3778 CASTLE ROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $40,681 and $403,947, with a best estimate of $191,698. 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
$191,698
$317,712
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 $40,681 and $403,947 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$49,672 for 244 sqft less living space and -$4,202 for being older. Net adjustment: -$53,874.
Adjusted -$109,115 for 536 sqft less living space and +$8,405 for being newer. Net adjustment: -$100,710.
Adjusted -$99,751 for 490 sqft less living space and -$15,409 for being older. Net adjustment: -$115,160.
Adjusted -$180,977 for 889 sqft less living space and -$11,206 for being older. Net adjustment: -$192,183.
Adjusted -$180,773 for 888 sqft less living space and -$14,008 for being older. Net adjustment: -$194,781.
The Neighborhood
This home is valued 13.7% 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 -13.7% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,717 across all districts. With a homestead exemption claimed, that drops to $4,407 — saving $1,310 per year. That's $367 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% | $2,837 |
| Round Rock | City | 0.3720% | $1,182 |
| Williamson County | County | 0.3694% | $1,174 |
| Austin Community College | special | 0.1034% | $329 |
| Williamson County FM/Rd | County | 0.0443% | $141 |
| Upper Brushy Creek WCID | Water | 0.0170% | $54 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,717 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $191,698 would pay approximately $1,197 per month (principal and interest only, excluding taxes and insurance).