3320 PORTER CREEK CV, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $280,920 and $396,232, with a best estimate of $363,290. 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
$363,290
$375,753
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 $280,920 and $396,232. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$32,426 for 121 sqft more living space. Net adjustment: +$32,426.
Adjusted +$27,066 for 101 sqft more living space. Net adjustment: +$27,066.
Adjusted -$134,259 for 501 sqft less living space. Net adjustment: -$134,259.
Adjusted -$10,183 for 38 sqft less living space. Net adjustment: -$10,183.
Adjusted -$92,454 for 345 sqft less living space. Net adjustment: -$92,454.
The Neighborhood
This home is valued 16.8% 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 -16.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,761 across all districts. With a homestead exemption claimed, that drops to $5,441 — saving $1,320 per year. That's $453 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% | $3,356 |
| Round Rock | City | 0.3720% | $1,398 |
| Williamson County | County | 0.3694% | $1,388 |
| Austin Community College | special | 0.1034% | $389 |
| Williamson County FM/Rd | County | 0.0443% | $167 |
| Upper Brushy Creek WCID | Water | 0.0170% | $64 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,761 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $363,290 would pay approximately $2,268 per month (principal and interest only, excluding taxes and insurance).