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18105 WHITEWATER CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,973 sqftBuilt 1997

Property at a Glance

This home is estimated between $283,998 and $683,642, with a best estimate of $445,849. 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

$283,998 $683,642
Best Estimate
$445,849
WCAD Value
$686,018
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 $283,998 and $683,642. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

18109 WHITEWATER CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,898 sqft Built 1997
Raw Value $592,620
Adjusted Value $283,998

Adjusted -$308,622 for 925 sqft less living space. Net adjustment: -$308,622.

18101 WHITEWATER CV, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,453 sqft Built 1999
Raw Value $515,385
Adjusted Value $353,044

Adjusted -$160,150 for 480 sqft less living space and -$2,191 for being older. Net adjustment: -$162,341.

18113 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,850 sqft Built 1999
Raw Value $644,795
Adjusted Value $683,642

Adjusted +$41,038 for 123 sqft more living space and -$2,191 for being older. Net adjustment: +$38,847.

18108 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,823 sqft Built 1995
Raw Value $626,742
Adjusted Value $678,980

Adjusted +$50,047 for 150 sqft more living space and +$2,191 for being newer. Net adjustment: +$52,238.

18112 WHITEWATER CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,926 sqft Built 1996
Raw Value $429,073
Adjusted Value $445,849

Adjusted +$15,681 for 47 sqft more living space and +$1,095 for being newer. Net adjustment: +$16,776.

The Neighborhood

This home is valued 31.2% above the R292598D - Stone Canyon - Weekley & Newmark median of $523,036. With 952 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.2% over the past year.

R292598D - Stone Canyon - Weekley & Newmark

above average
952 Properties
$523,036 Median Value
-5.2% YoY Change
1% Have Pool
99% Have Garage
This Home
$686,018
Median
$523,036

This home is +31.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,712 across all districts. With a homestead exemption claimed, that drops to $10,335 — saving $1,377 per year. That's $861 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%$6,127
Williamson CountyCounty0.3694%$2,534
Fern Bluff MUDMUD0.1800%$1,235
Austin Community Collegespecial0.1034%$709
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$686
Williamson County FM/RdCounty0.0443%$304
Upper Brushy Creek WCIDWater0.0170%$117
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$11,712

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $445,849 would pay approximately $2,783 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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