6128 MANTALCINO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $286,019 and $421,289, with a best estimate of $352,975. 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
$352,975
$352,712
Based on 5 comparable properties(4 in the same subdivision)
Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $286,019 and $421,289. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$4,862 for 23 sqft less living space and +$20,058 for being newer. Net adjustment: +$15,196.
Adjusted -$5,919 for 28 sqft less living space and +$2,229 for being newer. Net adjustment: -$3,690.
Adjusted -$82,661 for 391 sqft less living space and +$4,457 for being newer. Net adjustment: -$78,204.
Adjusted -$133,399 for 631 sqft less living space and -$2,229 for being older. Net adjustment: -$135,628.
Adjusted +$23,466 for 111 sqft more living space and -$2,229 for being older. Net adjustment: +$21,237.
The Neighborhood
This home is valued 13.2% 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 -13.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,119 across all districts. With a homestead exemption claimed, that drops to $6,366 — saving $1,753 per year. That's $531 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% | $4,251 |
| Siena MUD #1 | MUD | 0.5250% | $1,852 |
| Williamson County | County | 0.3694% | $1,303 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $353 |
| Williamson County FM/Rd | County | 0.0443% | $156 |
| EWC Higher Ed Center | special | 0.0409% | $144 |
| Upper Brushy Creek WCID | Water | 0.0170% | $60 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $8,119 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $352,975 would pay approximately $2,203 per month (principal and interest only, excluding taxes and insurance).