Missouri Commercial Security Deposit Rules: No Caps, Full Flexibility

Unlike the residential sector, Missouri places no statutory limits on commercial security deposits. The amount, holding requirements, and return timeline are governed entirely by the lease agreement, making careful lease drafting essential for both landlords and tenants.

Disclaimer: This guide provides general legal information for educational purposes only and does not constitute legal advice. Always consult a licensed attorney in Missouri for guidance specific to your situation. Information last verified: March 2026.

No Statutory Cap on Commercial Deposits

Missouri's residential two-month deposit limit (Mo. Rev. Stat. § 535.300) does not apply to commercial leases. In practice, this means:

Typical Commercial Deposit Amounts

Common deposit structures in Missouri commercial leases include:

• Retail: 1-3 months' base rent (sometimes including estimated CAM charges)
• Office: 2-6 months' base rent for new businesses; 1-2 months for established companies
• Industrial/Warehouse: 1-3 months' gross rent
• Startups or High-Risk Tenants: 6-12 months' rent, or a combination of cash deposit and personal guarantee

Alternatives to Cash Deposits

Many commercial tenants and landlords in Missouri prefer alternatives to large cash deposits:

Letters of Credit (LOC)

• Issued by a bank in favor of the landlord
• Landlord can draw on the LOC if the tenant defaults
• Preserves the tenant's working capital
• Should be irrevocable and unconditional
• Must have an expiration date extending beyond the lease term (or include "evergreen" auto-renewal clauses)

Bank Guarantees

• Similar to an LOC but structured as a guarantee from the tenant's bank
• Less common in the U.S. than in international commercial deals
• Often used for foreign-based tenants leasing in Missouri

Personal Guarantees

• Officers, directors, or owners of the tenant entity personally guarantee lease obligations
• Often used in addition to a cash deposit or LOC, especially for single-member LLCs or newly formed entities
• Can be "good guy" guarantees (limited to obligations up to the point the tenant surrenders possession)

Holding and Managing the Deposit

Because Missouri law does not dictate how commercial deposits must be held:

• Commingling: Landlords may generally commingle commercial security deposits with their operating funds unless the lease states otherwise. However, if a licensed real estate broker manages the property, they must maintain separate trust accounts for each tenant's deposit unless a written agreement permits otherwise.
• Interest: Landlords are not required to pay interest on commercial deposits. If the lease is silent, no interest is owed.
• Accounting: There is no statutory requirement to provide itemized deductions. However, best practice (and most leases) require the landlord to provide a written accounting of any deductions.

Allowable Deductions

Common deductions from commercial security deposits include:

1. Unpaid Rent and CAM Charges: Any base rent, percentage rent, or common area maintenance charges in arrears.
2. Property Damage: Costs to repair damage beyond normal wear and tear.
3. Holdover Damages: If the tenant remains past the lease expiration without permission, the landlord may deduct holdover rent (often at 150-200% of the base rate, per the lease).
4. Restoration/Make-Good Costs: Costs to return the premises to the condition required by the lease (e.g., removing tenant improvements, repainting, replacing flooring).
5. Unpaid Utilities: If utilities are billed to the tenant under the lease.
6. Legal Fees: If the lease includes a clause allowing the landlord to recover attorneys' fees from the deposit.

Deposit "Burn-Down" Provisions

Sophisticated commercial leases often include a "burn-down" provision, which reduces the security deposit amount over time if the tenant remains in good standing:

• Example: A 6-month deposit might reduce to 3 months after year 3, and to 1 month after year 5.
• Condition: The burn-down is typically contingent on no defaults during the lease term.

Best Practices for Commercial Landlords

1. Negotiate Aggressively for Startups: New businesses have the highest default risk. Require a larger deposit, LOC, or personal guarantee.
2. Include a Detailed Deduction Clause: Even though not legally required, itemize what can be deducted to prevent disputes.
3. Set a Clear Return Timeline: Specify exactly how many days after lease expiration (e.g., 30, 60, or 90 days) you have to return the balance.
4. Track LOC Expiration Dates: If using a letter of credit, set calendar reminders 90 days before expiration to ensure the tenant renews it. If they don't, draw on it immediately.
5. Require Deposits Cover "Make-Good": Ensure the deposit amount is sufficient to cover the estimated cost of restoring the space.

How Landager Helps

Landager tracks all forms of commercial security—cash deposits, LOCs, bank guarantees, and personal guarantee expirations—in a single dashboard. Automated alerts notify you when LOCs are approaching expiration, and our reporting tools make it easy to provide tenants with a detailed reconciliation at lease end.

Back to Missouri Commercial Property Laws Overview.