3814 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $255,273 and $514,508, with a best estimate of $334,153. 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
$334,153
$326,735
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 $255,273 and $514,508. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$4,862 for 21 sqft more living space and +$4,111 for being newer. Net adjustment: +$8,973.
Adjusted -$61,360 for 265 sqft less living space and +$4,111 for being newer. Net adjustment: -$57,249.
Adjusted -$22,692 for 98 sqft less living space. Net adjustment: -$22,692.
Adjusted +$926 for 4 sqft more living space and +$16,445 for being newer. Net adjustment: +$17,371.
Adjusted +$136,149 for 588 sqft more living space. Net adjustment: +$136,149.
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 -0.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,879 across all districts. With a homestead exemption claimed, that drops to $4,568 — saving $1,311 per year. That's $381 per month a buyer should budget. The assessed value increased +1.2% vs the subdivision average of -4.7%. This above-average increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,918 |
| Round Rock | City | 0.3720% | $1,215 |
| Williamson County | County | 0.3694% | $1,207 |
| Austin Community College | special | 0.1034% | $338 |
| Williamson County FM/Rd | County | 0.0443% | $145 |
| Upper Brushy Creek WCID | Water | 0.0170% | $56 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,879 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $334,153 would pay approximately $2,086 per month (principal and interest only, excluding taxes and insurance).