8100 ROSANO ST, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $312,931 and $599,611, with a best estimate of $441,743. 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
$441,743
$349,872
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 $312,931 and $599,611. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$16,913 for 80 sqft less living space and +$2,229 for being newer. Net adjustment: -$14,684.
Adjusted +$134,034 for 634 sqft more living space. Net adjustment: +$134,034.
Adjusted +$67,862 for 321 sqft more living space. Net adjustment: +$67,862.
Adjusted -$61,943 for 293 sqft less living space and -$4,457 for being older. Net adjustment: -$66,400.
Adjusted -$106,762 for 505 sqft less living space and -$4,457 for being older. Net adjustment: -$111,219.
The Neighborhood
This home is valued 13.9% 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 -13.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,053 across all districts. With a homestead exemption claimed, that drops to $6,301 — saving $1,752 per year. That's $525 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% | $4,217 |
| Siena MUD #1 | MUD | 0.5250% | $1,837 |
| Williamson County | County | 0.3694% | $1,293 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $350 |
| Williamson County FM/Rd | County | 0.0443% | $155 |
| EWC Higher Ed Center | special | 0.0409% | $143 |
| Upper Brushy Creek WCID | Water | 0.0170% | $59 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $8,053 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $441,743 would pay approximately $2,757 per month (principal and interest only, excluding taxes and insurance).