A property manager in Detroit collects two months' rent as a security deposit from a new tenant. The amount feels reasonable for the unit. But under Michigan security deposit law, it is illegal. Under MCL 554.602, confirmed directly from the Michigan Legislature, a landlord may not require a security deposit exceeding 1.5 months' rent. Collecting more than the statutory maximum violates MCL 554.602 and places the landlord in non-compliance with the Landlord and Tenant Relationships Act.

Michigan security deposit laws are governed by Act 348 of 1972, codified at MCL 554.601 through 554.616. Unlike Ohio, which imposes no cap, Michigan draws a hard ceiling at one and a half months' rent. Unlike many states, Michigan also imposes a mandatory inventory checklist requirement at move-in, a specific tenant response procedure for disputing deductions, and a landlord lawsuit deadline that - if missed - can result in the landlord owing the tenant double the amount of the security deposit retained.

This guide covers every material provision of Michigan's Landlord and Tenant Relationships Act governing Michigan landlord security deposit obligations - from the initial collection requirements through the 30-day return obligation and the cascading penalties that follow non-compliance.

Quick Reference: Michigan Security Deposit Law at a Glance

The Statutory Framework: MCL 554.601-554.616

Michigan's Michigan landlord-tenant law on security deposits is contained entirely in the Landlord and Tenant Relationships Act, Act 348 of 1972, codified at MCL 554.601 through 554.616. The Act governs:

• The amount that can be collected (MCL 554.602)

• Landlord notice obligations at move-in (MCL 554.603)

• Where the deposit must be held (MCL 554.604)

• Permissible uses of the deposit (MCL 554.607)

• The inventory checklist requirement (MCL 554.608)

• The 30-day return and itemized notice obligation (MCL 554.609)

• Consequences of missing the 30-day deadline (MCL 554.610)

• The tenant's forwarding address requirement (MCL 554.611)

• The tenant's 7-day response right (MCL 554.612)

• The landlord's 45-day lawsuit requirement and double-damage penalty (MCL 554.613)

MCL 554.616 also clarifies that the remedies provided by the Act do not eliminate other legal remedies that may otherwise be available to either party.

Under MCL 554.606, the requirements of the Act cannot be waived by either party to a rental agreement. No lease clause can override the statutory framework.

Must Read: Ohio Security Deposit Laws: No Cap, 30-Day Return Rule, Interest Requirements, and the Double Damage Penalty

The 1.5-Month Cap: MCL 554.602

MCL 554.602 states:

"A landlord may require a security deposit for each rental unit. A security deposit shall be required and maintained in accordance with the terms of this act and shall not exceed 1 1/2 months' rent."

The statutory maximum is 1.5 months' rent. A landlord who charges two months' rent, even with the tenant's written agreement, violates the statute.

Pet deposits and refundable fees: Michigan landlords may require a refundable pet deposit, but because MCL 554.601 broadly defines a security deposit as money held to secure the tenant's obligations under the lease, refundable pet deposits are generally treated as part of the total security deposit and count toward the 1.5-month statutory limit. Under the Federal Fair Housing Act and Michigan's Persons with Disabilities Civil Rights Act, fees or deposits cannot be charged for service animals or assistance animals where prohibited by applicable fair housing laws.

No interest requirement: Unlike Illinois, Michigan does not require landlords to pay interest on security deposits. The deposit is held and returned with permissible deductions at the end of the tenancy with no interest accrual obligation.

For property management portfolios tracking deposit amounts across Michigan units with varied rent levels, RIOO's property accounting module supports per-unit deposit tracking to ensure every unit stays within the MCL 554.602 cap.

Storage Requirement: MCL 554.604

Unlike Ohio, which imposes no storage requirement, Michigan requires landlords to store security deposits in one of two specific ways under MCL 554.604:

Option 1: Regulated financial institution. The landlord must deposit the security deposit with a regulated financial institution in accordance with MCL 554.604. Under MCL 554.605, the security deposit is considered the lawful property of the tenant until the landlord establishes a legal right to apply it as permitted by law.

Option 2: Cash or surety bond. The landlord may use a cash or surety bond as permitted under MCL 554.604. If the bond option is used, the landlord may use the deposit funds for other purposes during the tenancy - but the bond guarantees the tenant's right to recover the deposit at the end of the tenancy.

