3822 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $277,965 and $505,041, with a best estimate of $356,845. 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
$356,845
$304,077
Based on 5 comparable properties(4 in the same subdivision)
Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $277,965 and $505,041. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$27,554 for 119 sqft more living space and +$4,111 for being newer. Net adjustment: +$31,665.
Adjusted +$22,692 for 98 sqft more living space. Net adjustment: +$22,692.
Adjusted -$38,668 for 167 sqft less living space and +$4,111 for being newer. Net adjustment: -$34,557.
Adjusted +$79,189 for 342 sqft more living space. Net adjustment: +$79,189.
Adjusted +$23,618 for 102 sqft more living space and +$16,445 for being newer. Net adjustment: +$40,063.
The Neighborhood
This home is valued 7.3% 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 -7.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,471 across all districts. With a homestead exemption claimed, that drops to $4,165 — saving $1,306 per year. That's $347 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% | $2,716 |
| Round Rock | City | 0.3720% | $1,131 |
| Williamson County | County | 0.3694% | $1,123 |
| Austin Community College | special | 0.1034% | $314 |
| 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% | $5,471 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $356,845 would pay approximately $2,227 per month (principal and interest only, excluding taxes and insurance).