Beta Williamson County, TX only — data and coverage are limited during early access.

17912 BOX CANYON TER, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,192 sqftBuilt 1996

Property at a Glance

This home is estimated between $581,935 and $787,169, with a best estimate of $754,689. 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

$581,935 $787,169
Best Estimate
$754,689
WCAD Value
$455,351
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 $581,935 and $787,169. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

17916 BOX CANYON TER, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,898 sqft Built 1997
Raw Value $565,908
Adjusted Value $662,905

Adjusted +$98,092 for 294 sqft more living space and -$1,095 for being older. Net adjustment: +$96,997.

17908 BOX CANYON TER, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,515 sqft Built 1996
Raw Value $528,811
Adjusted Value $754,689

Adjusted +$225,878 for 677 sqft more living space. Net adjustment: +$225,878.

17904 BOX CANYON TER, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,628 sqft Built 1996
Raw Value $598,993
Adjusted Value $787,169

Adjusted +$188,176 for 564 sqft more living space. Net adjustment: +$188,176.

17917 BOX CANYON TER, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,906 sqft Built 1996
Raw Value $486,513
Adjusted Value $581,935

Adjusted +$95,422 for 286 sqft more living space. Net adjustment: +$95,422.

17900 BOX CANYON TER, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,356 sqft Built 1997
Raw Value $485,642
Adjusted Value $763,474

Adjusted +$278,927 for 836 sqft more living space and -$1,095 for being older. Net adjustment: +$277,832.

The Neighborhood

This home is valued 12.9% 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
$455,351
Median
$523,036

This home is -12.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,774 across all districts. With a homestead exemption claimed, that drops to $6,440 — saving $1,334 per year. That's $537 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%$4,067
Williamson CountyCounty0.3694%$1,682
Fern Bluff MUDMUD0.1800%$820
Austin Community Collegespecial0.1034%$471
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$455
Williamson County FM/RdCounty0.0443%$202
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$7,774

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $754,689 would pay approximately $4,711 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.

View full property details