17921 NIAGARA FALLS TER, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $292,157 and $615,286, with a best estimate of $428,357. 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
$428,357
$431,253
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 $292,157 and $615,286. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$1,001 for 3 sqft more living space and +$1,095 for being newer. Net adjustment: +$2,096.
Adjusted -$21,020 for 63 sqft less living space and +$1,095 for being newer. Net adjustment: -$19,925.
Adjusted +$122,781 for 368 sqft more living space. Net adjustment: +$122,781.
Adjusted -$24,690 for 74 sqft less living space and +$1,095 for being newer. Net adjustment: -$23,595.
Adjusted -$117,109 for 351 sqft less living space and +$1,095 for being newer and -$86,708 for no pool. Net adjustment: -$202,722.
The Neighborhood
This home is valued 17.5% 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
below averageThis home is -17.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,363 across all districts. With a homestead exemption claimed, that drops to $6,033 — saving $1,330 per year. That's $503 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
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $3,852 |
| Williamson County | County | 0.3694% | $1,593 |
| Fern Bluff MUD | MUD | 0.1800% | $776 |
| Austin Community College | special | 0.1034% | $446 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $431 |
| Williamson County FM/Rd | County | 0.0443% | $191 |
| Upper Brushy Creek WCID | Water | 0.0170% | $73 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7073% | $7,363 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $428,357 would pay approximately $2,674 per month (principal and interest only, excluding taxes and insurance).