Property & Landlord Compliance • Wisconsin (WI)

Wisconsin Security Deposit Limit, Return Deadline & Prorated Deduction Calculator

Verify Wisconsin statutory deposit limits (2x monthly rent benchmark), track your mandatory 21-day itemized return deadline, and calculate court-defensible prorated depreciation.

Wisconsin Security Deposit & Prorated Deduction Inputs
Wisconsin statutory benchmark cap: 2x monthly rent | Return window: 21 days.
Net Deposit Refund Due to Tenant (WI)
$0
Must be mailed within 21 days of move-out in Wisconsin
  • Wisconsin Max Deposit Benchmark (2x Rent): $0
  • Deposit Cap Compliance Check: Compliant
  • Remaining Useful Life Chargeable (%): 0%
  • Court-Defensible Prorated Deduction: $0
  • Wisconsin Statutory Return Window: 21 Calendar Days
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Wisconsin (WI) Regional Benchmarks & Statutory Notes

Wisconsin Benchmark Metric 2026 Value Regional Context (Midwest)
Skilled Trade Labor Cost Multiplier 1.02x National Avg Avg contractor billing rate: ~$86/hr
4,000 PSI Ready-Mix Concrete Benchmark $166 / cubic yard Local frost footing depth: 48 inches
Wisconsin LLC Filing & Annual Report Fee $130 initial / $25/yr Top state income tax benchmark: 5.3%
Residential Security Deposit Statutory Cap & Deadline 2x Rent / 21 Days Strict 21-day deposit return rule and high demand for salt-proof polyaspartic garage floors.

Frequently Asked Questions: Wisconsin Landlord Security Deposit & Deduction Calculator

What is the maximum security deposit a landlord can charge in Wisconsin?

In Wisconsin (WI), the standard residential security deposit benchmark cap is 2 month(s) of rent (some municipalities or unfurnished/furnished units may have specific rules; always verify local county/city ordinances).

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

Landlords in Wisconsin have a strict 21-day statutory window after lease termination and key surrender to return the security deposit and/or mail a written itemized statement of deductions.

How do you calculate prorated carpet or paint depreciation for security deposit deductions?

Courts disallow charging a tenant 100% of replacement cost for an aged item. Multiply the replacement cost by ((Useful Life − Current Age) ÷ Useful Life). For example, if 5-year-useful-life carpet is damaged beyond repair at year 3 on a $1,000 replacement, the maximum chargeable deduction is 40% ($400).

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