5621 SAMBUCO ST, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $484,964 and $632,126, with a best estimate of $559,713. 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
$559,713
$452,987
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 $484,964 and $632,126. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$97,883 for 463 sqft more living space. Net adjustment: +$97,883.
Adjusted +$200,205 for 947 sqft more living space. Net adjustment: +$200,205.
Adjusted +$140,587 for 665 sqft more living space. Net adjustment: +$140,587.
Adjusted +$74,628 for 353 sqft more living space and -$4,457 for being older. Net adjustment: +$70,171.
Adjusted +$172,933 for 818 sqft more living space. Net adjustment: +$172,933.
The Neighborhood
This home is valued 11.5% 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 +11.5% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,427 across all districts. With a homestead exemption claimed, that drops to $8,656 — saving $1,771 per year. That's $721 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% | $5,459 |
| Siena MUD #1 | MUD | 0.5250% | $2,378 |
| Williamson County | County | 0.3694% | $1,674 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $453 |
| Williamson County FM/Rd | County | 0.0443% | $201 |
| EWC Higher Ed Center | special | 0.0409% | $185 |
| Upper Brushy Creek WCID | Water | 0.0170% | $77 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $10,427 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $559,713 would pay approximately $3,494 per month (principal and interest only, excluding taxes and insurance).