Wisconsin Rent Late Fee Laws for Landlords (2026)

Key answer: No statutory cap.

RuleDetail
Fee capNo statutory cap
Grace periodNone
Must be in lease?Required — only if the written rental agreement provides for it (ATCP 134.09(8)(a))
SourceWis. Admin. Code ATCP 134.09(8)

Example

With monthly rent $1500, there is no statutory maximum. A landlord cannot charge a late fee at all unless the written rental agreement provides for it, and cannot charge a fee on an unpaid late fee (ATCP 134.09(8)(c)).

Common mistakes

Frequently asked questions

What is the maximum late fee a landlord can charge in Wisconsin?
No statutory cap.

When can a landlord charge a late fee in Wisconsin?
In Wisconsin, a fee can be charged as soon as rent is late, if the lease allows it.

Does the late fee have to be in the lease in Wisconsin?
Required — only if the written rental agreement provides for it (ATCP 134.09(8)(a)).

Can a landlord charge a daily late fee in Wisconsin?
Only if the written rental agreement provides for it — and no fee may be charged on an unpaid late fee.

What happens if a landlord charges an excessive late fee in Wisconsin?
A fee charged without a rental-agreement provision, or a fee charged on an unpaid late fee, violates ATCP 134.09(8) and may be unenforceable.

Rent increase rules

We have not confirmed a statewide rent-increase cap for Wisconsin. Notice requirements depend on the lease type (month-to-month vs. fixed term) — check your lease and local rules.

Sources

State guides: Alabama · Alaska · Arizona · Arkansas · California · Colorado · Connecticut · Delaware · Florida · Georgia · Hawaii · Idaho · Illinois · Indiana · Iowa · Kansas · Kentucky · Louisiana · Maine · Maryland · Massachusetts · Michigan · Minnesota · Mississippi · Missouri · Montana · Nebraska · Nevada · New Hampshire · New Jersey · New Mexico · New York · North Carolina · North Dakota · Ohio · Oklahoma · Oregon · Pennsylvania · Rhode Island · South Carolina · South Dakota · Tennessee · Texas · Utah · Vermont · Virginia · Washington · West Virginia · Wisconsin · Wyoming · Washington D.C.

Not legal advice. Verify against your lease and local rules.

Calculate your Wisconsin late fee
Educational tool - not legal advice. Verify against official statutes and your lease.
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