3743 CASTLE ROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $45,314 and $408,580, with a best estimate of $196,332. 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
$196,332
$307,073
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 $45,314 and $408,580 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$47,840 for 235 sqft less living space and -$1,401 for being older. Net adjustment: -$49,241.
Adjusted -$107,283 for 527 sqft less living space and +$11,206 for being newer. Net adjustment: -$96,077.
Adjusted -$97,919 for 481 sqft less living space and -$12,607 for being older. Net adjustment: -$110,526.
Adjusted -$179,144 for 880 sqft less living space and -$8,405 for being older. Net adjustment: -$187,549.
Adjusted -$178,941 for 879 sqft less living space and -$11,206 for being older. Net adjustment: -$190,147.
The Neighborhood
This home is valued 16.6% 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 -16.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,525 across all districts. With a homestead exemption claimed, that drops to $4,218 — saving $1,307 per year. That's $352 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% | $2,742 |
| Round Rock | City | 0.3720% | $1,142 |
| Williamson County | County | 0.3694% | $1,134 |
| Austin Community College | special | 0.1034% | $318 |
| Williamson County FM/Rd | County | 0.0443% | $136 |
| Upper Brushy Creek WCID | Water | 0.0170% | $52 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,525 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $196,332 would pay approximately $1,225 per month (principal and interest only, excluding taxes and insurance).