2504 PORTICI PASS, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $455,458 and $828,686, with a best estimate of $636,909. That places the property below the R440515C - VIZCAYA median of $652,212, in a neighborhood that declined 0.6% over the past year.
Estimated Value Range
$636,909
$527,847
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R440515C - VIZCAYA, this home's estimated market value is between $455,458 and $828,686. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$134,737 for 438 sqft less living space. Net adjustment: -$134,737.
Adjusted +$112,280 for 365 sqft more living space. Net adjustment: +$112,280.
Adjusted +$20,918 for 68 sqft more living space. Net adjustment: +$20,918.
Adjusted +$29,531 for 96 sqft more living space. Net adjustment: +$29,531.
Adjusted -$112,588 for 366 sqft less living space. Net adjustment: -$112,588.
The Neighborhood
This home is valued 19.1% below the R440515C - VIZCAYA median of $652,212. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 0.6% over the past year.
R440515C - VIZCAYA
below averageThis home is -19.1% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,497 across all districts. With a homestead exemption claimed, that drops to $8,150 — saving $1,347 per year. That's $679 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 |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $4,714 |
| Round Rock | City | 0.3720% | $1,964 |
| Williamson County | County | 0.3694% | $1,950 |
| Austin Community College | special | 0.1034% | $546 |
| Williamson County FM/Rd | County | 0.0443% | $234 |
| Upper Brushy Creek WCID | Water | 0.0170% | $90 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $9,497 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $636,909 would pay approximately $3,976 per month (principal and interest only, excluding taxes and insurance).