26,185 — saving $1,586 per year. That's $2,182 per month a buyer should budget. The assessed value increased +22.4% 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%$16,240
Williamson CountyCounty0.3694%$6,718
Austin Community Collegespecial0.1034%$1,880
Williamson County ESD #9 - Round RockESD0.0999%$1,817
Williamson County FM/RdCounty0.0443%$806
Upper Brushy Creek WCIDWater0.0170%$309
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$27,771
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 $1,790,849 would pay approximately $11,178 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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