Free Wisconsin Pet Addendum Template

Last reviewed September 2026

Written by LawLease Editorial

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Wisconsin Pet Addendum

This Pet Addendum is built with Wisconsin as the governing state. These are the Wisconsin landlord-tenant rules that most often bear on it, with the statute for each.

Wisconsin rules at a glance

Wisconsin rules for a Pet Addendum
Security deposit limit	No statutory cap
Deposit return	21 days, generally counted from the end of the rental agreement, with an itemized statementWis. Stat. §704.28(4)

Security deposits in Wisconsin

Wisconsin places no cap on a security deposit. The rules on how it is documented, what can be withheld, and when it comes back are split between Wis. Stat. §704.28 and ATCP 134.06 — and a lease drafted from the statute alone will miss half of them.

Check-in — Before accepting a deposit, the landlord must tell the tenant in writing that they may inspect the unit and report pre-existing damage within at least 7 days after the tenancy starts, and may request the list of damages charged to the previous tenant’s deposit (ATCP 134.06(1)).
What can be withheld — Tenant damage, waste, or neglect beyond normal wear and tear; unpaid rent; unpaid utilities or municipal permit fees the landlord is liable for; and any other charge only if it appears in a separately signed “Nonstandard Rental Provisions” document (Wis. Stat. §704.28(1)–(2); ATCP 134.06(3)).
Return deadline — Within 21 days the landlord must deliver or mail the deposit, less lawful withholdings, with a written statement describing each item withheld. The clock starts on the lease’s termination date if the tenant leaves on time; if the tenant leaves early or is evicted, it starts on the termination date or, if the unit is re-rented sooner, the day the new tenancy begins (Wis. Stat. §704.28(4); ATCP 134.06(2), (4)).
Penalty — Wrongful withholding violates ATCP 134, and the tenant can sue for twice the amount wrongfully withheld plus costs and reasonable attorney’s fees (Wis. Stat. §100.20(5)).

Wisconsin Pet Addendum FAQs

How much can a landlord charge for a security deposit in Wisconsin?

Wisconsin sets no maximum deposit. What it regulates is the check-in process, the categories that can be withheld, and the 21-day return deadline (Wis. Stat. §704.28; ATCP 134.06).

How long does a landlord have to return a security deposit in Wisconsin?

21 days, with an itemized statement of anything withheld. If the tenant leaves when the lease ends, the 21 days run from the termination date; if the tenant leaves early, they run from the termination date or from the start of a new tenant’s lease if the unit is re-rented sooner (Wis. Stat. §704.28(4)). Wrongful withholding can cost double the amount withheld plus attorney’s fees (Wis. Stat. §100.20(5)).

Pet Addendum in other states

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