1821 WHIRLWIND TRL, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $255,009 and $387,931, with a best estimate of $288,816. That places the property below the R602494H - Greenlawn Place median of $314,129, in a neighborhood that declined 4.3% over the past year.
Estimated Value Range
$288,816
$305,163
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R602494H - Greenlawn Place, this home's estimated market value is between $255,009 and $387,931. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$31,543 for 126 sqft less living space and -$3,304 for being older. Net adjustment: -$34,847.
Adjusted -$28,039 for 112 sqft less living space. Net adjustment: -$28,039.
Adjusted +$79,359 for 317 sqft more living space and -$3,304 for being older. Net adjustment: +$76,055.
Adjusted +$69,095 for 276 sqft more living space and -$9,912 for being older. Net adjustment: +$59,183.
Adjusted -$17,774 for 71 sqft less living space. Net adjustment: -$17,774.
The Neighborhood
This home is valued 2.9% below the R602494H - Greenlawn Place median of $314,129. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.3% over the past year.
R602494H - Greenlawn Place
typicalThis home is -2.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,491 across all districts. With a homestead exemption claimed, that drops to $4,184 — saving $1,307 per year. That's $349 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% | $2,725 |
| Round Rock | City | 0.3720% | $1,135 |
| Williamson County | County | 0.3694% | $1,127 |
| Austin Community College | special | 0.1034% | $316 |
| Williamson County FM/Rd | County | 0.0443% | $135 |
| Upper Brushy Creek WCID | Water | 0.0170% | $52 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,491 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $288,816 would pay approximately $1,803 per month (principal and interest only, excluding taxes and insurance).