The Wisconsin notices at a glance
The tenant has not paid rent
5-day notice to pay or vacate, 14-day notice to vacate, or 30 days for long leases
Source: Wis. Stat. 704.17(1g), (1p)(a), (2)(a), (3)(a) and (4).
The tenant broke another term of the lease
5-day notice to remedy or vacate, 14 days for a repeat, or 30 days for long leases
Source: Wis. Stat. 704.17(1p)(b), (2)(b) and (3)(a).
Criminal activity that threatens others, or drug-related activity
5-day notice to vacate, with no chance to remedy
Source: Wis. Stat. 704.17(3m).
Ending a month-to-month tenancy
Written notice of at least 28 days, ending at a rental period
Source: Wis. Stat. 704.19.
Why the notice matters
Wisconsin's periods depend on the tenancy: month-to-month, a lease of a year or less, or a longer lease. The same unpaid rent can call for 5, 14 or 30 days, which is why the notice starts from the kind of tenancy.
The Wisconsin notice for unpaid rent is available here.
Prepare the Wisconsin noticeMore for Wisconsin landlords: Wisconsin Security Deposit Deadline Calculator · See the Wisconsin documents