5865 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $356,808 and $574,529, with a best estimate of $402,857. That places the property below the H123414C - SIENA LIMMER LOOP median of $417,399, in a neighborhood that declined 2.7% over the past year.
Estimated Value Range
$402,857
$478,546
Based on 5 comparable properties(2 in the same subdivision)
There are 5 comparable properties within range, but few are in H123414C - SIENA LIMMER LOOP. The estimated range of $356,808 and $574,529 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$17,606 for 84 sqft less living space and -$3,286 for being older. Net adjustment: -$20,892.
Adjusted +$2,515 for 12 sqft more living space and -$1,643 for being older. Net adjustment: +$872.
Adjusted +$30,391 for 145 sqft more living space and +$4,930 for being newer. Net adjustment: +$35,321.
Adjusted -$24,522 for 117 sqft less living space and -$3,286 for being older. Net adjustment: -$27,808.
Adjusted +$47,787 for 228 sqft more living space and -$4,930 for being older. Net adjustment: +$42,857.
The Neighborhood
This home is valued 14.6% above the H123414C - SIENA LIMMER LOOP median of $417,399. With 1,146 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.7% over the past year.
H123414C - SIENA LIMMER LOOP
typicalThis home is +14.6% above the subdivision median.
Tax Analysis
The estimated annual property tax is $11,384 across all districts. With a homestead exemption claimed, that drops to $9,608 — saving $1,776 per year. That's $801 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 |
|---|---|---|---|
| Hutto ISD | School | 1.2052% | $5,767 |
| Siena MUD #2 | MUD | 0.6020% | $2,881 |
| Williamson County | County | 0.3694% | $1,768 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $479 |
| Williamson County FM/Rd | County | 0.0443% | $212 |
| EWC Higher Ed Center | special | 0.0409% | $196 |
| Upper Brushy Creek WCID | Water | 0.0170% | $81 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $11,384 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $402,857 would pay approximately $2,515 per month (principal and interest only, excluding taxes and insurance).