5645 SACCO ST, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $361,285 and $524,845, with a best estimate of $401,530. That places the property below the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.
Estimated Value Range
$401,530
$388,326
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in H121413C - SIENA, this home's estimated market value is between $361,285 and $524,845. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$61,732 for 292 sqft more living space and +$6,686 for being newer. Net adjustment: +$68,418.
Adjusted +$16,701 for 79 sqft more living space. Net adjustment: +$16,701.
Adjusted -$28,117 for 133 sqft less living space. Net adjustment: -$28,117.
Adjusted +$104,859 for 496 sqft more living space. Net adjustment: +$104,859.
Adjusted -$39,534 for 187 sqft less living space and +$4,457 for being newer. Net adjustment: -$35,077.
The Neighborhood
This home is valued 4.4% below the H121413C - SIENA median of $406,354. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.4% over the past year.
H121413C - SIENA
typicalThis home is -4.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,938 across all districts. With a homestead exemption claimed, that drops to $7,179 — saving $1,759 per year. That's $598 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% | $4,680 |
| Siena MUD #1 | MUD | 0.5250% | $2,039 |
| Williamson County | County | 0.3694% | $1,435 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $388 |
| Williamson County FM/Rd | County | 0.0443% | $172 |
| EWC Higher Ed Center | special | 0.0409% | $159 |
| Upper Brushy Creek WCID | Water | 0.0170% | $66 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $8,938 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $401,530 would pay approximately $2,506 per month (principal and interest only, excluding taxes and insurance).