8121 ROSANO ST, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $323,615 and $502,128, with a best estimate of $370,771. 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
$370,771
$355,540
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 $323,615 and $502,128. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$8,456 for 40 sqft less living space and +$4,457 for being newer. Net adjustment: -$3,999.
Adjusted +$76,319 for 361 sqft more living space and +$2,229 for being newer. Net adjustment: +$78,548.
Adjusted -$53,487 for 253 sqft less living space and -$2,229 for being older. Net adjustment: -$55,716.
Adjusted -$98,305 for 465 sqft less living space and -$2,229 for being older. Net adjustment: -$100,534.
Adjusted +$34,671 for 164 sqft more living space and -$2,229 for being older. Net adjustment: +$32,442.
The Neighborhood
This home is valued 12.5% 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 -12.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,184 across all districts. With a homestead exemption claimed, that drops to $6,431 — saving $1,753 per year. That's $536 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% | $4,285 |
| Siena MUD #1 | MUD | 0.5250% | $1,867 |
| Williamson County | County | 0.3694% | $1,314 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $355 |
| Williamson County FM/Rd | County | 0.0443% | $158 |
| EWC Higher Ed Center | special | 0.0409% | $145 |
| Upper Brushy Creek WCID | Water | 0.0170% | $60 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $8,184 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $370,771 would pay approximately $2,314 per month (principal and interest only, excluding taxes and insurance).