5870 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $403,367 and $466,882, with a best estimate of $414,135. 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
$414,135
$407,683
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 $403,367 and $466,882 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$55,751 for 266 sqft more living space and +$1,643 for being newer. Net adjustment: +$57,394.
Adjusted -$20,330 for 97 sqft less living space and +$3,286 for being newer. Net adjustment: -$17,044.
Adjusted +$53,655 for 256 sqft more living space and +$1,643 for being newer. Net adjustment: +$55,298.
Adjusted +$67,069 for 320 sqft more living space and +$1,643 for being newer. Net adjustment: +$68,712.
Adjusted +$55,332 for 264 sqft more living space and -$1,643 for being older. Net adjustment: +$53,689.
The Neighborhood
This home is valued 2.3% 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 -2.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,698 across all districts. With a homestead exemption claimed, that drops to $7,936 — saving $1,762 per year. That's $661 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% | $4,913 |
| Siena MUD #2 | MUD | 0.6020% | $2,454 |
| Williamson County | County | 0.3694% | $1,506 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $408 |
| Williamson County FM/Rd | County | 0.0443% | $181 |
| EWC Higher Ed Center | special | 0.0409% | $167 |
| Upper Brushy Creek WCID | Water | 0.0170% | $69 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $9,698 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $414,135 would pay approximately $2,585 per month (principal and interest only, excluding taxes and insurance).