5813 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $311,776 and $365,251, with a best estimate of $339,583. 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
$339,583
$346,571
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 $311,776 and $365,251 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$35,840 for 171 sqft less living space and +$1,643 for being newer. Net adjustment: -$34,197.
Adjusted -$6,707 for 32 sqft less living space and -$1,643 for being older. Net adjustment: -$8,350.
Adjusted -$37,936 for 181 sqft less living space and +$1,643 for being newer. Net adjustment: -$36,293.
Adjusted -$21,169 for 101 sqft less living space and +$9,859 for being newer. Net adjustment: -$11,310.
Adjusted -$26,618 for 127 sqft less living space and +$1,643 for being newer. Net adjustment: -$24,975.
The Neighborhood
This home is valued 17.0% 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
below averageThis home is -17.0% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,244 across all districts. With a homestead exemption claimed, that drops to $6,493 — saving $1,751 per year. That's $541 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% | $4,177 |
| Siena MUD #2 | MUD | 0.6020% | $2,086 |
| Williamson County | County | 0.3694% | $1,280 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $347 |
| Williamson County FM/Rd | County | 0.0443% | $154 |
| EWC Higher Ed Center | special | 0.0409% | $142 |
| Upper Brushy Creek WCID | Water | 0.0170% | $59 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $8,244 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $339,583 would pay approximately $2,120 per month (principal and interest only, excluding taxes and insurance).