3511 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $289,784 and $563,253, with a best estimate of $484,035. That places the property above the R402401F - Lakeside Sub Sec 1 median of $311,433, in a neighborhood that declined 11.3% over the past year.
Estimated Value Range
$484,035
$281,647
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R402401F - Lakeside Sub Sec 1, this home's estimated market value is between $289,784 and $563,253. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$194,302 for 659 sqft more living space. Net adjustment: +$194,302.
Adjusted +$204,621 for 694 sqft more living space. Net adjustment: +$204,621.
Adjusted +$112,925 for 383 sqft more living space. Net adjustment: +$112,925.
Adjusted +$10,614 for 36 sqft more living space. Net adjustment: +$10,614.
Adjusted +$111,451 for 378 sqft more living space and -$3,767 for being older. Net adjustment: +$107,684.
The Neighborhood
This home is valued 9.6% below the R402401F - Lakeside Sub Sec 1 median of $311,433. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 11.3% over the past year.
R402401F - Lakeside Sub Sec 1
typicalThis home is -9.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,068 across all districts. With a homestead exemption claimed, that drops to $3,765 — saving $1,303 per year. That's $314 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% | $2,515 |
| Round Rock | City | 0.3720% | $1,048 |
| Williamson County | County | 0.3694% | $1,041 |
| Austin Community College | special | 0.1034% | $291 |
| Williamson County FM/Rd | County | 0.0443% | $125 |
| Upper Brushy Creek WCID | Water | 0.0170% | $48 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,068 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $484,035 would pay approximately $3,021 per month (principal and interest only, excluding taxes and insurance).