The name and address of the financial institution or surety must be disclosed to the tenant within 14 days of the tenant taking possession - addressed in the next section.

The 14-Day Landlord Notice Requirement: MCL 554.603

A landlord who requires a security deposit must provide the tenant with the following written notice no later than 14 days after the tenant takes possession:

1. The address to which the landlord can be reached for notices under the Act

2. The name and address of the financial institution or surety bond holder where the deposit is held

3. The tenant's obligation to provide a forwarding address within 4 days of moving out

The notice must include the following statement in 12-point boldface type, at least 4 points larger than the surrounding text:

"You must notify your landlord in writing within 4 days after you move of a forwarding address where you can be reached and where you will receive mail; otherwise your landlord shall be relieved of sending you an itemized list of damages and the penalties adherent to that failure."

The consequence of failing to give the MCL 554.603 notice: If the landlord fails to provide this required notice, the tenant's obligation to provide a forwarding address is relieved. A landlord who does not give the MCL 554.603 notice cannot later rely on the tenant's failure to provide a forwarding address as a defense to withholding the deposit.

Property managers onboarding new tenants across Michigan portfolios should build this 14-day notice into the lease signing process as a standard procedure. RIOO's leasing management workflows support the documentation of lease execution and required disclosures to ensure every tenancy begins with the required statutory notices.

The 7-Day Move-In Inventory Requirement: MCL 554.608

The move-in inventory checklist requirement is one of the most procedurally specific elements of Michigan security deposit return compliance. Under MCL 554.608:

"(1) The landlord shall make use of inventory checklists both at the commencement and termination of occupancy for each rental unit which detail the condition of the rental unit for which a security deposit is required."

"(2) At the commencement of the lease, the landlord shall furnish the tenant 2 blank copies of a commencement inventory checklist..."

"(3) Unless the landlord and tenant agree to complete their inventory checklist within a shorter period, the tenant shall review the checklist, note the condition of the property and return 1 copy of the checklist to the landlord within 7 days after receiving possession of the premises."

What the move-in inventory process looks like in practice:

1. At the start of the tenancy, the landlord provides the tenant with two blank copies of the commencement inventory checklist

2. The statute identifies items that the checklist is to cover, including carpeting, draperies, appliances, windows, furniture, walls, closets, shelves, paint, doors, plumbing fixtures, and electrical fixtures

3. The checklist must contain in 12-point boldface type at the top of the first page: "You should complete this checklist, noting the condition of the rental property, and return it to the landlord within 7 days after obtaining possession of the rental unit. You are also entitled to request and receive a copy of the last termination inventory checklist which shows what claims were chargeable to the last prior tenants."

4. The tenant reviews the checklist, notes the condition of the property, and returns one copy to the landlord within 7 days

5. The tenant retains one copy

Why the move-in inventory matters for deduction disputes:
Under MCL 554.609, the notice of damages sent at the end of the tenancy "shall not include any damages that were claimed on a previous termination inventory checklist prior to the tenant's occupancy of the rental unit." The commencement inventory checklist is the baseline for what existed before the tenant moved in - protecting both the tenant from being charged for pre-existing damage and the landlord from disputes about the unit's condition at move-in.

The termination inventory checklist (MCL 554.608(5)):
At the end of the tenancy, the landlord must also complete a termination inventory checklist listing all damages claimed to have been caused by the tenant. This document forms the basis for the itemized damages notice that must be sent within 30 days.

RIOO's move-in and move-out workflows support the documentation of unit condition at both move-in and move-out, providing the timestamped inspection records that MCL 554.608 requires.

Permissible Deductions: MCL 554.607

Under MCL 554.607, security deposit funds may only be used for:

1. Actual damages to the rental unit or ancillary facility that are the direct result of conduct not reasonably expected in the normal course of habitation of a dwelling

2. Rent in arrears under the rental agreement

3. Rent due for premature termination of the rental agreement by the tenant

4. Utility bills not paid by the tenant

Normal wear and tear is not deductible. Michigan law distinguishes between ordinary deterioration from normal use and actual damage caused by the tenant. Routine cleaning resulting solely from ordinary use is generally not considered tenant-caused damage under MCL 554.607 - a principle confirmed by the Michigan Court of Appeals in Smolen v Dahlmann Apts, Ltd (1983). Cleaning charges are more likely to be appropriate where the condition of the unit goes beyond ordinary wear and tear.

