1605/1607 WHIRLWIND TRL, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $370,703 and $659,867, with a best estimate of $404,174. That places the property above the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.
Estimated Value Range
$404,174
$437,313
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R450X - Round Rock East - Duplex. The estimated range of $370,703 and $659,867 should be treated as a rough guide.
Comparable Properties (5)
This comparable closely matches the subject property's features.
Adjusted -$4,275 for 22 sqft less living space and -$24,004 for being older. Net adjustment: -$28,279.
Adjusted +$33,227 for 171 sqft more living space and +$11,002 for being newer and +$41,787 for having a garage. Net adjustment: +$86,016.
Adjusted +$112,507 for 579 sqft more living space and +$2,000 for being newer. Net adjustment: +$114,507.
Adjusted +$132,715 for 683 sqft more living space. Net adjustment: +$132,715.
The Neighborhood
This home is valued 23.0% above the R450X - Round Rock East - Duplex median of $355,449. With 836 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.7% over the past year.
R450X - Round Rock East - Duplex
above averageThis home is +23.0% above the subdivision median.
Tax Analysis
The estimated annual property tax is $7,868 across all districts. With a homestead exemption claimed, that drops to $6,537 — saving $1,331 per year. That's $545 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% | $3,906 |
| Round Rock | City | 0.3720% | $1,627 |
| Williamson County | County | 0.3694% | $1,616 |
| Austin Community College | special | 0.1034% | $452 |
| Williamson County FM/Rd | County | 0.0443% | $194 |
| Upper Brushy Creek WCID | Water | 0.0170% | $74 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $7,868 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $404,174 would pay approximately $2,523 per month (principal and interest only, excluding taxes and insurance).