3504 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $283,700 and $501,206, with a best estimate of $446,520. 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
$446,520
$277,988
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 $283,700 and $501,206. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$195,776 for 664 sqft more living space. Net adjustment: +$195,776.
Adjusted +$34,497 for 117 sqft more living space and +$3,767 for being newer. Net adjustment: +$38,264.
Adjusted +$150,370 for 510 sqft more living space and -$11,302 for being older. Net adjustment: +$139,068.
Adjusted +$106,733 for 362 sqft more living space and -$11,302 for being older. Net adjustment: +$95,431.
Adjusted +$1,769 for 6 sqft more living space and +$3,767 for being newer. Net adjustment: +$5,536.
The Neighborhood
This home is valued 10.7% 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 -10.7% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,002 across all districts. With a homestead exemption claimed, that drops to $3,700 — saving $1,302 per year. That's $308 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% | $2,483 |
| Round Rock | City | 0.3720% | $1,034 |
| Williamson County | County | 0.3694% | $1,027 |
| Austin Community College | special | 0.1034% | $287 |
| Williamson County FM/Rd | County | 0.0443% | $123 |
| Upper Brushy Creek WCID | Water | 0.0170% | $47 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,002 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $446,520 would pay approximately $2,787 per month (principal and interest only, excluding taxes and insurance).