3507 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $173,963 and $455,569, with a best estimate of $364,676. 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
$364,676
$365,473
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 $173,963 and $455,569. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$93,170 for 316 sqft more living space and +$3,767 for being newer. Net adjustment: +$96,937.
Adjusted -$18,870 for 64 sqft less living space and -$3,767 for being older. Net adjustment: -$22,637.
Adjusted -$75,185 for 255 sqft less living space and -$3,767 for being older. Net adjustment: -$78,952.
Adjusted +$31,253 for 106 sqft more living space and -$3,767 for being older. Net adjustment: +$27,486.
Adjusted -$111,451 for 378 sqft less living space and +$3,767 for being newer. Net adjustment: -$107,684.
The Neighborhood
This home is valued 17.4% above the R402401F - Lakeside Sub Sec 1 median of $311,433. With 135 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 11.3% over the past year.
R402401F - Lakeside Sub Sec 1
above averageThis home is +17.4% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,576 across all districts. With a homestead exemption claimed, that drops to $5,258 — saving $1,318 per year. That's $438 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% | $3,264 |
| Round Rock | City | 0.3720% | $1,360 |
| Williamson County | County | 0.3694% | $1,350 |
| Austin Community College | special | 0.1034% | $378 |
| Williamson County FM/Rd | County | 0.0443% | $162 |
| Upper Brushy Creek WCID | Water | 0.0170% | $62 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $6,576 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $364,676 would pay approximately $2,276 per month (principal and interest only, excluding taxes and insurance).