3620 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $317,658 and $433,201, with a best estimate of $347,994. 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
$347,994
$315,636
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 $317,658 and $433,201. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$54,413 for 235 sqft more living space and +$8,223 for being newer. Net adjustment: +$62,636.
Adjusted +$24,544 for 106 sqft more living space. Net adjustment: +$24,544.
Adjusted +$51,866 for 224 sqft more living space and +$8,223 for being newer. Net adjustment: +$60,089.
Adjusted -$3,010 for 13 sqft less living space and +$4,111 for being newer. Net adjustment: +$1,101.
Adjusted +$50,246 for 217 sqft more living space and +$8,223 for being newer. Net adjustment: +$58,469.
The Neighborhood
This home is valued 3.8% below the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.7% over the past year.
R409599G - STONEY BROOK - ALL SECTIONS
typicalThis home is -3.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,679 across all districts. With a homestead exemption claimed, that drops to $4,371 — saving $1,308 per year. That's $364 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% | $2,819 |
| Round Rock | City | 0.3720% | $1,174 |
| Williamson County | County | 0.3694% | $1,166 |
| Austin Community College | special | 0.1034% | $326 |
| Williamson County FM/Rd | County | 0.0443% | $140 |
| Upper Brushy Creek WCID | Water | 0.0170% | $54 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,679 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $347,994 would pay approximately $2,172 per month (principal and interest only, excluding taxes and insurance).