Quebec Commercial Security Deposits Guide

Unlike residential leasing in Quebec—where collecting any form of deposit is strictly illegal—the commercial sector operates entirely on the freedom of contract. Quebec commercial landlords can, and absolutely should, require security deposits to protect their investments.

Disclaimer: This guide provides general legal information for educational purposes only and does not constitute legal advice. Commercial lease laws vary significantly from residential laws. Always consult a licensed attorney in Quebec for advice specific to your business situation. Information last verified: March 2026.

No Statutory Limits

Because the Tribunal administratif du logement (TAL) does not govern commercial leases, there are no statutory caps on how much a commercial landlord can request as a security deposit.

The amount is dictated purely by market standard and the creditworthiness of the commercial tenant. It is common for commercial security deposits in Quebec to range from one to six months of gross rent, depending on:

• The financial strength of the business.
• Whether the business is a startup or an established corporation.
• The cost of landlord-funded tenant improvements (build-outs).

Types of Security in Commercial Leases

While cash deposits are common, sophisticated commercial leases in Quebec often utilize other forms of financial security.

1. Cash Security Deposits

The tenant provides a cash sum upfront. The lease agreement must specifically dictate:

• Under what conditions the landlord can draw upon the deposit (e.g., missed rent, unrectified damage at move-out).
• Whether the landlord must keep the funds in a separate trust account (not legally required by the CCQ, but often negotiated).
• Whether the deposit accrues interest, and who gets to keep that interest (usually the landlord).
• The timeline for returning the deposit after the lease expires.

2. Irrevocable Letters of Credit (ILOC)

For larger commercial leases (industrial spaces, large retail), cash deposits tie up too much of a business's working capital. Instead, a tenant will provide a continuous, irrevocable letter of credit from an established Canadian bank.

• If the tenant defaults, the landlord simply presents the letter to the bank to draw the funds.
• The letter of credit removes the risk of the security deposit becoming entangled in the tenant's bankruptcy proceedings, offering a superior level of security for the landlord.

3. Corporate or Personal Guarantees (Cautionnement)

In Quebec civil law, this is known as a cautionnement.

• If the tenant is a newly formed corporation, the landlord may demand that the company founders or a parent corporation sign a personal or corporate guarantee.
• This makes the guarantors "solidarily liable" (jointly and severally liable) for the rent and obligations of the lease.

Returning the Deposit

Because there are no statutory deadlines (unlike the strict 21-day or 30-day rules found in other provinces' residential codes), the timeline for returning a commercial security deposit must be explicitly written into the lease.

A standard commercial clause might stipulate that the landlord will return the balance of the deposit within 30 to 60 days after the expiration of the lease, provided the tenant has vacated the premises, removed all their fixtures, and restored the unit to its original condition.

Drafting the Deposit Clause

A poorly drafted security deposit clause can limit a landlord's ability to use the funds when needed. Ensure your commercial lease explicitly states:

• The deposit can be applied to any default under the lease, not just unpaid rent.
• If the landlord draws down the deposit during the lease term, the tenant must immediately replenish it to the original amount within a set number of days (e.g., 5 days).
• In the event the building is sold, the landlord is released from liability upon transferring the deposit to the new owner.

How Landager Helps

Managing different deposit structures, letters of credit with expiration dates, and personal guarantor files requires careful organization. Landager enables commercial property managers to track ILOC expiry dates, set automated reminders to prompt tenants for renewals, and safely store digital copies of signed corporate guarantees.

Back to Quebec Commercial Landlord-Tenant laws Overview.