5850 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $373,037 and $479,987, with a best estimate of $457,310. That places the property above the H123414C - SIENA LIMMER LOOP median of $417,399, in a neighborhood that declined 2.7% over the past year.
Estimated Value Range
$457,310
$431,078
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 $373,037 and $479,987 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$22,845 for 109 sqft more living space and +$3,286 for being newer. Net adjustment: +$26,131.
Adjusted -$27,456 for 131 sqft less living space and -$1,643 for being older. Net adjustment: -$29,099.
Adjusted +$110,245 for 526 sqft more living space and +$1,643 for being newer. Net adjustment: +$111,888.
Adjusted -$88,657 for 423 sqft less living space and -$3,286 for being older. Net adjustment: -$91,943.
Adjusted +$2,515 for 12 sqft more living space and +$14,789 for being newer. Net adjustment: +$17,304.
The Neighborhood
This home is valued 3.3% 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 +3.3% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,255 across all districts. With a homestead exemption claimed, that drops to $8,488 — saving $1,767 per year. That's $707 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% | $5,195 |
| Siena MUD #2 | MUD | 0.6020% | $2,595 |
| Williamson County | County | 0.3694% | $1,593 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $431 |
| Williamson County FM/Rd | County | 0.0443% | $191 |
| EWC Higher Ed Center | special | 0.0409% | $176 |
| Upper Brushy Creek WCID | Water | 0.0170% | $73 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $10,255 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $457,310 would pay approximately $2,855 per month (principal and interest only, excluding taxes and insurance).