Wisconsin landlords have 21 days after move-out to return your deposit. Mold and Water Damage Charges charges are often improper deductions in Wisconsin.
Check if Your Deduction is Valid (Free)Law verified March 1, 2026
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Check My DepositMold is typically a landlord's maintenance responsibility in Wisconsin, not the tenant's fault. Under Wis. Stat. §704.28, landlords cannot charge tenants for conditions that result from the landlord's own failure to maintain the property in habitable condition. Landlords cannot charge for mold remediation when the mold stems from building defects, inadequate ventilation systems, roof leaks, or pre-existing conditions. Tenants may be responsible only in narrow circumstances: if they caused water intrusion (such as leaving windows open during rainstorms repeatedly), failed to report a known leak in a timely way, or created persistent excessive humidity conditions — but even then, the landlord must prove the connection. If mold existed at move-in, your landlord cannot retroactively charge you for it.
Landlords must maintain units free from health hazards including mold. If mold existed at move-in (document with photos), or if it resulted from building conditions outside your control, your landlord cannot charge you for its remediation. Report any mold in writing during your tenancy to create a record.
Wisconsin law under Wis. Stat. §704.28 explicitly prohibits deductions for normal wear and tear. Mold and Water Damage Charges charges that reflect ordinary use are not allowed.
Quick Answer
This charge is likely improper in Wisconsin. Landlords generally cannot deduct for this type of item without specific documented damage.
Mold is typically a landlord's maintenance responsibility in Wisconsin, not the tenant's fault. Under Wis. Stat. §704.28, landlords cannot charge tenants for conditions that result from the landlord's own failure to maintain the property in habitable condition. Landlords cannot charge for mold remediation when the mold stems from building defects, inadequate ventilation systems, roof leaks, or pre-existing conditions. Tenants may be responsible only in narrow circumstances: if they caused water intrusion (such as leaving windows open during rainstorms repeatedly), failed to report a known leak in a timely way, or created persistent excessive humidity conditions — but even then, the landlord must prove the connection. If mold existed at move-in, your landlord cannot retroactively charge you for it.
Tip
Landlords must maintain units free from health hazards including mold. If mold existed at move-in (document with photos), or if it resulted from building conditions outside your control, your landlord cannot charge you for its remediation. Report any mold in writing during your tenancy to create a record.
Is your deduction charge legal?
Free analysis · Wisconsin law · 2 minutes
Check My Wisconsin Deposit (Free)Regardless of whether a mold and water damage charges deduction is valid, your Wisconsin landlord must provide a written itemized statement of all deductions within 21 days. Each line item must identify the specific charge and dollar amount. A vague entry like “mold and water damage charges: $X” without further detail is generally insufficient under Wis. Stat. §704.28. If the itemization was missing or untimely, the deduction may be invalid regardless of its merits.
Check the itemization
Did your landlord provide a written itemized statement within 21 days of move-out? If not, the deduction may be automatically invalid under Wis. Stat. §704.28.
Gather your evidence
Compile your move-in and move-out photos, any written notes about the unit's condition, your lease, and any receipts. Timestamped photos are especially powerful.
Run a free analysis
Use our free tool to evaluate your claim. We check your Wisconsin mold and water damage charges dispute against Wis. Stat. §704.28, calculate any penalties, and generate a personalized demand letter.
Send a demand letter
A formal demand letter citing Wis. Stat. §704.28 often resolves disputes before court. Our $19 package generates a personalized letter with your specific situation and the exact statute.
File in small claims if needed
Wisconsin small claims court handles disputes up to $10,000. No attorney required. Most deposit cases are heard within 4-8 weeks.
Legal Reference
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Questions
Your Wisconsin landlord has 21 days after your move-out date to return your security deposit along with an itemized statement of any deductions. This deadline is set by Wis. Stat. §704.28.
If your landlord misses the 21-day deadline, you may be entitled to up to 2× the amount wrongfully withheld under Wis. Stat. §704.28(4). This penalty applies automatically. You don't need to prove intent.
No. Wisconsin law under Wis. Stat. §704.28 explicitly prohibits landlords from deducting for normal wear and tear. This includes faded paint, minor scuffs, small nail holes, and carpet thinning from regular use. Deductions must be for actual damage beyond what normal living causes.
Many mold and water damage charges charges in Wisconsin are improper. Landlords must maintain units free from health hazards including mold. If mold existed at move-in (document with photos), or if it resulted from building conditions outside your control, your landlord cannot charge you for its remediation. Report any mold in writing during your tenancy to create a record.
First, check whether the deduction appeared in a proper itemized statement provided within 21 days of move-out. If it did, evaluate whether the charge reflects actual damage beyond normal wear. If the itemization was late or missing, the deduction may be invalid regardless of its merits under Wis. Stat. §704.28. Use our free analysis tool to check your specific situation.
Free analysis | Wisconsin law | 2 minutes
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