12102 GREY ROCK LN, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $321,890 and $383,717, with a best estimate of $359,481. 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
$359,481
$396,610
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 $321,890 and $383,717. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$61,581 for 250 sqft less living space. Net adjustment: -$61,581.
Adjusted -$25,125 for 102 sqft less living space. Net adjustment: -$25,125.
Adjusted -$23,401 for 95 sqft less living space and -$9,982 for being older. Net adjustment: -$33,383.
Adjusted -$5,419 for 22 sqft less living space. Net adjustment: -$5,419.
Adjusted -$65,275 for 265 sqft less living space. Net adjustment: -$65,275.
The Neighborhood
This home is valued 2.3% above the R3P5480G - Anderson Mill 12,16 - 20 - Partially in TCAD median of $387,608. With 834 homes in the subdivision, the property sits in the upper tier. 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 +2.3% above the subdivision median.
Tax Analysis
The estimated annual property tax is $8,232 across all districts. With a homestead exemption claimed, that drops to $6,493 — saving $1,739 per year. That's $541 per month a buyer should budget. The assessed value increased +1.6% vs the subdivision average of -7.3%. This above-average increase gives a protest opportunity score of 45 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $3,542 |
| Austin | City | 0.5240% | $2,078 |
| Williamson County | County | 0.3694% | $1,465 |
| Anderson Mill Limited District | special | 0.1243% | $493 |
| Austin Community College | special | 0.1034% | $410 |
| Williamson County FM/Rd | County | 0.0443% | $176 |
| Upper Brushy Creek WCID | Water | 0.0170% | $67 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0756% | $8,232 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $359,481 would pay approximately $2,244 per month (principal and interest only, excluding taxes and insurance).