8100 PORTO CV, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $334,354 and $487,983, with a best estimate of $444,416. 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
$444,416
$446,220
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 $334,354 and $487,983. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$2,960 for 14 sqft more living space and -$4,457 for being older. Net adjustment: -$1,497.
Adjusted +$44,185 for 209 sqft more living space and -$6,686 for being older. Net adjustment: +$37,499.
Adjusted +$79,490 for 376 sqft more living space and -$2,229 for being older. Net adjustment: +$77,261.
Adjusted +$2,960 for 14 sqft more living space and -$4,457 for being older. Net adjustment: -$1,497.
Adjusted -$13,530 for 64 sqft less living space and -$6,686 for being older. Net adjustment: -$20,216.
The Neighborhood
This home is valued 9.8% 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 +9.8% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,271 across all districts. With a homestead exemption claimed, that drops to $8,501 — saving $1,770 per year. That's $708 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% | $5,378 |
| Siena MUD #1 | MUD | 0.5250% | $2,343 |
| Williamson County | County | 0.3694% | $1,649 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $446 |
| Williamson County FM/Rd | County | 0.0443% | $198 |
| EWC Higher Ed Center | special | 0.0409% | $182 |
| Upper Brushy Creek WCID | Water | 0.0170% | $76 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $10,271 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $444,416 would pay approximately $2,774 per month (principal and interest only, excluding taxes and insurance).