3841 CASTLE ROCK CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $346,571 and $512,576, with a best estimate of $392,468. That places the property above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.
Estimated Value Range
$392,468
$355,481
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $346,571 and $512,576. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$139,040 for 683 sqft more living space. Net adjustment: +$139,040.
Adjusted +$62,090 for 305 sqft more living space. Net adjustment: +$62,090.
Adjusted +$11,604 for 57 sqft more living space. Net adjustment: +$11,604.
Adjusted +$126,826 for 623 sqft more living space. Net adjustment: +$126,826.
Adjusted +$24,836 for 122 sqft more living space. Net adjustment: +$24,836.
The Neighborhood
This home is valued 3.5% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.
R107503F - PRESERVE AT STONE OAK - PH 3 & 4
typicalThis home is -3.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,396 across all districts. With a homestead exemption claimed, that drops to $5,080 — saving $1,316 per year. That's $423 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% | $3,175 |
| Round Rock | City | 0.3720% | $1,322 |
| Williamson County | County | 0.3694% | $1,313 |
| Austin Community College | special | 0.1034% | $368 |
| Williamson County FM/Rd | County | 0.0443% | $158 |
| Upper Brushy Creek WCID | Water | 0.0170% | $60 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,396 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $392,468 would pay approximately $2,450 per month (principal and interest only, excluding taxes and insurance).