8401 FATHOM CIR, AUSTIN, TX 78750
AUSTIN, 78750 — williamson County
Property at a Glance
This home is estimated between $359,067 and $520,202, with a best estimate of $391,700. That places the property below the R371X - Round Rock West Below 45 - Duplex median of $419,343, in a neighborhood that declined 8.8% over the past year.
Estimated Value Range
$391,700
$342,012
Based on 5 comparable properties(4 in the same subdivision)
Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $359,067 and $520,202. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
This comparable closely matches the subject property's features.
Adjusted +$86,179 for 409 sqft more living space and -$4,133 for being older. Net adjustment: +$82,046.
Adjusted -$84,072 for 399 sqft less living space and -$8,267 for being older. Net adjustment: -$92,339.
Adjusted -$34,345 for 163 sqft less living space and -$8,267 for being older. Net adjustment: -$42,612.
Adjusted -$16,224 for 77 sqft less living space and -$20,666 for being older. Net adjustment: -$36,890.
The Neighborhood
This home is valued 18.4% below the R371X - Round Rock West Below 45 - Duplex median of $419,343. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.8% over the past year.
R371X - Round Rock West Below 45 - Duplex
below averageThis home is -18.4% below the subdivision median.
Tax Analysis
The estimated annual property tax is $6,674 across all districts. With a homestead exemption claimed, that drops to $5,002 — saving $1,672 per year. That's $417 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% | $3,055 |
| Austin | City | 0.5240% | $1,792 |
| Williamson County | County | 0.3694% | $1,264 |
| Austin Community College | special | 0.1034% | $354 |
| Williamson County FM/Rd | County | 0.0443% | $152 |
| Upper Brushy Creek WCID | Water | 0.0170% | $58 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9513% | $6,674 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $391,700 would pay approximately $2,445 per month (principal and interest only, excluding taxes and insurance).