8117 PORTO CV, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $406,917 and $534,739, with a best estimate of $408,721. 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
$408,721
$331,557
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 $406,917 and $534,739. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$44,185 for 209 sqft less living space and +$6,686 for being newer. Net adjustment: -$37,499.
Adjusted -$41,225 for 195 sqft less living space and +$2,229 for being newer. Net adjustment: -$38,996.
Adjusted +$98,305 for 465 sqft more living space and +$2,229 for being newer. Net adjustment: +$100,534.
Adjusted +$35,305 for 167 sqft more living space and +$4,457 for being newer. Net adjustment: +$39,762.
Adjusted -$41,225 for 195 sqft less living space and +$2,229 for being newer. Net adjustment: -$38,996.
The Neighborhood
This home is valued 18.4% 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
below averageThis home is -18.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,632 across all districts. With a homestead exemption claimed, that drops to $5,883 — saving $1,749 per year. That's $490 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% | $3,996 |
| Siena MUD #1 | MUD | 0.5250% | $1,741 |
| Williamson County | County | 0.3694% | $1,225 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $331 |
| Williamson County FM/Rd | County | 0.0443% | $147 |
| EWC Higher Ed Center | special | 0.0409% | $136 |
| Upper Brushy Creek WCID | Water | 0.0170% | $56 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $7,632 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $408,721 would pay approximately $2,551 per month (principal and interest only, excluding taxes and insurance).