Updated for 2026

Michigan Security Deposit Laws & Calculator

Michigan landlords must return your security deposit within 30 days of move-out. Deposits are capped at 1.5 months' rent. Critical warning: you must provide your forwarding address within 4 days of moving out or you risk forfeiting your entire deposit claim.

Michigan Security Deposit — Quick Facts

Return Deadline
30 Days
Calendar days from move-out
Maximum Deposit
1.5 Months' Rent
MCL 554.602
Penalty
2× Withheld
For non-compliance
Interest Required
✗ No
No state requirement
Statute
MCL 554.601–554.616
Small Claims Limit
$7,000
District court
⚠ Critical: 4-Day Forwarding Address Rule Michigan law requires you to provide your landlord with your new forwarding address in writing within 4 days of vacating. If you fail to do this, you may lose your right to claim any part of your security deposit — regardless of how much you're owed. Always send this in writing (email or certified mail) the day you move out.

Calculate Your Michigan Deposit Refund

Enter your deposit amount and move-out date to instantly see your landlord's 30-day deadline and any penalties owed.

Michigan Security Deposit Law — Explained

The 4-Day Forwarding Address Requirement

Michigan's Security Deposit Act (MCL 554.601–554.616) contains one of the most consequential procedural requirements of any state: tenants must provide their landlord with a written forwarding address within 4 days of vacating. This is not a suggestion — it is a statutory prerequisite for claiming your deposit. A tenant who fails to meet this deadline can lose their right to recover the deposit entirely, even if the landlord is clearly in the wrong.

Always send your forwarding address on the day you move out, via email (which creates a timestamp) or certified mail. Keep a copy of the notice as evidence.

The 30-Day Return Deadline

Once the tenant has provided a forwarding address, Michigan landlords have 30 calendar days to either return the full security deposit or send a written itemized statement of deductions along with any remaining balance. The itemized statement must be specific — vague line items like "cleaning" without receipts or cost details are insufficient under Michigan courts' interpretation of the Act.

The 1.5-Month Cap

Michigan caps security deposits at 1.5 months' rent under MCL 554.602. A landlord who collects a deposit exceeding this cap has violated the Act and must refund the excess. If you paid more than 1.5 months' rent as a security deposit, the overage is likely recoverable regardless of any other circumstances.

Move-In / Move-Out Checklists

Michigan law requires landlords to provide tenants with a written checklist itemizing the condition of the rental unit at move-in. The tenant must be given the opportunity to review and sign the checklist within 7 days of taking possession. This checklist becomes critical at move-out — deductions can only be made for damage that wasn't noted on the original move-in checklist. If your landlord didn't provide one, this significantly limits their ability to make deductions.

The Double-Damage Penalty

Under MCL 554.613, a landlord who fails to comply with Michigan's security deposit statute — whether by missing the 30-day deadline, failing to itemize deductions, or charging an above-cap deposit — is liable for double the amount wrongfully withheld. Michigan courts apply this penalty strictly to deter noncompliance.

What to Do If Your Michigan Landlord Is Late

  1. 1
    Provide your forwarding address within 4 days of move-out This is the single most important step in Michigan. Send it in writing — email is best for creating a timestamp. Failure to do this can forfeit your deposit claim entirely.
  2. 2
    Document your move-out thoroughly Take timestamped photos and video of every room. Compare against your move-in checklist — deductions can only cover damage not listed at move-in.
  3. 3
    Request your move-in checklist if you don't have one If your landlord never provided a move-in checklist, document this fact — it significantly limits their deduction rights.
  4. 4
    Mark Day 30 on your calendar If no deposit or itemized statement arrives within 30 days of move-out, the deadline has been missed. Begin the demand process immediately.
  5. 5
    Send a formal demand letter Use RenterCalc's demand letter generator to send a letter citing MCL 554.609 and MCL 554.613, demanding the deposit plus double damages within 7 days.
  6. 6
    File in district court (small claims) Michigan's small claims limit is $7,000. You can sue for twice the withheld amount. Filing fees are low and attorneys are not required for small claims.

Michigan Security Deposit FAQ

How long does a landlord have to return a security deposit in Michigan?
Michigan landlords have 30 calendar days after move-out to return the deposit or send a written itemized statement of deductions under MCL 554.609. However, this only applies after the tenant provides a written forwarding address — which must be done within 4 days of vacating.
What is the 4-day forwarding address rule in Michigan?
Michigan law requires tenants to provide their landlord with a written forwarding address within 4 days of vacating. Failure to meet this deadline can result in forfeiture of your right to claim the security deposit, regardless of the amount owed. Always send this on move-out day via email or certified mail.
What is the maximum security deposit in Michigan?
Michigan caps security deposits at 1.5 months' rent under MCL 554.602. If you paid more than this amount, the excess must be returned. A landlord who charges above the cap has already violated the statute.
What is the penalty if my Michigan landlord doesn't return my deposit?
Under MCL 554.613, a landlord who fails to comply with Michigan's security deposit law is liable for double the wrongfully withheld amount. This applies to missing the deadline, inadequate itemization, or charging an above-cap deposit.
What if my Michigan landlord didn't provide a move-in checklist?
Michigan law requires landlords to provide a written move-in checklist within 7 days of the tenant taking possession. If your landlord failed to do this, their ability to make deductions is significantly limited — courts have held that landlords cannot deduct for damage they failed to document at the start of the tenancy.

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