3610 CORNERSTONE ST, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $270,215 and $336,771, with a best estimate of $290,537. 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
$290,537
$289,102
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 $270,215 and $336,771. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
This comparable closely matches the subject property's features.
Adjusted -$7,583 for 34 sqft less living space and -$3,213 for being older. Net adjustment: -$10,796.
Adjusted +$30,331 for 136 sqft more living space and +$4,820 for being newer. Net adjustment: +$35,151.
Adjusted +$3,345 for 15 sqft more living space and -$3,213 for being older. Net adjustment: +$132.
Adjusted +$12,712 for 57 sqft more living space. Net adjustment: +$12,712.
The Neighborhood
This home is valued 2.5% 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 -2.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,534 across all districts. With a homestead exemption claimed, that drops to $4,230 — saving $1,304 per year. That's $353 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% | $2,582 |
| Brushy Creek MUD | MUD | 0.3868% | $1,118 |
| Williamson County | County | 0.3694% | $1,068 |
| Austin Community College | special | 0.1034% | $299 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $289 |
| 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% | $5,534 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $290,537 would pay approximately $1,814 per month (principal and interest only, excluding taxes and insurance).