12101 GREY ROCK LN, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $270,027 and $368,504, with a best estimate of $357,398. That places the property below 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
$357,398
$383,085
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 $270,027 and $368,504. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$38,673 for 157 sqft less living space. Net adjustment: -$38,673.
Adjusted -$124,885 for 507 sqft less living space. Net adjustment: -$124,885.
Adjusted -$19,952 for 81 sqft less living space. Net adjustment: -$19,952.
Adjusted -$72,419 for 294 sqft less living space. Net adjustment: -$72,419.
Adjusted -$81,286 for 330 sqft less living space. Net adjustment: -$81,286.
The Neighborhood
This home is valued 1.2% 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 -1.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,951 across all districts. With a homestead exemption claimed, that drops to $6,229 — saving $1,722 per year. That's $519 per month a buyer should budget. The assessed value increased +0.3% vs the subdivision average of -7.3%. This above-average increase gives a protest opportunity score of 38 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $3,421 |
| Austin | City | 0.5240% | $2,007 |
| Williamson County | County | 0.3694% | $1,415 |
| Anderson Mill Limited District | special | 0.1243% | $476 |
| Austin Community College | special | 0.1034% | $396 |
| Williamson County FM/Rd | County | 0.0443% | $170 |
| Upper Brushy Creek WCID | Water | 0.0170% | $65 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0756% | $7,951 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $357,398 would pay approximately $2,231 per month (principal and interest only, excluding taxes and insurance).