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104 WATER OAK CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,785 sqftBuilt 2005

Property at a Glance

This home is estimated between $563,050 and $915,597, with a best estimate of $718,396. 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

$563,050 $915,597
Best Estimate
$718,396
WCAD Value
$738,284
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 $563,050 and $915,597 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 $718,396

Adjusted -$1,853 for 10 sqft less living space. Net adjustment: -$1,853.

109 WATER OAK CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,369 sqft Built 2004
Raw Value $666,634
Adjusted Value $750,601

Adjusted +$77,099 for 416 sqft more living space and +$6,868 for being newer. Net adjustment: +$83,967.

4 bed 3 bath 2,442 sqft Built 1984
Raw Value $707,791
Adjusted Value $915,597

Adjusted +$63,569 for 343 sqft more living space and +$144,237 for being newer. Net adjustment: +$207,806.

3 bed 2 bath 2,282 sqft Built 2000
Raw Value $492,687
Adjusted Value $620,251

Adjusted +$93,222 for 503 sqft more living space and +$34,342 for being newer. Net adjustment: +$127,564.

4 bed 2 bath 1,939 sqft Built 1997
Raw Value $351,311
Adjusted Value $563,050

Adjusted +$156,792 for 846 sqft more living space and +$54,947 for being newer. Net adjustment: +$211,739.

The Neighborhood

This home is valued 84.4% 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
$738,284
Median
$400,408

This home is +84.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,129 across all districts. With a homestead exemption claimed, that drops to $9,744 — saving $1,385 per year. That's $812 per month a buyer should budget. The assessed value increased +11.4% vs the subdivision average of -3.0%. This above-average increase gives a protest opportunity score of 80 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,508
Williamson CountyCounty0.3694%$2,692
Austin Community Collegespecial0.1034%$753
Williamson County ESD #9 - Round RockESD0.0999%$728
Williamson County FM/RdCounty0.0443%$323
Upper Brushy Creek WCIDWater0.0170%$124
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$11,129
80 / 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 $718,396 would pay approximately $4,484 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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