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109 WATER OAK CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,369 sqftBuilt 2004

Property at a Glance

This home is estimated between $536,285 and $654,317, with a best estimate of $595,661. That places the property above the R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B median of $400,408, in a neighborhood that declined 3.0% over the past year.

Estimated Value Range

$536,285 $654,317
Best Estimate
$595,661
WCAD Value
$666,634
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B. The estimated range of $536,285 and $654,317 should be treated as a rough guide.

Comparable Properties (5)

100 WATER OAK CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,795 sqft Built 2005
Raw Value $720,249
Adjusted Value $634,429

Adjusted -$78,952 for 426 sqft less living space and -$6,868 for being older. Net adjustment: -$85,820.

104 WATER OAK CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,785 sqft Built 2005
Raw Value $738,284
Adjusted Value $654,317

Adjusted -$77,099 for 416 sqft less living space and -$6,868 for being older. Net adjustment: -$83,967.

3 bed 2 bath 2,282 sqft Built 2000
Raw Value $492,687
Adjusted Value $536,285

Adjusted +$16,124 for 87 sqft more living space and +$27,474 for being newer. Net adjustment: +$43,598.

3 bed 2 bath 1,865 sqft Built 1998
Raw Value $461,043
Adjusted Value $595,661

Adjusted +$93,408 for 504 sqft more living space and +$41,210 for being newer. Net adjustment: +$134,618.

3 bed 2 bath 1,796 sqft Built 1999
Raw Value $451,096
Adjusted Value $591,634

Adjusted +$106,196 for 573 sqft more living space and +$34,342 for being newer. Net adjustment: +$140,538.

The Neighborhood

This home is valued 66.5% above the R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B median of $400,408. With 270 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.0% over the past year.

R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B

outlier high
270 Properties
$400,408 Median Value
-3.0% YoY Change
3% Have Pool
99% Have Garage
This Home
$666,634
Median
$400,408

This home is +66.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,181 across all districts. With a homestead exemption claimed, that drops to $8,807 — saving $1,374 per year. That's $734 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%$5,954
Williamson CountyCounty0.3694%$2,463
Austin Community Collegespecial0.1034%$689
Williamson County ESD #9 - Round RockESD0.0999%$666
Williamson County FM/RdCounty0.0443%$296
Upper Brushy Creek WCIDWater0.0170%$113
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$10,181

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $595,661 would pay approximately $3,718 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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