12117 GREY ROCK LN, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $317,949 and $378,575, with a best estimate of $344,135. 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
$344,135
$353,105
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 $317,949 and $378,575. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$9,360 for 38 sqft more living space. Net adjustment: +$9,360.
Adjusted -$13,548 for 55 sqft less living space. Net adjustment: -$13,548.
Adjusted +$10,838 for 44 sqft more living space. Net adjustment: +$10,838.
Adjusted -$6,897 for 28 sqft less living space. Net adjustment: -$6,897.
Adjusted -$54,191 for 220 sqft less living space. Net adjustment: -$54,191.
The Neighborhood
This home is valued 8.9% 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 -8.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,329 across all districts. With a homestead exemption claimed, that drops to $5,644 — saving $1,685 per year. That's $470 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% | $3,154 |
| Austin | City | 0.5240% | $1,850 |
| Williamson County | County | 0.3694% | $1,305 |
| Anderson Mill Limited District | special | 0.1243% | $439 |
| Austin Community College | special | 0.1034% | $365 |
| Williamson County FM/Rd | County | 0.0443% | $157 |
| Upper Brushy Creek WCID | Water | 0.0170% | $60 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0756% | $7,329 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $344,135 would pay approximately $2,148 per month (principal and interest only, excluding taxes and insurance).