5830 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $354,952 and $429,266, with a best estimate of $382,759. 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
$382,759
$391,229
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 $354,952 and $429,266 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$8,384 for 40 sqft more living space and +$14,789 for being newer. Net adjustment: +$23,173.
Adjusted +$7,336 for 35 sqft more living space and +$1,643 for being newer. Net adjustment: +$8,979.
Adjusted +$36,469 for 174 sqft more living space and -$1,643 for being older. Net adjustment: +$34,826.
Adjusted +$5,240 for 25 sqft more living space and +$1,643 for being newer. Net adjustment: +$6,883.
Adjusted +$22,007 for 105 sqft more living space and +$9,859 for being newer. Net adjustment: +$31,866.
The Neighborhood
This home is valued 6.3% 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 -6.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,307 across all districts. With a homestead exemption claimed, that drops to $7,547 — saving $1,760 per year. That's $629 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% | $4,715 |
| Siena MUD #2 | MUD | 0.6020% | $2,355 |
| Williamson County | County | 0.3694% | $1,445 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $391 |
| Williamson County FM/Rd | County | 0.0443% | $173 |
| EWC Higher Ed Center | special | 0.0409% | $160 |
| Upper Brushy Creek WCID | Water | 0.0170% | $67 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $9,307 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $382,759 would pay approximately $2,389 per month (principal and interest only, excluding taxes and insurance).