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18220 WHITEWATER CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,158 sqftBuilt 1996

Property at a Glance

This home is estimated between $339,471 and $533,325, with a best estimate of $459,846. 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

$339,471 $533,325
Best Estimate
$459,846
WCAD Value
$474,006
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 $339,471 and $533,325. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

18221 WHITEWATER CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,284 sqft Built 1998
Raw Value $577,555
Adjusted Value $533,325

Adjusted -$42,039 for 126 sqft less living space and -$2,191 for being older. Net adjustment: -$44,230.

18208 WHITEWATER CV, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,562 sqft Built 1996
Raw Value $566,628
Adjusted Value $431,835

Adjusted -$134,793 for 404 sqft less living space. Net adjustment: -$134,793.

18217 WHITEWATER CV, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,593 sqft Built 1996
Raw Value $604,982
Adjusted Value $459,846

Adjusted -$145,136 for 435 sqft less living space. Net adjustment: -$145,136.

18204 WHITEWATER CV, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
4 bed 2 bath 1,351 sqft Built 1997
Raw Value $594,936
Adjusted Value $529,448

Adjusted -$64,393 for 193 sqft less living space and -$1,095 for being older. Net adjustment: -$65,488.

18213 WHITEWATER CV, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
4 bed 2 bath 1,840 sqft Built 1996
Raw Value $567,017
Adjusted Value $339,471

Adjusted -$227,546 for 682 sqft less living space. Net adjustment: -$227,546.

The Neighborhood

This home is valued 9.4% 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
$474,006
Median
$523,036

This home is -9.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,093 across all districts. With a homestead exemption claimed, that drops to $6,755 — saving $1,338 per year. That's $563 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%$4,233
Williamson CountyCounty0.3694%$1,751
Fern Bluff MUDMUD0.1800%$853
Austin Community Collegespecial0.1034%$490
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$474
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,093

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $459,846 would pay approximately $2,870 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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