5857 MANTALCINO DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $477,892 and $508,417, with a best estimate of $488,603. 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
$488,603
$421,647
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 $477,892 and $508,417. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$127,480 for 603 sqft more living space and +$4,457 for being newer. Net adjustment: +$131,937.
Adjusted +$50,738 for 240 sqft more living space and +$6,686 for being newer. Net adjustment: +$57,424.
Adjusted +$156,866 for 742 sqft more living space. Net adjustment: +$156,866.
Adjusted +$125,366 for 593 sqft more living space and +$4,457 for being newer. Net adjustment: +$129,823.
Adjusted +$136,782 for 647 sqft more living space and +$4,457 for being newer. Net adjustment: +$141,239.
The Neighborhood
This home is valued 3.8% above the H121413C - SIENA median of $406,354. With 1,611 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.4% over the past year.
H121413C - SIENA
typicalThis home is +3.8% above the subdivision median.
Tax Analysis
The estimated annual property tax is $9,706 across all districts. With a homestead exemption claimed, that drops to $7,941 — saving $1,765 per year. That's $662 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% | $5,082 |
| Siena MUD #1 | MUD | 0.5250% | $2,214 |
| Williamson County | County | 0.3694% | $1,558 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $422 |
| Williamson County FM/Rd | County | 0.0443% | $187 |
| EWC Higher Ed Center | special | 0.0409% | $172 |
| Upper Brushy Creek WCID | Water | 0.0170% | $72 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $9,706 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $488,603 would pay approximately $3,050 per month (principal and interest only, excluding taxes and insurance).