6145 MANTALCINO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $290,767 and $426,036, with a best estimate of $357,723. 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
$357,723
$359,945
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 $290,767 and $426,036. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$2,114 for 10 sqft more living space and +$17,829 for being newer. Net adjustment: +$19,943.
Adjusted +$1,057 for 5 sqft more living space. Net adjustment: +$1,057.
Adjusted -$75,685 for 358 sqft less living space and +$2,229 for being newer. Net adjustment: -$73,456.
Adjusted -$126,423 for 598 sqft less living space and -$4,457 for being older. Net adjustment: -$130,880.
Adjusted +$30,443 for 144 sqft more living space and -$4,457 for being older. Net adjustment: +$25,986.
The Neighborhood
This home is valued 11.4% 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 -11.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,285 across all districts. With a homestead exemption claimed, that drops to $6,532 — saving $1,753 per year. That's $544 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% | $4,338 |
| Siena MUD #1 | MUD | 0.5250% | $1,890 |
| Williamson County | County | 0.3694% | $1,330 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $360 |
| Williamson County FM/Rd | County | 0.0443% | $160 |
| EWC Higher Ed Center | special | 0.0409% | $147 |
| Upper Brushy Creek WCID | Water | 0.0170% | $61 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $8,285 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $357,723 would pay approximately $2,233 per month (principal and interest only, excluding taxes and insurance).