5849 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $388,033 and $421,477, with a best estimate of $398,802. 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
$398,802
$394,949
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in H123414C - SIENA LIMMER LOOP. The estimated range of $388,033 and $421,477 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$38,774 for 185 sqft more living space and +$3,286 for being newer. Net adjustment: +$42,060.
Adjusted -$37,307 for 178 sqft less living space and +$4,930 for being newer. Net adjustment: -$32,377.
Adjusted +$36,678 for 175 sqft more living space and +$3,286 for being newer. Net adjustment: +$39,964.
Adjusted +$47,996 for 229 sqft more living space and +$3,286 for being newer. Net adjustment: +$51,282.
Adjusted +$50,092 for 239 sqft more living space and +$3,286 for being newer. Net adjustment: +$53,378.
The Neighborhood
This home is valued 5.4% 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 -5.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,395 across all districts. With a homestead exemption claimed, that drops to $7,635 — saving $1,760 per year. That's $636 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% | $4,760 |
| Siena MUD #2 | MUD | 0.6020% | $2,378 |
| Williamson County | County | 0.3694% | $1,459 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $395 |
| Williamson County FM/Rd | County | 0.0443% | $175 |
| EWC Higher Ed Center | special | 0.0409% | $161 |
| Upper Brushy Creek WCID | Water | 0.0170% | $67 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $9,395 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $398,802 would pay approximately $2,489 per month (principal and interest only, excluding taxes and insurance).