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

17809 BOX CANYON TER, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,740 sqftBuilt 1996

Property at a Glance

This home is estimated between $315,862 and $786,989, with a best estimate of $581,643. 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

$315,862 $786,989
Best Estimate
$581,643
WCAD Value
$445,525
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 $315,862 and $786,989. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

17813 BOX CANYON TER, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,356 sqft Built 1996
Raw Value $453,523
Adjusted Value $581,643

Adjusted +$128,120 for 384 sqft more living space. Net adjustment: +$128,120.

17805 BOX CANYON TER, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,906 sqft Built 1996
Raw Value $427,294
Adjusted Value $371,909

Adjusted -$55,385 for 166 sqft less living space. Net adjustment: -$55,385.

17801 BOX CANYON TER, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,305 sqft Built 1996
Raw Value $641,853
Adjusted Value $786,989

Adjusted +$145,136 for 435 sqft more living space. Net adjustment: +$145,136.

17817 BOX CANYON TER, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,146 sqft Built 1996
Raw Value $456,238
Adjusted Value $654,423

Adjusted +$198,185 for 594 sqft more living space. Net adjustment: +$198,185.

17901 BOX CANYON TER, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,210 sqft Built 1996
Raw Value $472,675
Adjusted Value $315,862

Adjusted -$156,813 for 470 sqft less living space. Net adjustment: -$156,813.

The Neighborhood

This home is valued 14.8% 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
$445,525
Median
$523,036

This home is -14.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,606 across all districts. With a homestead exemption claimed, that drops to $6,274 — saving $1,332 per year. That's $523 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%$3,979
Williamson CountyCounty0.3694%$1,646
Fern Bluff MUDMUD0.1800%$802
Austin Community Collegespecial0.1034%$461
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$446
Williamson County FM/RdCounty0.0443%$197
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$7,606

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $581,643 would pay approximately $3,631 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