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Wisconsin security deposit law

Read from the statute itself on 2026-11-09. Statewide rule; a city or county can add its own.

Maximum deposit
No statutory cap
Return deadline
21 days
Interest
Not required by the statute

No cap and no interest requirement. The deposit, less allowed deductions, is due within 21 days; normal wear and tear cannot be deducted.

Source: Wis. Stat. § 704.28(4); ATCP 134.06 · read on 2026-11-09

Calculate it for your rent

No statutory cap
Wisconsin's statute sets no maximum: the amount is whatever the lease says. We show no « maximum » we would have to invent.
Return deadline
21 days
Usually within 21 days after the lease termination date: the deposit, less deductions, with an itemized statement. If the tenant leaves later, the clock starts when the landlord learns of it.
Interest required
No
Not required by the statute
Wisconsin: No cap and no interest requirement. The deposit, less allowed deductions, is due within 21 days; normal wear and tear cannot be deducted.
Source: Wis. Stat. § 704.28(4); ATCP 134.06 · read on 2026-11-09

Wisconsin: common questions

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

Wisconsin's statute sets no maximum. No cap and no interest requirement. The deposit, less allowed deductions, is due within 21 days; normal wear and tear cannot be deducted.

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

21 days. Usually within 21 days after the lease termination date: the deposit, less deductions, with an itemized statement. If the tenant leaves later, the clock starts when the landlord learns of it.

Not legal advice. Confirm with a local landlord-tenant attorney before relying on a figure.

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