3763 CASTLE ROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $203,490 and $354,508, with a best estimate of $326,473. 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
$326,473
$297,657
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 $203,490 and $354,508 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$20,968 for 103 sqft less living space and -$8,405 for being older. Net adjustment: -$29,373.
Adjusted -$20,764 for 102 sqft less living space and -$11,206 for being older. Net adjustment: -$31,970.
Adjusted -$39,290 for 193 sqft less living space and -$11,206 for being older. Net adjustment: -$50,496.
Adjusted -$13,843 for 68 sqft less living space and -$26,615 for being older. Net adjustment: -$40,458.
Adjusted +$50,893 for 250 sqft more living space and +$11,206 for being newer. Net adjustment: +$62,099.
The Neighborhood
This home is valued 19.2% 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
below averageThis home is -19.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,356 across all districts. With a homestead exemption claimed, that drops to $4,050 — saving $1,306 per year. That's $338 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% | $2,658 |
| Round Rock | City | 0.3720% | $1,107 |
| Williamson County | County | 0.3694% | $1,100 |
| Austin Community College | special | 0.1034% | $308 |
| Williamson County FM/Rd | County | 0.0443% | $132 |
| Upper Brushy Creek WCID | Water | 0.0170% | $51 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,356 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $326,473 would pay approximately $2,038 per month (principal and interest only, excluding taxes and insurance).