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18104 WHITEWATER CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,204 sqftBuilt 1995

Property at a Glance

This home is estimated between $358,879 and $760,899, with a best estimate of $520,731. That places the property below the R292598D - Stone Canyon - Weekley & Newmark median of $523,036, in a neighborhood that declined 5.2% over the past year.

Estimated Value Range

$358,879 $760,899
Best Estimate
$520,731
WCAD Value
$474,829
High Confidence

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

Based on 5 comparable properties in R292598D - Stone Canyon - Weekley & Newmark, this home's estimated market value is between $358,879 and $760,899. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

18108 WHITEWATER CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,823 sqft Built 1995
Raw Value $626,742
Adjusted Value $753,861

Adjusted +$127,119 for 381 sqft more living space. Net adjustment: +$127,119.

18112 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,926 sqft Built 1996
Raw Value $429,073
Adjusted Value $520,731

Adjusted +$92,753 for 278 sqft more living space and -$1,095 for being older. Net adjustment: +$91,658.

18101 WHITEWATER CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,453 sqft Built 1999
Raw Value $515,385
Adjusted Value $427,926

Adjusted -$83,078 for 249 sqft less living space and -$4,381 for being older. Net adjustment: -$87,459.

18105 WHITEWATER CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,973 sqft Built 1997
Raw Value $686,018
Adjusted Value $760,899

Adjusted +$77,072 for 231 sqft more living space and -$2,191 for being older. Net adjustment: +$74,881.

18109 WHITEWATER CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,898 sqft Built 1997
Raw Value $592,620
Adjusted Value $358,879

Adjusted -$231,550 for 694 sqft less living space and -$2,191 for being older. Net adjustment: -$233,741.

The Neighborhood

This home is valued 9.2% below the R292598D - Stone Canyon - Weekley & Newmark median of $523,036. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.2% over the past year.

R292598D - Stone Canyon - Weekley & Newmark

typical
952 Properties
$523,036 Median Value
-5.2% YoY Change
1% Have Pool
99% Have Garage
This Home
$474,829
Median
$523,036

This home is -9.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,107 across all districts. With a homestead exemption claimed, that drops to $6,769 — saving $1,338 per year. That's $564 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%$4,241
Williamson CountyCounty0.3694%$1,754
Fern Bluff MUDMUD0.1800%$855
Austin Community Collegespecial0.1034%$491
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$475
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,107

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $520,731 would pay approximately $3,250 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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