3505 CORNERSTONE, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $342,187 and $388,420, with a best estimate of $378,653. That places the property above the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.
Estimated Value Range
$378,653
$287,740
Based on 5 comparable properties(3 in the same subdivision)
Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $342,187 and $388,420. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$24,755 for 111 sqft less living space and +$4,820 for being newer. Net adjustment: -$19,935.
Adjusted -$7,806 for 35 sqft less living space and -$6,427 for being older. Net adjustment: -$14,233.
Adjusted +$54,863 for 246 sqft more living space and -$3,213 for being older. Net adjustment: +$51,650.
Adjusted +$47,280 for 212 sqft more living space and -$6,427 for being older. Net adjustment: +$40,853.
Adjusted +$85,193 for 382 sqft more living space and +$1,607 for being newer. Net adjustment: +$86,800.
The Neighborhood
This home is valued 3.0% 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 -3.0% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,508 across all districts. With a homestead exemption claimed, that drops to $4,204 — saving $1,304 per year. That's $350 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% | $2,570 |
| Brushy Creek MUD | MUD | 0.3868% | $1,113 |
| Williamson County | County | 0.3694% | $1,063 |
| Austin Community College | special | 0.1034% | $298 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $288 |
| Williamson County FM/Rd | County | 0.0443% | $128 |
| Upper Brushy Creek WCID | Water | 0.0170% | $49 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $5,508 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $378,653 would pay approximately $2,364 per month (principal and interest only, excluding taxes and insurance).