3300 PORTER CREEK CV, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $253,854 and $366,850, with a best estimate of $336,224. That places the property below the R530506E - SONOMA ALL SECTIONS median of $451,534, in a neighborhood that declined 7.0% over the past year.
Estimated Value Range
$336,224
$369,166
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R530506E - SONOMA ALL SECTIONS, this home's estimated market value is between $253,854 and $366,850. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$5,360 for 20 sqft more living space. Net adjustment: +$5,360.
Adjusted -$161,325 for 602 sqft less living space. Net adjustment: -$161,325.
Adjusted -$37,249 for 139 sqft less living space. Net adjustment: -$37,249.
Adjusted -$119,520 for 446 sqft less living space. Net adjustment: -$119,520.
Adjusted -$1,072 for 4 sqft less living space. Net adjustment: -$1,072.
The Neighborhood
This home is valued 18.2% below the R530506E - SONOMA ALL SECTIONS median of $451,534. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.0% over the past year.
R530506E - SONOMA ALL SECTIONS
below averageThis home is -18.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,642 across all districts. With a homestead exemption claimed, that drops to $5,324 — saving $1,318 per year. That's $444 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% | $3,297 |
| Round Rock | City | 0.3720% | $1,373 |
| Williamson County | County | 0.3694% | $1,364 |
| Austin Community College | special | 0.1034% | $382 |
| Williamson County FM/Rd | County | 0.0443% | $164 |
| Upper Brushy Creek WCID | Water | 0.0170% | $63 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,642 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $336,224 would pay approximately $2,099 per month (principal and interest only, excluding taxes and insurance).