5866 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $334,655 and $408,968, with a best estimate of $362,462. 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
$362,462
$368,099
Based on 5 comparable properties(0 in the same subdivision)
There are 5 comparable properties within range, but none are in H123414C - SIENA LIMMER LOOP. The estimated range of $334,655 and $408,968 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$10,270 for 49 sqft less living space and +$13,145 for being newer. Net adjustment: +$2,875.
Adjusted -$11,318 for 54 sqft less living space. Net adjustment: -$11,318.
Adjusted +$17,815 for 85 sqft more living space and -$3,286 for being older. Net adjustment: +$14,529.
Adjusted -$13,414 for 64 sqft less living space. Net adjustment: -$13,414.
Adjusted +$3,353 for 16 sqft more living space and +$8,216 for being newer. Net adjustment: +$11,569.
The Neighborhood
This home is valued 11.8% below the H123414C - SIENA LIMMER LOOP median of $417,399. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.7% over the past year.
H123414C - SIENA LIMMER LOOP
typicalThis home is -11.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,757 across all districts. With a homestead exemption claimed, that drops to $7,001 — saving $1,756 per year. That's $583 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% | $4,436 |
| Siena MUD #2 | MUD | 0.6020% | $2,216 |
| Williamson County | County | 0.3694% | $1,360 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $368 |
| Williamson County FM/Rd | County | 0.0443% | $163 |
| EWC Higher Ed Center | special | 0.0409% | $150 |
| Upper Brushy Creek WCID | Water | 0.0170% | $63 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $8,757 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $362,462 would pay approximately $2,262 per month (principal and interest only, excluding taxes and insurance).