3515 CORNERSTONE, 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
$319,464
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 7.7% above the R210480H - Brushy Creek median of $296,542. With 871 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 14.6% over the past year.
R210480H - Brushy Creek
typicalThis home is +7.7% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,115 across all districts. With a homestead exemption claimed, that drops to $4,806 — saving $1,309 per year. That's $401 per month a buyer should budget. The assessed value increased -1.0% vs the subdivision average of -14.6%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,853 |
| Brushy Creek MUD | MUD | 0.3868% | $1,236 |
| Williamson County | County | 0.3694% | $1,180 |
| Austin Community College | special | 0.1034% | $330 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $319 |
| Williamson County FM/Rd | County | 0.0443% | $142 |
| Upper Brushy Creek WCID | Water | 0.0170% | $54 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $6,115 | |
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).