Documentation matters. Property managers should retain photographs, inspection reports, invoices, receipts, and contractor estimates supporting every deduction. Although the Act does not prescribe a specific form of documentation, maintaining contemporaneous records significantly strengthens the landlord's position if deductions are challenged.

Also Read: Georgia Security Deposit Law: Inspection Requirements, Return Rules, and the Penalties Landlords Rarely Expect

The Forwarding Address Requirement: MCL 554.611

Under MCL 554.611, the tenant must notify the landlord in writing within 4 days after termination of occupancy of an address at which communications may be received.

If the tenant fails to provide a forwarding address: MCL 554.611 relieves the landlord of the requirement of notice of damages. Although the landlord is relieved of the statutory obligation to mail the itemized notice, the tenant does not lose the right to later bring a claim for the security deposit.

If the landlord failed to give the MCL 554.603 notice: A tenant cannot be held to the 4-day forwarding address requirement if the landlord never gave the required 14-day notice in the first place. The obligations are linked.

The 30-Day Return Rule: MCL 554.609

Within 30 days after the termination of occupancy, the landlord must mail to the tenant's forwarding address, if applicable:

1. An itemized list of all damages claimed - including the estimated cost of repair for each item and the amounts the landlord intends to assess

2. A check or money order for the difference between the security deposit held and the damages claimed

MCL 554.609 requires the notice to include the following statement in 12-point boldface type, at least 4 points larger than the body of the notice:

"You must respond to this notice by mail within 7 days after receipt of same, otherwise you will forfeit the amount claimed for damages."

What happens when the 30-day deadline is missed: Under MCL 554.610, failure to comply constitutes agreement by the landlord that no damages are due. The landlord must immediately return the full security deposit. The landlord forfeits the right to claim damages under the statutory process and must return the full deposit regardless of how legitimate the underlying deductions were.

Also Read: Illinois Security Deposit Law: Interest Rules, Timelines, and Penalties

The Tenant's 7-Day Response Right: MCL 554.612

After receiving the landlord's itemized notice of damages, the tenant has 7 days after receipt (not 7 days after mailing) to respond by mail disputing any claimed damages.

If the tenant does not respond within 7 days: The tenant forfeits the right to dispute the amounts claimed, and the landlord may retain the claimed portion of the deposit.

If the tenant responds disputing the claims: The landlord must pursue the disputed claim through the procedure established in MCL 554.613.

The 45-Day Lawsuit Requirement and Double Damages: MCL 554.613

The lawsuit requirement applies only when the tenant has timely disputed the claimed damages under MCL 554.612. In that case, the landlord must file a lawsuit within 45 days of the termination of occupancy to retain any disputed portion of the security deposit.

MCL 554.613(2) states: "Failure of the landlord to comply fully with this section constitutes waiver of all claimed damages and makes him liable to the tenant for double the amount of the security deposit retained."

What this means precisely:
The penalty is double the amount of the security deposit that the landlord retained - not automatically double the full deposit collected. This interpretation is consistent with the Michigan Court of Appeals' decision in Tree City Properties LLC v. Perkey (2019), where a landlord who wrongfully retained $1,390 was required to pay the $1,390 back plus an additional $1,390 penalty - double the retained amount.

The cascading procedural chain:
Michigan's Michigan rental security deposit framework creates a precise procedural sequence. Missing one of these statutory requirements can result in the loss of important rights or expose the landlord to significant liability:

• Landlord misses 30-day notice → landlord forfeits the right to claim damages under the statutory process and must return the full deposit immediately (MCL 554.610)

• Tenant doesn't respond in 7 days → forfeits right to dispute (MCL 554.612)

• Landlord doesn't sue within 45 days when tenant timely disputes → waives claimed damages and owes double the amount retained (MCL 554.613)

Common Michigan Security Deposit Compliance Failures

1. Collecting more than 1.5 months' rent.
The statutory maximum is 1.5 months' rent under MCL 554.602. Any deposit above this amount violates the statute regardless of lease terms or tenant agreement.

