2908 COTTON GIN DR, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $308,979 and $386,207, with a best estimate of $311,631. That places the property below the R642317C - NORTHFIELDS median of $439,784, in a neighborhood that declined 4.8% over the past year.
Estimated Value Range
$311,631
$327,289
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R642317C - NORTHFIELDS, this home's estimated market value is between $308,979 and $386,207. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$75,437 for 232 sqft less living space. Net adjustment: -$75,437.
Adjusted -$75,437 for 232 sqft less living space. Net adjustment: -$75,437.
This comparable closely matches the subject property's features.
Adjusted +$39,019 for 120 sqft more living space. Net adjustment: +$39,019.
Adjusted -$87,143 for 268 sqft less living space. Net adjustment: -$87,143.
The Neighborhood
This home is valued 25.6% below the R642317C - NORTHFIELDS median of $439,784. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.8% over the past year.
R642317C - NORTHFIELDS
below averageThis home is -25.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,889 across all districts. With a homestead exemption claimed, that drops to $4,578 — saving $1,311 per year. That's $382 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% | $2,923 |
| Round Rock | City | 0.3720% | $1,218 |
| Williamson County | County | 0.3694% | $1,209 |
| Austin Community College | special | 0.1034% | $338 |
| Williamson County FM/Rd | County | 0.0443% | $145 |
| Upper Brushy Creek WCID | Water | 0.0170% | $56 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,889 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $311,631 would pay approximately $1,945 per month (principal and interest only, excluding taxes and insurance).