3750 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $301,200 and $482,134, with a best estimate of $461,445. 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
$461,445
$304,920
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 $301,200 and $482,134. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$35,195 for 152 sqft less living space and +$4,111 for being newer. Net adjustment: -$31,084.
Adjusted -$2,315 for 10 sqft less living space and -$16,445 for being older. Net adjustment: -$18,760.
Adjusted +$95,397 for 412 sqft more living space and +$8,223 for being newer. Net adjustment: +$103,620.
Adjusted +$52,793 for 228 sqft more living space and -$16,445 for being older. Net adjustment: +$36,348.
Adjusted +$12,040 for 52 sqft more living space and -$4,111 for being older. Net adjustment: +$7,929.
The Neighborhood
This home is valued 7.1% 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 -7.1% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,486 across all districts. With a homestead exemption claimed, that drops to $4,180 — saving $1,306 per year. That's $348 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% | $2,723 |
| Round Rock | City | 0.3720% | $1,134 |
| Williamson County | County | 0.3694% | $1,127 |
| Austin Community College | special | 0.1034% | $315 |
| Williamson County FM/Rd | County | 0.0443% | $135 |
| Upper Brushy Creek WCID | Water | 0.0170% | $52 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,486 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $461,445 would pay approximately $2,880 per month (principal and interest only, excluding taxes and insurance).