3612 CORNERSTONE ST, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $254,158 and $320,714, with a best estimate of $274,480. 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
$274,480
$300,766
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 $254,158 and $320,714. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$16,057 for 72 sqft less living space. Net adjustment: -$16,057.
Adjusted -$23,640 for 106 sqft less living space and -$3,213 for being older. Net adjustment: -$26,853.
Adjusted +$14,273 for 64 sqft more living space and +$4,820 for being newer. Net adjustment: +$19,093.
Adjusted -$12,712 for 57 sqft less living space and -$3,213 for being older. Net adjustment: -$15,925.
Adjusted -$3,345 for 15 sqft less living space. Net adjustment: -$3,345.
The Neighborhood
This home is valued 1.4% 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 +1.4% above the subdivision median.
Tax Analysis
The estimated annual property tax is $5,757 across all districts. With a homestead exemption claimed, that drops to $4,451 — saving $1,306 per year. That's $371 per month a buyer should budget. The assessed value increased -7.2% vs the subdivision average of -14.6%. This above-average increase gives a protest opportunity score of 37 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,686 |
| Brushy Creek MUD | MUD | 0.3868% | $1,163 |
| Williamson County | County | 0.3694% | $1,111 |
| Austin Community College | special | 0.1034% | $311 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $301 |
| Williamson County FM/Rd | County | 0.0443% | $133 |
| Upper Brushy Creek WCID | Water | 0.0170% | $51 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $5,757 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $274,480 would pay approximately $1,713 per month (principal and interest only, excluding taxes and insurance).