3747 CASTLE ROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $130,000 and $493,267, with a best estimate of $257,439. That places the property below 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
$257,439
$379,097
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 $130,000 and $493,267 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$36,847 for 181 sqft more living space and -$1,401 for being older. Net adjustment: +$35,446.
Adjusted -$22,597 for 111 sqft less living space and +$11,206 for being newer. Net adjustment: -$11,391.
Adjusted -$13,232 for 65 sqft less living space and -$12,607 for being older. Net adjustment: -$25,839.
Adjusted -$2,443 for 12 sqft less living space and -$33,619 for being older. Net adjustment: -$36,062.
Adjusted -$18,525 for 91 sqft less living space and -$29,416 for being older. Net adjustment: -$47,941.
The Neighborhood
This home is valued 3.0% above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. With 1,045 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 10.9% over the past year.
R107503F - PRESERVE AT STONE OAK - PH 3 & 4
typicalThis home is +3.0% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,821 across all districts. With a homestead exemption claimed, that drops to $5,501 — saving $1,320 per year. That's $458 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% | $3,386 |
| Round Rock | City | 0.3720% | $1,410 |
| Williamson County | County | 0.3694% | $1,401 |
| Austin Community College | special | 0.1034% | $392 |
| Williamson County FM/Rd | County | 0.0443% | $168 |
| Upper Brushy Creek WCID | Water | 0.0170% | $64 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,821 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $257,439 would pay approximately $1,607 per month (principal and interest only, excluding taxes and insurance).