3640 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $241,447 and $356,630, with a best estimate of $346,918. That places the property above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056, in a neighborhood that declined 4.7% over the past year.
Estimated Value Range
$346,918
$349,938
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R409599G - STONEY BROOK - ALL SECTIONS, this home's estimated market value is between $241,447 and $356,630. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$84,746 for 366 sqft less living space. Net adjustment: -$84,746.
Adjusted -$53,256 for 230 sqft less living space. Net adjustment: -$53,256.
Adjusted -$48,625 for 210 sqft less living space and +$12,334 for being newer. Net adjustment: -$36,291.
This comparable closely matches the subject property's features.
This comparable closely matches the subject property's features.
The Neighborhood
This home is valued 6.7% above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. With 197 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.7% over the past year.
R409599G - STONEY BROOK - ALL SECTIONS
typicalThis home is +6.7% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,296 across all districts. With a homestead exemption claimed, that drops to $4,981 — saving $1,315 per year. That's $415 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% | $3,125 |
| Round Rock | City | 0.3720% | $1,302 |
| Williamson County | County | 0.3694% | $1,293 |
| Austin Community College | special | 0.1034% | $362 |
| Williamson County FM/Rd | County | 0.0443% | $155 |
| Upper Brushy Creek WCID | Water | 0.0170% | $59 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,296 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $346,918 would pay approximately $2,165 per month (principal and interest only, excluding taxes and insurance).