Wisconsin Security Deposit Law: Return Deadline, Limits, and How to Get It Back

In Wisconsin, your landlord must return your security deposit within 21 days after you move out (and the tenancy ends), along with an itemized written statement of any amount kept. Wisconsin does not cap how much a landlord can charge for a deposit, and the state does not require landlords to pay interest on most residential deposits. These rules come largely from Wisconsin's residential rental regulations, often cited as Wis. Admin. Code ch. ATCP 134, together with Wis. Stat. ch. 704. Because rental law changes and some cities or counties add their own protections, confirm the current rule for your situation before you act.

How much can a Wisconsin landlord charge?

Wisconsin has no statewide dollar limit or month-based cap on security deposits, so the amount is set by your lease or rental agreement. What state rules do control is how the money is handled and returned.

• The landlord generally must tell you, before you pay, about any non-standard rental provisions and certain conditions affecting the deposit.
• Anything a landlord can keep at move-out must fall within the categories the rules allow as deductions.
• Funds collected as a "deposit" are still your money until the landlord properly accounts for them.

The 21-day return deadline and itemized statement

This is the rule tenants forget most often: a Wisconsin landlord has 21 days from the date the tenancy ends (and you surrender the premises) to either return your full deposit or mail you an itemized statement describing each deduction and the dollar amount. The statement must be sent to your last-known address or a forwarding address, so leave one in writing.

• If nothing is deducted, you should receive the full amount within the 21 days.
• If money is withheld, the written breakdown must show what each charge is for, not just a lump sum.
• Vague entries like "cleaning" or "damages" without detail may not hold up if you challenge them.

What can and cannot be deducted

Wisconsin law lets a landlord deduct for real costs you are responsible for, but normal wear and tear is not deductible. Wear and tear is the ordinary aging that happens when a place is lived in carefully, faded paint, lightly worn carpet, small nail holes, while damage is something beyond ordinary use.

• Usually deductible: unpaid rent, damage beyond normal wear and tear, unpaid utility or other charges you owe under the lease or the rules, and certain costs the agreement properly assigns to you.
• Generally not deductible: routine repainting, ordinary carpet wear, minor scuffs, and the kind of light cleaning expected between tenants.

Take dated move-in and move-out photos and keep a copy of any check-in checklist. Wisconsin tenants also have a right to request a list of prior damages before paying a deposit, which can protect you from being billed for someone else's harm.

Interest on deposits

Statewide, Wisconsin does not require landlords to pay interest on residential security deposits, and the deposit does not have to sit in a separate account by default. A lease may promise interest, and a local ordinance could add requirements, so read your agreement and check your city's rules.

Penalties for wrongful withholding

Wisconsin treats improper handling of a deposit as a violation of its rental practices rules, and the financial consequences for a landlord can be significant. Under Wis. Stat. § 100.20(5), a tenant who wins can recover double the amount wrongfully withheld plus reasonable attorney's fees and court costs. That double-damages-and-fees provision is the heart of Wisconsin's enforcement and is a strong reason landlords usually settle valid claims.

• Start with a written demand letter stating the amount owed, the 21-day rule, and the double-damages exposure.
• Send it so you can prove delivery, and give a short, firm deadline to pay.

How to sue in small claims court

If the landlord still won't pay, deposit disputes are filed in Wisconsin small claims court, which is part of the circuit court in your county and handles money claims up to $10,000. The process is built for people without lawyers.

• File a small claims complaint in the county where the landlord lives or the property is located, and pay the modest filing fee.
• Bring your lease, photos, the itemized statement (or proof none arrived), your demand letter, and any receipts.
• Because attorney's fees can be recovered, talking to a Wisconsin tenant attorney or local legal aid is often worth it, especially for larger deposits, retaliation, or repeated violations.

This article is general information, not legal advice. Wisconsin landlord-tenant law changes, and cities like Madison or Milwaukee may have additional protections, so confirm the current statute and any local ordinance, or consult a Wisconsin attorney or legal aid office, before relying on these rules.