1100 MASTIFF CV, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $349,865 and $415,195, with a best estimate of $391,775. That places the property above the R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B median of $314,414, in a neighborhood that declined 8.1% over the past year.
Estimated Value Range
$391,775
$369,252
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B, this home's estimated market value is between $349,865 and $415,195. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$42,775 for 145 sqft more living space. Net adjustment: +$42,775.
Adjusted -$5,605 for 19 sqft less living space. Net adjustment: -$5,605.
Adjusted -$10,325 for 35 sqft less living space. Net adjustment: -$10,325.
Adjusted +$40,415 for 137 sqft more living space. Net adjustment: +$40,415.
Adjusted +$101,186 for 343 sqft more living space. Net adjustment: +$101,186.
The Neighborhood
This home is valued 17.4% above the R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B median of $314,414. With 370 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.1% over the past year.
R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B
above averageThis home is +17.4% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,691 across all districts. With a homestead exemption claimed, that drops to $5,373 — saving $1,318 per year. That's $448 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% | $3,298 |
| Williamson County | County | 0.3694% | $1,364 |
| Meadows of Chandler Creek MUD | MUD | 0.2849% | $1,052 |
| Austin Community College | special | 0.1034% | $382 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $369 |
| Williamson County FM/Rd | County | 0.0443% | $164 |
| Upper Brushy Creek WCID | Water | 0.0170% | $63 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8121% | $6,691 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $391,775 would pay approximately $2,445 per month (principal and interest only, excluding taxes and insurance).