2507 PORTICI PASS, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $443,431 and $591,444, with a best estimate of $557,368. 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
$557,368
$569,070
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 $443,431 and $591,444. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$159,038 for 517 sqft less living space. Net adjustment: -$159,038.
Adjusted -$130,430 for 424 sqft less living space. Net adjustment: -$130,430.
Adjusted +$22,148 for 72 sqft more living space. Net adjustment: +$22,148.
Adjusted -$166,729 for 542 sqft less living space and -$117,932 for no pool. Net adjustment: -$284,661.
Adjusted -$250,401 for 814 sqft less living space. Net adjustment: -$250,401.
The Neighborhood
This home is valued 12.7% 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
typicalThis home is -12.7% below the subdivision median.
Tax Analysis
The estimated annual property tax is $10,239 across all districts. With a homestead exemption claimed, that drops to $8,884 — saving $1,355 per year. That's $740 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% | $5,082 |
| Round Rock | City | 0.3720% | $2,117 |
| Williamson County | County | 0.3694% | $2,102 |
| Austin Community College | special | 0.1034% | $588 |
| Williamson County FM/Rd | County | 0.0443% | $252 |
| Upper Brushy Creek WCID | Water | 0.0170% | $97 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $10,239 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $557,368 would pay approximately $3,479 per month (principal and interest only, excluding taxes and insurance).