12103 GREY ROCK LN, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $308,699 and $421,758, with a best estimate of $407,176. 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
$407,176
$346,452
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 $308,699 and $421,758. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$18,720 for 76 sqft more living space. Net adjustment: +$18,720.
Adjusted +$38,673 for 157 sqft more living space. Net adjustment: +$38,673.
Adjusted +$8,868 for 36 sqft more living space. Net adjustment: +$8,868.
Adjusted -$86,213 for 350 sqft less living space. Net adjustment: -$86,213.
Adjusted +$18,967 for 77 sqft more living space. Net adjustment: +$18,967.
The Neighborhood
This home is valued 10.6% 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 -10.6% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,191 across all districts. With a homestead exemption claimed, that drops to $5,514 — saving $1,677 per year. That's $460 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% | $3,094 |
| Austin | City | 0.5240% | $1,815 |
| Williamson County | County | 0.3694% | $1,280 |
| Anderson Mill Limited District | special | 0.1243% | $431 |
| Austin Community College | special | 0.1034% | $358 |
| Williamson County FM/Rd | County | 0.0443% | $154 |
| Upper Brushy Creek WCID | Water | 0.0170% | $59 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0756% | $7,191 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $407,176 would pay approximately $2,542 per month (principal and interest only, excluding taxes and insurance).