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Milwaukee, WI Rental Property Rules: Security Deposit Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Return window
21 days after move-out
Governing rule
Wis. Admin. Code ATCP 134
Local override
Preempted by Act 76
Remedy
Double damages plus fees

Summary

Milwaukee landlords follow Wisconsin's statewide security deposit framework. Wisconsin Act 76 (2018) and ATCP 134 require deposits to be returned within 21 days of move-out with an itemized statement, and Milwaukee cannot impose stricter local rules.

ATCP 134.02 Definitions. (3) "Earnest money deposit" means the total of any payments or deposits, however denominated or described, given by a prospective tenant to a landlord in return for the option of entering into a rental agreement in the future, or for having a rental agreement considered by a landlord. "Earnest money deposit" does not include a fee which a landlord charges for a credit check in compliance with s. ATCP 134.05 (3). (11) "Security deposit" means the total of all payments and deposits given by a tenant to the landlord as security for the performance of the tenant's obligations, and includes all rent payments in excess of 1 month's prepaid rent. ATCP 134.03 Rental agreements and receipts. (1) Copies of rental agreements, rules. Rental agreements and rules and regulations established by the landlord, if in writing, shall be furnished to prospective tenants for their inspection before a rental agreement is entered into, and before any earnest money or security deposit is accepted from the prospective tenant. Copies shall be given to the tenant at the time of agreement. (2) Receipts for tenant payments. (a) Immediately upon accepting any earnest money or security deposit, the landlord shall provide the tenant or prospective tenant with a written receipt for the deposit, stating the nature of the deposit and its amount. A receipt is not required where payment is made by check bearing a notation describing the purpose for which it was given, unless requested by the tenant. (b) If a tenant pays rent in cash, the landlord upon receiving the cash payment shall provide the tenant with a written receipt stating the nature and amount of the payment. A landlord is not required to provide a receipt for rent payments made by check.

Source: Wisconsin Admin Code ATCP 134View official code

Full Breakdown

Wisconsin Administrative Code ATCP 134.06 governs security deposits for residential rentals statewide and requires landlords to return the deposit, less itemized lawful deductions, within 21 days after the tenant surrenders the unit. Wisconsin Act 76 (2018) preempted Milwaukee from imposing stricter timelines, lower caps, or additional disclosure requirements. The city's Tenant Bill of Rights points renters to ATCP 134 and the Wisconsin Department of Agriculture, Trade and Consumer Protection for enforcement. Milwaukee continues to provide rental-rights education through its Department of Neighborhood Services tenant resources page.

Violations & Fines

Failure to return a deposit on time or to provide an itemized list of deductions can expose landlords to double damages, court costs, and reasonable attorney fees under Wis. Stat. §100.20(5).

Frequently Asked Questions

Can Milwaukee require a faster deposit return than 21 days?
No. Wisconsin Act 76 preempts cities from setting stricter deposit timelines. The 21-day statewide rule under ATCP 134 applies inside Milwaukee.
What if the landlord ignores the deadline?
Tenants can sue under Wis. Stat. §100.20(5) for double damages plus court costs and attorney fees, or file a complaint with Wisconsin DATCP for administrative enforcement.

Sources & Official References

Other rules in Milwaukee

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