3606 CORNERSTONE ST, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $269,100 and $335,656, with a best estimate of $289,422. That places the property below the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.
Estimated Value Range
$289,422
$275,273
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 $269,100 and $335,656. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$1,115 for 5 sqft less living space. Net adjustment: -$1,115.
Adjusted -$8,698 for 39 sqft less living space and -$3,213 for being older. Net adjustment: -$11,911.
Adjusted +$29,216 for 131 sqft more living space and +$4,820 for being newer. Net adjustment: +$34,036.
Adjusted +$2,230 for 10 sqft more living space and -$3,213 for being older. Net adjustment: -$983.
Adjusted +$11,597 for 52 sqft more living space. Net adjustment: +$11,597.
The Neighborhood
This home is valued 7.2% below the R210480H - Brushy Creek median of $296,542. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 14.6% over the past year.
R210480H - Brushy Creek
typicalThis home is -7.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,269 across all districts. With a homestead exemption claimed, that drops to $3,968 — saving $1,301 per year. That's $331 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% | $2,458 |
| Brushy Creek MUD | MUD | 0.3868% | $1,065 |
| Williamson County | County | 0.3694% | $1,017 |
| Austin Community College | special | 0.1034% | $285 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $275 |
| Williamson County FM/Rd | County | 0.0443% | $122 |
| Upper Brushy Creek WCID | Water | 0.0170% | $47 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $5,269 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $289,422 would pay approximately $1,807 per month (principal and interest only, excluding taxes and insurance).