5637 SACCO ST, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $291,173 and $577,853, with a best estimate of $419,985. That places the property above the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.
Estimated Value Range
$419,985
$338,329
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 $291,173 and $577,853. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$43,128 for 204 sqft less living space and +$6,686 for being newer. Net adjustment: -$36,442.
Adjusted +$107,819 for 510 sqft more living space and +$4,457 for being newer. Net adjustment: +$112,276.
Adjusted +$41,648 for 197 sqft more living space and +$4,457 for being newer. Net adjustment: +$46,105.
Adjusted -$88,158 for 417 sqft less living space. Net adjustment: -$88,158.
Adjusted -$132,977 for 629 sqft less living space. Net adjustment: -$132,977.
The Neighborhood
This home is valued 16.7% 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
below averageThis home is -16.7% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,788 across all districts. With a homestead exemption claimed, that drops to $6,038 — saving $1,750 per year. That's $503 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% | $4,078 |
| Siena MUD #1 | MUD | 0.5250% | $1,776 |
| Williamson County | County | 0.3694% | $1,250 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $338 |
| Williamson County FM/Rd | County | 0.0443% | $150 |
| EWC Higher Ed Center | special | 0.0409% | $138 |
| Upper Brushy Creek WCID | Water | 0.0170% | $58 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $7,788 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $419,985 would pay approximately $2,622 per month (principal and interest only, excluding taxes and insurance).