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17925 NIAGARA FALLS TER, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath912 sqftBuilt 1997

Property at a Glance

This home is estimated between $303,328 and $431,176, with a best estimate of $340,672. 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

$303,328 $431,176
Best Estimate
$340,672
WCAD Value
$483,305
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 $303,328 and $431,176. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

17929 NIAGARA FALLS TER, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,479 sqft Built 1997
Raw Value $492,505
Adjusted Value $303,328

Adjusted -$189,177 for 567 sqft less living space. Net adjustment: -$189,177.

17924 NIAGARA FALLS TER, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,386 sqft Built 1996
Raw Value $472,974
Adjusted Value $315,921

Adjusted -$158,148 for 474 sqft less living space and +$1,095 for being newer. Net adjustment: -$157,053.

17905 NIAGARA FALLS TER, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
4 bed 2 bath 1,133 sqft Built 1996
Raw Value $503,817
Adjusted Value $431,176

Adjusted -$73,736 for 221 sqft less living space and +$1,095 for being newer. Net adjustment: -$72,641.

17909 BOX CANYON TER, ROUND ROCK, TX 78681
0.13 mi 100% similar Same subdivision
4 bed 2 bath 1,204 sqft Built 1997
Raw Value $470,297
Adjusted Value $372,873

Adjusted -$97,424 for 292 sqft less living space. Net adjustment: -$97,424.

17905 BOX CANYON TER, ROUND ROCK, TX 78681
0.14 mi 100% similar Same subdivision
4 bed 2 bath 1,507 sqft Built 1996
Raw Value $538,096
Adjusted Value $340,672

Adjusted -$198,519 for 595 sqft less living space and +$1,095 for being newer. Net adjustment: -$197,424.

The Neighborhood

This home is valued 7.6% 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
$483,305
Median
$523,036

This home is -7.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,251 across all districts. With a homestead exemption claimed, that drops to $6,912 — saving $1,339 per year. That's $576 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%$4,316
Williamson CountyCounty0.3694%$1,786
Fern Bluff MUDMUD0.1800%$870
Austin Community Collegespecial0.1034%$500
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$483
Williamson County FM/RdCounty0.0443%$214
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,251

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $340,672 would pay approximately $2,126 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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