3821 CASTLE ROCK CV, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $224,783 and $385,750, with a best estimate of $370,159. 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
$370,159
$368,414
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 $224,783 and $385,750. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$12,214 for 60 sqft more living space. Net adjustment: +$12,214.
Adjusted -$64,736 for 318 sqft less living space. Net adjustment: -$64,736.
This comparable closely matches the subject property's features.
Adjusted -$101,990 for 501 sqft less living space. Net adjustment: -$101,990.
Adjusted -$9,772 for 48 sqft less living space. Net adjustment: -$9,772.
The Neighborhood
This home is in line with the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. Note that values in this subdivision declined 10.9% over the past year.
R107503F - PRESERVE AT STONE OAK - PH 3 & 4
typicalThis home is +0.1% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,629 across all districts. With a homestead exemption claimed, that drops to $5,310 — saving $1,319 per year. That's $443 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% | $3,290 |
| Round Rock | City | 0.3720% | $1,371 |
| Williamson County | County | 0.3694% | $1,361 |
| Austin Community College | special | 0.1034% | $381 |
| Williamson County FM/Rd | County | 0.0443% | $163 |
| Upper Brushy Creek WCID | Water | 0.0170% | $63 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,629 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $370,159 would pay approximately $2,311 per month (principal and interest only, excluding taxes and insurance).