3706 CASTLE ROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $340,536 and $396,624, with a best estimate of $368,589. 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
$368,589
$334,991
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 $340,536 and $396,624 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$19,950 for 98 sqft more living space and -$9,805 for being older. Net adjustment: +$10,145.
Adjusted +$19,747 for 97 sqft more living space and -$7,004 for being older. Net adjustment: +$12,743.
Adjusted +$1,425 for 7 sqft more living space and -$9,805 for being older. Net adjustment: -$8,380.
Adjusted +$26,872 for 132 sqft more living space and -$25,214 for being older. Net adjustment: +$1,658.
Adjusted -$39,697 for 195 sqft less living space and -$25,214 for being older. Net adjustment: -$64,911.
The Neighborhood
This home is valued 9.0% 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 -9.0% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,027 across all districts. With a homestead exemption claimed, that drops to $4,715 — saving $1,312 per year. That's $393 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% | $2,992 |
| Round Rock | City | 0.3720% | $1,246 |
| Williamson County | County | 0.3694% | $1,238 |
| Austin Community College | special | 0.1034% | $346 |
| Williamson County FM/Rd | County | 0.0443% | $148 |
| Upper Brushy Creek WCID | Water | 0.0170% | $57 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,027 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $368,589 would pay approximately $2,301 per month (principal and interest only, excluding taxes and insurance).