✓ Law Verified June 2026
This guide explains wisconsin security deposit law in plain English — how much your landlord can charge, when they must return it, what they can and cannot deduct, and what to do if they do not give it back. All figures are from Wisconsin law, verified as of June 2026.
In This Wisconsin Guide:
Wisconsin Security Deposit Rules at a Glance
| Maximum deposit | No state limit. Wisconsin does not cap the amount a landlord may charge for a security deposit. The one exception is mobile home lots, where the maximum is the lesser of 2 months’ rent or 750. Note that Wisconsin defines “security deposit” broadly to include all payments and deposits given as security, including pet deposits, key deposits, and any rent prepayment beyond one month. |
| Return deadline | 21 |
| Itemized deductions required | YES. Under Wis. Admin. Code ATCP 134.06(4), if the landlord withholds any portion of the deposit, the landlord must provide the tenant a written itemized statement listing each deduction and its amount within the same 21-day return period. Failure to provide this statement may entitle the tenant to recover the full deposit. |
| Interest on deposit required | NO. Wisconsin state law does not require landlords to pay interest on security deposits. A 2011 state law also preempts local municipalities from requiring interest on deposits. However, if your lease specifically includes an interest provision, that contractual term may apply. |
| Penalty for late/bad-faith return | If a Wisconsin landlord fails to return the deposit or provide an itemized statement within 21 days, or wrongfully withholds any portion of the deposit, the tenant may sue under Wis. Stat. 100.20(5) and may recover up to double the amount wrongfully withheld, plus court costs and reasonable attorney fees if the court awards them. |
Move-in/move-out walkthrough: Wisconsin does not require a formal move-out walkthrough inspection. However, under ATCP 134.06(1)(a), when a landlord collects a security deposit the landlord must give the tenant written notice of the right to inspect the unit and document preexisting damages using a check-in sheet. The tenant then has at least 7 days from the start of the tenancy to complete the inspection and return the check-in sheet.
This move-in check-in sheet becomes key evidence if a deposit dispute arises later. While no formal move-out walk-through is legally required, completing one is strongly recommended to document the unit’s condition at departure.
Separate deposit account: NO specific requirement. Wisconsin does not require landlords to hold the security deposit in a separate or escrow account, nor does it mandate a particular type of bank account. The landlord is not required to give the tenant a receipt or notify the tenant where the deposit is held.
What Your Landlord Can and Cannot Deduct in Wisconsin
Under Wis. Stat. 704.28 and ATCP 134.06(2), a Wisconsin landlord may deduct for: (1) unpaid rent, (2) damage to the property beyond normal wear and tear caused by the tenant or the tenant’s guests, (3) unpaid utility bills that the tenant was responsible for under the lease, and (4) other costs arising from the tenant’s breach of the lease agreement.
The landlord may NOT deduct for normal wear and tear under any circumstances, even if the lease says otherwise.
Normal wear and tear vs damage: Wisconsin defines normal wear and tear as deterioration that results from using the rental property as it was intended to be used, without negligence, carelessness, accident, misuse, or abuse by the tenant. Examples of normal wear and tear include faded or slightly worn paint, minor scuffs on walls, small nail holes from hanging lightweight pictures, and gradual carpet wear from foot traffic.
Examples of damage beyond normal wear include large holes in walls, broken appliances, burns, stains from negligence, and pet damage.
How to Get Your Deposit Back in Wisconsin
If you believe your Wisconsin landlord wrongfully withheld part or all of your security deposit, you may: (1) Send a written demand letter to the landlord requesting the return of the deposit and documenting the amount you believe is owed. (2) File a complaint with the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP), which enforces ATCP 134.
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(3) File a claim in Wisconsin small claims court (claims up to 10000). Under Wis. Stat. 100.20(5), many tenants can recover up to double the amount wrongfully withheld, plus court costs and reasonable attorney fees. You should keep copies of your lease, check-in sheet, photos, and any correspondence with the landlord as evidence.
Other Wisconsin deposit rules: (1) Wisconsin’s security deposit protections are enforced primarily by the Department of Agriculture, Trade and Consumer Protection (DATCP) under ATCP 134, not the Attorney General’s office. (2) The check-in sheet rule is critical: the landlord must notify the tenant in writing before accepting a deposit that the tenant has the right to inspect and document preexisting conditions within at least 7 days.
If the landlord fails to provide this notice, the landlord may not withhold from the deposit for property damage. (3) Wisconsin law broadly defines “security deposit” to include ALL payments given as security — pet deposits, key deposits, cleaning deposits, and last month’s rent beyond one month’s prepaid rent are all part of the security deposit and subject to these rules.
(4) Nonstandard rental provisions (such as allowing the landlord to dispose of abandoned property or charge for damage not covered by the deposit) must be disclosed in a separate written document before the lease is signed. (5) If the tenant moves out before the lease ends, the 21-day return clock starts on either the last day of the lease or the date a new tenant moves in, whichever comes first.
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Official Wisconsin Sources & Resources
- Wisconsin Attorney General: https://datcp.wi.gov/Pages/Publications/LT-TenantsRights143.aspx
- Wisconsin Security Deposit Statute: https://docs.legis.wisconsin.gov/document/statutes/704.28
- U.S. Department of Housing and Urban Development: hud.gov
- Cornell Legal Information Institute: law.cornell.edu/wex
Understanding Wisconsin Security Deposit Law
Your Wisconsin security deposit is your money until the landlord proves a lawful deduction. Wisconsin security deposit law sets clear limits on how much can be charged, what can be deducted, and when the balance must be returned. If your landlord misses the Wisconsin security deposit return deadline or takes deductions that are not allowed, you may be entitled to penalties.
Document the condition of your unit at move-in and move-out — photos are the best protection for your Wisconsin security deposit.
This Wisconsin security deposit guide was last verified against official sources in June 2026. Laws change — verify with your state or a local legal-aid office.
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Disclaimer: This guide is informational only and is not legal advice. Landlord-tenant laws change and vary by city and county within a state. Verify current rules with your state, your local court, or a free legal-aid office before acting. If you are facing eviction, contact a local tenant attorney or legal-aid organization right away.