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2004 WESTVALLEY PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,786 sqftBuilt 2007

Property at a Glance

This home is estimated between $426,602 and $937,684, with a best estimate of $523,465. That places the property below the R420606C - TERAVISTA R5 median of $646,108, in a neighborhood that appreciated 2.5% over the past year.

Estimated Value Range

$426,602 $937,684
Best Estimate
$523,465
WCAD Value
$661,923
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R420606C - TERAVISTA R5. The estimated range of $426,602 and $937,684 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,754 sqft Built 2017
Raw Value $619,037
Adjusted Value $564,716

Adjusted +$9,259 for 32 sqft more living space and -$63,580 for being older. Net adjustment: -$54,321.

4 bed 3 bath 2,928 sqft Built 2016
Raw Value $553,112
Adjusted Value $454,803

Adjusted -$41,087 for 142 sqft less living space and -$57,222 for being older. Net adjustment: -$98,309.

4 bed 3 bath 2,805 sqft Built 2022
Raw Value $527,470
Adjusted Value $426,602

Adjusted -$5,498 for 19 sqft less living space and -$95,370 for being older. Net adjustment: -$100,868.

4 bed 3 bath 2,828 sqft Built 2022
Raw Value $630,988
Adjusted Value $523,465

Adjusted -$12,153 for 42 sqft less living space and -$95,370 for being older. Net adjustment: -$107,523.

4 bed 4 bath 3,213 sqft Built 2015
Raw Value $1,112,098
Adjusted Value $937,684

Adjusted -$123,550 for 427 sqft less living space and -$50,864 for being older. Net adjustment: -$174,414.

The Neighborhood

This home is valued 2.4% above the R420606C - TERAVISTA R5 median of $646,108. With 622 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 2.5% over the past year.

R420606C - TERAVISTA R5

typical
622 Properties
$646,108 Median Value
+2.5% YoY Change
1% Have Pool
99% Have Garage
This Home
$661,923
Median
$646,108

This home is +2.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,529 across all districts. With a homestead exemption claimed, that drops to $11,156 — saving $1,373 per year. That's $930 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,912
Williamson CountyCounty0.3694%$2,445
Williamson County MUD #11MUD0.3656%$2,420
Austin Community Collegespecial0.1034%$684
Williamson County ESD #9 - Round RockESD0.0999%$661
Williamson County FM/RdCounty0.0443%$293
Upper Brushy Creek WCIDWater0.0170%$113
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$12,529

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $523,465 would pay approximately $3,267 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 4/19/2026.

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