12107 GREY ROCK LN, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $337,584 and $398,309, with a best estimate of $371,267. 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
$371,267
$350,934
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 $337,584 and $398,309. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$25,864 for 105 sqft less living space. Net adjustment: -$25,864.
Adjusted +$9,853 for 40 sqft more living space. Net adjustment: +$9,853.
Adjusted -$8,868 for 36 sqft less living space. Net adjustment: -$8,868.
Adjusted -$7,882 for 32 sqft less living space. Net adjustment: -$7,882.
Adjusted -$55,176 for 224 sqft less living space. Net adjustment: -$55,176.
The Neighborhood
This home is valued 9.5% 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 -9.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,284 across all districts. With a homestead exemption claimed, that drops to $5,601 — saving $1,683 per year. That's $467 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% | $3,134 |
| Austin | City | 0.5240% | $1,839 |
| Williamson County | County | 0.3694% | $1,297 |
| Anderson Mill Limited District | special | 0.1243% | $436 |
| Austin Community College | special | 0.1034% | $363 |
| Williamson County FM/Rd | County | 0.0443% | $156 |
| Upper Brushy Creek WCID | Water | 0.0170% | $60 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0756% | $7,284 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $371,267 would pay approximately $2,317 per month (principal and interest only, excluding taxes and insurance).