3723 CASTLE ROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $354,699 and $391,762, with a best estimate of $370,107. 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
$370,107
$339,431
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 $354,699 and $391,762 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$16,489 for 81 sqft more living space and -$11,206 for being older. Net adjustment: +$5,283.
Adjusted +$16,286 for 80 sqft more living space and -$8,405 for being older. Net adjustment: +$7,881.
Adjusted -$2,036 for 10 sqft less living space and -$11,206 for being older. Net adjustment: -$13,242.
Adjusted +$23,411 for 115 sqft more living space and -$26,615 for being older. Net adjustment: -$3,204.
Adjusted +$7,939 for 39 sqft more living space and -$36,420 for being older. Net adjustment: -$28,481.
The Neighborhood
This home is valued 7.8% 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 -7.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,107 across all districts. With a homestead exemption claimed, that drops to $4,794 — saving $1,313 per year. That's $400 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% | $3,031 |
| Round Rock | City | 0.3720% | $1,263 |
| Williamson County | County | 0.3694% | $1,254 |
| Austin Community College | special | 0.1034% | $351 |
| Williamson County FM/Rd | County | 0.0443% | $150 |
| Upper Brushy Creek WCID | Water | 0.0170% | $58 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,107 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $370,107 would pay approximately $2,310 per month (principal and interest only, excluding taxes and insurance).