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

17720 BOX CANYON TER, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,340 sqftBuilt 1998

Property at a Glance

This home is estimated between $255,063 and $649,095, with a best estimate of $483,133. 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

$255,063 $649,095
Best Estimate
$483,133
WCAD Value
$489,824
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 $255,063 and $649,095. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

17716 BOX CANYON TER, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,039 sqft Built 1998
Raw Value $548,668
Adjusted Value $649,095

Adjusted +$100,427 for 301 sqft more living space. Net adjustment: +$100,427.

17724 BOX CANYON TER, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,551 sqft Built 1998
Raw Value $627,814
Adjusted Value $557,415

Adjusted -$70,399 for 211 sqft less living space. Net adjustment: -$70,399.

17728 BOX CANYON TER, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,664 sqft Built 1996
Raw Value $589,043
Adjusted Value $483,133

Adjusted -$108,101 for 324 sqft less living space and +$2,191 for being newer. Net adjustment: -$105,910.

17717 BOX CANYON TER, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,700 sqft Built 1998
Raw Value $407,859
Adjusted Value $287,747

Adjusted -$120,112 for 360 sqft less living space. Net adjustment: -$120,112.

17713 BOX CANYON TER, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,897 sqft Built 1998
Raw Value $440,903
Adjusted Value $255,063

Adjusted -$185,840 for 557 sqft less living space. Net adjustment: -$185,840.

The Neighborhood

This home is valued 6.3% 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
$489,824
Median
$523,036

This home is -6.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,363 across all districts. With a homestead exemption claimed, that drops to $7,022 — saving $1,341 per year. That's $585 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%$4,375
Williamson CountyCounty0.3694%$1,810
Fern Bluff MUDMUD0.1800%$882
Austin Community Collegespecial0.1034%$506
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$490
Williamson County FM/RdCounty0.0443%$217
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,363

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $483,133 would pay approximately $3,016 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