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17909 NIAGARA FALLS TER, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,921 sqftBuilt 1996

Property at a Glance

This home is estimated between $315,751 and $766,729, with a best estimate of $451,952. 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

$315,751 $766,729
Best Estimate
$451,952
WCAD Value
$468,113
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 $315,751 and $766,729. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

17913 NIAGARA FALLS TER, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,910 sqft Built 1996
Raw Value $428,336
Adjusted Value $432,006

Adjusted +$3,670 for 11 sqft more living space. Net adjustment: +$3,670.

17905 NIAGARA FALLS TER, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,133 sqft Built 1996
Raw Value $503,817
Adjusted Value $766,729

Adjusted +$262,912 for 788 sqft more living space. Net adjustment: +$262,912.

17917 NIAGARA FALLS TER, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,844 sqft Built 1996
Raw Value $426,261
Adjusted Value $451,952

Adjusted +$25,691 for 77 sqft more living space. Net adjustment: +$25,691.

17921 NIAGARA FALLS TER, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,847 sqft Built 1997
Raw Value $431,253
Adjusted Value $454,848

Adjusted +$24,690 for 74 sqft more living space and -$1,095 for being older. Net adjustment: +$23,595.

8400 LAUGHING WATER LN, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,198 sqft Built 1996
Raw Value $494,879
Adjusted Value $315,751

Adjusted -$92,420 for 277 sqft less living space and -$86,708 for no pool. Net adjustment: -$179,128.

The Neighborhood

This home is valued 10.5% 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
$468,113
Median
$523,036

This home is -10.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,992 across all districts. With a homestead exemption claimed, that drops to $6,655 — saving $1,337 per year. That's $555 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%$4,181
Williamson CountyCounty0.3694%$1,729
Fern Bluff MUDMUD0.1800%$843
Austin Community Collegespecial0.1034%$484
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$468
Williamson County FM/RdCounty0.0443%$208
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$7,992

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $451,952 would pay approximately $2,821 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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