2. Failing to give the MCL 554.603 notice within 14 days of tenant taking possession.
Missing this notice eliminates the landlord's ability to rely on the tenant's failure to provide a forwarding address as a defense.

3. Failing to provide inventory checklists at move-in.
Without a completed move-in checklist, the landlord has no documented baseline from which to prove that damage was caused by the current tenant rather than pre-existing.

4. Omitting the required bold notice language from the MCL 554.609 notice.
The itemized damages notice must include the 7-day response warning in 12-point boldface type at least 4 points larger than the body text.

5. Missing the 30-day return deadline.
Under MCL 554.610, missing this deadline constitutes agreement that no damages are due and requires immediate return of the full deposit.

6. Deducting for normal wear and tear or routine cleaning.
Michigan law specifically limits deductions to actual damages under MCL 554.607. Routine cleaning from ordinary use is generally not deductible.

7. Failing to file a lawsuit within 45 days when a tenant timely disputes.
Under MCL 554.613, if the tenant responds disputing claimed damages, the landlord must file within 45 days of termination of occupancy or face waiver of all claimed damages plus double-damage liability on the amount retained.

8. Failing to comply with one of the two statutory methods under MCL 554.604.
Michigan requires either a regulated financial institution or a cash or surety bond as permitted under MCL 554.604.

Frequently Asked Questions

1. What is the maximum security deposit in Michigan?
The statutory maximum is 1.5 months' rent under MCL 554.602. No lease term, agreement, or local ordinance can increase this cap.

2. Does Michigan require security deposits to be held in a separate account?
Unless the landlord elects the statutory cash or surety bond alternative authorized by MCL 554.604, the security deposit must be deposited with a regulated financial institution.

3. What is the 7-day inventory requirement in Michigan?
Under MCL 554.608, landlords must provide tenants with two blank copies of a commencement inventory checklist at move-in. The tenant has 7 days after receiving possession to complete and return one copy to the landlord.

4. When must a Michigan landlord return the security deposit?
Under MCL 554.609, within 30 days after termination of occupancy, the landlord must mail the remaining deposit balance and an itemized damages notice. Missing this deadline requires immediate return of the full deposit under MCL 554.610.

5. What happens if a Michigan landlord misses the 30-day deadline?
Under MCL 554.610, the landlord is deemed to have agreed that no damages are due and must remit the full security deposit to the tenant immediately.

6. What is the double damage penalty in Michigan?
Under MCL 554.613, if a landlord fails to timely file suit after the tenant properly disputes the claimed damages, the landlord waives the claimed damages and becomes liable for double the amount of the security deposit retained - consistent with Tree City Properties LLC v. Perkey (2019).

7. Does Michigan require interest on security deposits?
No. Michigan does not require landlords to pay interest on security deposits held during the tenancy.

8. How long does a tenant have to dispute security deposit deductions in Michigan?
Under MCL 554.612, 7 days after receiving the landlord's itemized notice. The 7-day period runs from actual receipt of the notice, not from the date of mailing.

Conclusion

Michigan security deposit law under MCL 554.601-554.616 creates a framework that is procedurally demanding at every stage - from the initial collection to the final deposit return. The 1.5-month cap, the 14-day notice requirement, the 7-day move-in inventory obligation, the statutory deposit handling requirements, the 30-day return deadline, the specific notice language requirements, the tenant's 7-day response right, and the landlord's 45-day lawsuit obligation all operate as a connected chain. Missing one of these statutory requirements can result in the loss of important rights or expose the landlord to significant liability.

For Michigan property managers handling multiple residential units, the compliance risk at each stage multiplies with portfolio size. Building the MCL 554.603 notice, the MCL 554.608 inventory checklist, and the MCL 554.609 return deadline into standardized workflows is the only reliable way to maintain compliance across a portfolio.

RIOO supports Michigan property management operations through property accounting, move-in and move-out workflows, lease management, and contracts and renewals - helping management teams maintain the deposit records, unit condition documentation, and deadline tracking that Michigan's Landlord and Tenant Relationships Act requires across every unit in the portfolio.

Disclaimer: This blog is intended for general informational purposes only and does not constitute legal advice. Michigan landlord-tenant laws are subject to change, and individual circumstances vary. Property managers should consult a qualified Michigan attorney before making compliance decisions.