3309 PORTER CREEK CV, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $291,104 and $406,415, with a best estimate of $307,884. 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
$307,884
$373,473
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 $291,104 and $406,415. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$42,609 for 159 sqft more living space. Net adjustment: +$42,609.
Adjusted -$101,297 for 378 sqft less living space. Net adjustment: -$101,297.
Adjusted +$37,249 for 139 sqft more living space. Net adjustment: +$37,249.
Adjusted -$124,075 for 463 sqft less living space. Net adjustment: -$124,075.
Adjusted -$82,270 for 307 sqft less living space. Net adjustment: -$82,270.
The Neighborhood
This home is valued 17.3% 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 -17.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,720 across all districts. With a homestead exemption claimed, that drops to $5,400 — saving $1,320 per year. That's $450 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% | $3,335 |
| Round Rock | City | 0.3720% | $1,389 |
| Williamson County | County | 0.3694% | $1,380 |
| Austin Community College | special | 0.1034% | $386 |
| Williamson County FM/Rd | County | 0.0443% | $166 |
| Upper Brushy Creek WCID | Water | 0.0170% | $63 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,720 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $307,884 would pay approximately $1,922 per month (principal and interest only, excluding taxes and insurance).