100 MARK BROOKS CV, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $488,638 and $656,475, with a best estimate of $639,085. That places the property above the R553505E - FOREST CREEK SEC 32, 34, 35 median of $494,830, in a neighborhood that declined 2.4% over the past year.
Estimated Value Range
$639,085
$450,030
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R553505E - FOREST CREEK SEC 32, 34, 35, this home's estimated market value is between $488,638 and $656,475. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$63,368 for 241 sqft less living space. Net adjustment: -$63,368.
Adjusted +$91,503 for 348 sqft more living space. Net adjustment: +$91,503.
Adjusted +$146,983 for 559 sqft more living space. Net adjustment: +$146,983.
Adjusted +$82,826 for 315 sqft more living space. Net adjustment: +$82,826.
Adjusted +$5,785 for 22 sqft more living space. Net adjustment: +$5,785.
The Neighborhood
This home is valued 9.1% below the R553505E - FOREST CREEK SEC 32, 34, 35 median of $494,830. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.4% over the past year.
R553505E - FOREST CREEK SEC 32, 34, 35
typicalThis home is -9.1% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,496 across all districts. With a homestead exemption claimed, that drops to $8,163 — saving $1,333 per year. That's $680 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% | $4,019 |
| Williamson County WSID #3 | special | 0.5830% | $2,624 |
| Williamson County | County | 0.3694% | $1,663 |
| Austin Community College | special | 0.1034% | $465 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $450 |
| Williamson County FM/Rd | County | 0.0443% | $199 |
| Upper Brushy Creek WCID | Water | 0.0170% | $77 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.1102% | $9,496 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $639,085 would pay approximately $3,989 per month (principal and interest only, excluding taxes and insurance).