3644 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $216,585 and $441,376, with a best estimate of $434,537. 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
$434,537
$326,193
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 $216,585 and $441,376. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$84,746 for 366 sqft more living space. Net adjustment: +$84,746.
Adjusted +$84,746 for 366 sqft more living space. Net adjustment: +$84,746.
Adjusted -$109,058 for 471 sqft less living space and +$4,111 for being newer. Net adjustment: -$104,947.
Adjusted +$84,746 for 366 sqft more living space. Net adjustment: +$84,746.
Adjusted -$103,733 for 448 sqft less living space. Net adjustment: -$103,733.
The Neighborhood
This home is in line with the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. Note that values in this subdivision declined 4.7% over the past year.
R409599G - STONEY BROOK - ALL SECTIONS
typicalThis home is -0.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,869 across all districts. With a homestead exemption claimed, that drops to $4,559 — saving $1,310 per year. That's $380 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% | $2,913 |
| Round Rock | City | 0.3720% | $1,213 |
| Williamson County | County | 0.3694% | $1,205 |
| Austin Community College | special | 0.1034% | $337 |
| Williamson County FM/Rd | County | 0.0443% | $145 |
| Upper Brushy Creek WCID | Water | 0.0170% | $55 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,869 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $434,537 would pay approximately $2,712 per month (principal and interest only, excluding taxes and insurance).