8121 PORTO CV, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $307,862 and $426,789, with a best estimate of $385,026. That places the property below the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.
Estimated Value Range
$385,026
$410,446
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 $307,862 and $426,789. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$423 for 2 sqft less living space and -$2,229 for being older. Net adjustment: -$2,652.
Adjusted +$16,067 for 76 sqft more living space. Net adjustment: +$16,067.
Adjusted -$60,463 for 286 sqft less living space and -$2,229 for being older. Net adjustment: -$62,692.
Adjusted -$19,238 for 91 sqft less living space and -$4,457 for being older. Net adjustment: -$23,695.
Adjusted -$63,423 for 300 sqft less living space and +$2,229 for being newer. Net adjustment: -$61,194.
The Neighborhood
This home is in line with the H121413C - SIENA median of $406,354. Note that values in this subdivision declined 5.4% over the past year.
H121413C - SIENA
typicalThis home is +1.0% above the subdivision median.
Tax Analysis
The estimated annual property tax is $9,447 across all districts. With a homestead exemption claimed, that drops to $7,684 — saving $1,763 per year. That's $640 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% | $4,947 |
| Siena MUD #1 | MUD | 0.5250% | $2,155 |
| Williamson County | County | 0.3694% | $1,516 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $410 |
| Williamson County FM/Rd | County | 0.0443% | $182 |
| EWC Higher Ed Center | special | 0.0409% | $168 |
| Upper Brushy Creek WCID | Water | 0.0170% | $70 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $9,447 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $385,026 would pay approximately $2,403 per month (principal and interest only, excluding taxes and insurance).