5845 CASSTELLO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $315,208 and $357,442, with a best estimate of $324,354. 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
$324,354
$337,037
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 $315,208 and $357,442 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$26,199 for 125 sqft less living space. Net adjustment: -$26,199.
Adjusted -$44,014 for 210 sqft less living space and +$3,286 for being newer. Net adjustment: -$40,728.
Adjusted -$55,751 for 266 sqft less living space. Net adjustment: -$55,751.
Adjusted -$46,110 for 220 sqft less living space and +$3,286 for being newer. Net adjustment: -$42,824.
Adjusted -$71,051 for 339 sqft less living space and +$1,643 for being newer. Net adjustment: -$69,408.
The Neighborhood
This home is valued 19.3% 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
below averageThis home is -19.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,018 across all districts. With a homestead exemption claimed, that drops to $6,268 — saving $1,750 per year. That's $522 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% | $4,062 |
| Siena MUD #2 | MUD | 0.6020% | $2,029 |
| Williamson County | County | 0.3694% | $1,245 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $337 |
| Williamson County FM/Rd | County | 0.0443% | $149 |
| EWC Higher Ed Center | special | 0.0409% | $138 |
| Upper Brushy Creek WCID | Water | 0.0170% | $57 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3788% | $8,018 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $324,354 would pay approximately $2,025 per month (principal and interest only, excluding taxes and insurance).