6121 MANTALCINO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $419,516 and $502,667, with a best estimate of $476,288. 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
$476,288
$388,285
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 $419,516 and $502,667. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$129,805 for 614 sqft more living space. Net adjustment: +$129,805.
Adjusted +$53,064 for 251 sqft more living space and +$2,229 for being newer. Net adjustment: +$55,293.
Adjusted +$2,326 for 11 sqft more living space and -$4,457 for being older. Net adjustment: -$2,131.
Adjusted +$159,191 for 753 sqft more living space and -$4,457 for being older. Net adjustment: +$154,734.
Adjusted +$127,691 for 604 sqft more living space. Net adjustment: +$127,691.
The Neighborhood
This home is valued 4.4% 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 -4.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,938 across all districts. With a homestead exemption claimed, that drops to $7,179 — saving $1,759 per year. That's $598 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% | $4,680 |
| Siena MUD #1 | MUD | 0.5250% | $2,038 |
| Williamson County | County | 0.3694% | $1,435 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $388 |
| Williamson County FM/Rd | County | 0.0443% | $172 |
| EWC Higher Ed Center | special | 0.0409% | $159 |
| Upper Brushy Creek WCID | Water | 0.0170% | $66 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $8,938 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $476,288 would pay approximately $2,973 per month (principal and interest only, excluding taxes and insurance).