8109 PORTO CV, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $431,510 and $644,826, with a best estimate of $477,904. 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
$477,904
$564,644
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 $431,510 and $644,826. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$150,312 for 711 sqft more living space and +$15,600 for being newer. Net adjustment: +$165,912.
Adjusted +$2,960 for 14 sqft more living space and +$20,058 for being newer. Net adjustment: +$23,018.
Adjusted +$11,628 for 55 sqft more living space and +$11,143 for being newer. Net adjustment: +$22,771.
Adjusted +$210,352 for 995 sqft more living space and +$15,600 for being newer. Net adjustment: +$225,952.
Adjusted +$96,191 for 455 sqft more living space and +$13,372 for being newer. Net adjustment: +$109,563.
The Neighborhood
This home is valued 39.0% 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
above averageThis home is +39.0% above the subdivision median.
Tax Analysis
The estimated annual property tax is $12,997 across all districts. With a homestead exemption claimed, that drops to $11,205 — saving $1,792 per year. That's $934 per month a buyer should budget. The assessed value increased +54.1% vs the subdivision average of -5.4%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Hutto ISD | School | 1.2052% | $6,805 |
| Siena MUD #1 | MUD | 0.5250% | $2,964 |
| Williamson County | County | 0.3694% | $2,086 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $564 |
| Williamson County FM/Rd | County | 0.0443% | $250 |
| EWC Higher Ed Center | special | 0.0409% | $231 |
| Upper Brushy Creek WCID | Water | 0.0170% | $96 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $12,997 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $477,904 would pay approximately $2,983 per month (principal and interest only, excluding taxes and insurance).