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18217 WHITEWATER CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,593 sqftBuilt 1996

Property at a Glance

This home is estimated between $174,216 and $678,460, with a best estimate of $484,607. 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

$174,216 $678,460
Best Estimate
$484,607
WCAD Value
$604,982
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 $174,216 and $678,460. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

18213 WHITEWATER CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,840 sqft Built 1996
Raw Value $567,017
Adjusted Value $484,607

Adjusted -$82,410 for 247 sqft less living space. Net adjustment: -$82,410.

18221 WHITEWATER CV, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,284 sqft Built 1998
Raw Value $577,555
Adjusted Value $678,460

Adjusted +$103,096 for 309 sqft more living space and -$2,191 for being older. Net adjustment: +$100,905.

18209 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,521 sqft Built 1996
Raw Value $483,839
Adjusted Value $174,216

Adjusted -$309,623 for 928 sqft less living space. Net adjustment: -$309,623.

18212 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,206 sqft Built 1996
Raw Value $686,856
Adjusted Value $482,332

Adjusted -$204,524 for 613 sqft less living space. Net adjustment: -$204,524.

18208 WHITEWATER CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,562 sqft Built 1996
Raw Value $566,628
Adjusted Value $576,971

Adjusted +$10,343 for 31 sqft more living space. Net adjustment: +$10,343.

The Neighborhood

This home is valued 15.7% 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
$604,982
Median
$523,036

This home is +15.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,329 across all districts. With a homestead exemption claimed, that drops to $8,967 — saving $1,362 per year. That's $747 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%$5,403
Williamson CountyCounty0.3694%$2,235
Fern Bluff MUDMUD0.1800%$1,089
Austin Community Collegespecial0.1034%$626
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$605
Williamson County FM/RdCounty0.0443%$268
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$10,329

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $484,607 would pay approximately $3,025 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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