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18209 WHITEWATER CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,521 sqftBuilt 1996

Property at a Glance

This home is estimated between $794,229 and $945,988, with a best estimate of $886,594. That places the property above the R292598D - Stone Canyon - Weekley & Newmark median of $523,036, in a neighborhood that declined 5.2% over the past year.

Estimated Value Range

$794,229 $945,988
Best Estimate
$886,594
WCAD Value
$483,839
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 $794,229 and $945,988. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

18205 WHITEWATER CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,720 sqft Built 1997
Raw Value $679,833
Adjusted Value $945,988

Adjusted +$267,250 for 801 sqft more living space and -$1,095 for being older. Net adjustment: +$266,155.

18213 WHITEWATER CV, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,840 sqft Built 1996
Raw Value $567,017
Adjusted Value $794,229

Adjusted +$227,212 for 681 sqft more living space. Net adjustment: +$227,212.

18217 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,593 sqft Built 1996
Raw Value $604,982
Adjusted Value $914,605

Adjusted +$309,623 for 928 sqft more living space. Net adjustment: +$309,623.

18208 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,562 sqft Built 1996
Raw Value $566,628
Adjusted Value $886,594

Adjusted +$319,966 for 959 sqft more living space. Net adjustment: +$319,966.

18121 WHITEWATER CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,891 sqft Built 1997
Raw Value $618,565
Adjusted Value $827,666

Adjusted +$210,196 for 630 sqft more living space and -$1,095 for being older. Net adjustment: +$209,101.

The Neighborhood

This home is valued 7.5% 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
$483,839
Median
$523,036

This home is -7.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,260 across all districts. With a homestead exemption claimed, that drops to $6,921 — saving $1,339 per year. That's $577 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%$4,321
Williamson CountyCounty0.3694%$1,788
Fern Bluff MUDMUD0.1800%$871
Austin Community Collegespecial0.1034%$500
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$484
Williamson County FM/RdCounty0.0443%$214
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,260

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $886,594 would pay approximately $5,534 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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