12104 GREY ROCK LN, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $363,860 and $421,735, with a best estimate of $406,292. That places the property above the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608, in a neighborhood that declined 7.3% over the past year.
Estimated Value Range
$406,292
$355,419
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD, this home's estimated market value is between $363,860 and $421,735. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$40,151 for 163 sqft less living space. Net adjustment: -$40,151.
Adjusted +$25,125 for 102 sqft more living space. Net adjustment: +$25,125.
Adjusted +$23,401 for 95 sqft more living space. Net adjustment: +$23,401.
Adjusted +$24,879 for 101 sqft more living space. Net adjustment: +$24,879.
Adjusted -$36,456 for 148 sqft less living space. Net adjustment: -$36,456.
The Neighborhood
This home is valued 8.3% below the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.3% over the past year.
R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD
typicalThis home is -8.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,377 across all districts. With a homestead exemption claimed, that drops to $5,689 — saving $1,688 per year. That's $474 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% | $3,174 |
| Austin | City | 0.5240% | $1,862 |
| Williamson County | County | 0.3694% | $1,313 |
| Anderson Mill Limited District | special | 0.1243% | $442 |
| Austin Community College | special | 0.1034% | $368 |
| Williamson County FM/Rd | County | 0.0443% | $158 |
| Upper Brushy Creek WCID | Water | 0.0170% | $60 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0756% | $7,377 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $406,292 would pay approximately $2,536 per month (principal and interest only, excluding taxes and insurance).