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18112 WHITEWATER CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,926 sqftBuilt 1996

Property at a Glance

This home is estimated between $267,222 and $766,645, with a best estimate of $662,202. 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

$267,222 $766,645
Best Estimate
$662,202
WCAD Value
$429,073
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 $267,222 and $766,645. 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 $662,202

Adjusted +$34,365 for 103 sqft more living space and +$1,095 for being newer. Net adjustment: +$35,460.

18104 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,204 sqft Built 1995
Raw Value $474,829
Adjusted Value $383,171

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

18120 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,346 sqft Built 1998
Raw Value $575,322
Adjusted Value $766,645

Adjusted +$193,514 for 580 sqft more living space and -$2,191 for being older. Net adjustment: +$191,323.

18109 WHITEWATER CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,898 sqft Built 1997
Raw Value $592,620
Adjusted Value $267,222

Adjusted -$324,303 for 972 sqft less living space and -$1,095 for being older. Net adjustment: -$325,398.

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 $666,866

Adjusted +$25,357 for 76 sqft more living space and -$3,286 for being older. Net adjustment: +$22,071.

The Neighborhood

This home is valued 18.0% 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

below average
952 Properties
$523,036 Median Value
-5.2% YoY Change
1% Have Pool
99% Have Garage
This Home
$429,073
Median
$523,036

This home is -18.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,325 across all districts. With a homestead exemption claimed, that drops to $5,996 — saving $1,329 per year. That's $500 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%$3,832
Williamson CountyCounty0.3694%$1,585
Fern Bluff MUDMUD0.1800%$772
Austin Community Collegespecial0.1034%$444
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$429
Williamson County FM/RdCounty0.0443%$190
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$7,325

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $662,202 would pay approximately $4,133 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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