3765 CASTLE ROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $347,889 and $699,917, with a best estimate of $399,155. 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
$399,155
$340,645
Based on 5 comparable properties(0 in the same subdivision)
There are 5 comparable properties within range, but none are in R107503F - PRESERVE AT STONE OAK - PH 3 & 4. The estimated range of $347,889 and $699,917 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$10,179 for 50 sqft more living space and -$11,206 for being older. Net adjustment: -$1,027.
Adjusted +$28,500 for 140 sqft more living space and -$8,405 for being older. Net adjustment: +$20,095.
Adjusted +$28,704 for 141 sqft more living space and -$11,206 for being older. Net adjustment: +$17,498.
Adjusted -$17,507 for 86 sqft less living space and +$15,409 for being newer. Net adjustment: -$2,098.
Adjusted -$30,943 for 152 sqft less living space and -$26,615 for being older. Net adjustment: -$57,558.
The Neighborhood
This home is valued 7.5% 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 -7.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,129 across all districts. With a homestead exemption claimed, that drops to $4,816 — saving $1,313 per year. That's $401 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% | $3,042 |
| Round Rock | City | 0.3720% | $1,267 |
| Williamson County | County | 0.3694% | $1,259 |
| Austin Community College | special | 0.1034% | $352 |
| Williamson County FM/Rd | County | 0.0443% | $151 |
| Upper Brushy Creek WCID | Water | 0.0170% | $58 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,129 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $399,155 would pay approximately $2,492 per month (principal and interest only, excluding taxes and insurance).