9815 COPPER CREEK DR, AUSTIN, TX 78729
AUSTIN, 78729 — williamson County
Property at a Glance
This home is estimated between $71,682,438 and $73,895,611, with a best estimate of $73,744,698.
Estimated Value Range
$73,744,698
$91,627,222
Based on 5 comparable properties(0 in the same subdivision)
There are 5 comparable properties within range, but none are in R45QA - Apartment Complex-Lakeline Area. The estimated range of $71,682,438 and $73,895,611 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$67,461,210 for 279,395 sqft more living space. Net adjustment: +$67,461,210.
Adjusted +$73,599,228 for 304,816 sqft more living space and -$101 for being older and -$60,193 for no garage. Net adjustment: +$73,538,934.
Adjusted +$73,628,927 for 304,939 sqft more living space and -$101 for being older and -$60,193 for no garage. Net adjustment: +$73,568,633.
Adjusted +$73,371,053 for 303,871 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$73,310,557.
Adjusted +$73,411,135 for 304,037 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$73,350,639.
The Neighborhood
Subdivision comparison data is not available for this property.
Tax Analysis
The estimated annual property tax is $1,993,472 across all districts. With a homestead exemption claimed, that drops to $1,879,268 — saving $114,204 per year. That's $156,606 per month a buyer should budget. The assessed value increased +13.8%. This increase gives a protest opportunity score of 85 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $818,323 |
| Austin | City | 0.5240% | $480,142 |
| Williamson County | County | 0.3694% | $338,514 |
| Anderson Mill Limited District | special | 0.1243% | $113,929 |
| Austin Community College | special | 0.1034% | $94,743 |
| Williamson County ESD #1 - Jollyville VFD | ESD | 0.1000% | $91,627 |
| Williamson County FM/Rd | County | 0.0443% | $40,617 |
| Upper Brushy Creek WCID | Water | 0.0170% | $15,577 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.1756% | $1,993,472 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $73,744,698 would pay approximately $460,312 per month (principal and interest only, excluding taxes and insurance).