The handing over of keys at the end of a lease is not just a trivial gesture between tenant and landlord. This physical transfer triggers legal deadlines, extinguishes financial obligations, and can, in cases of negligence, lead to costly disputes. What are the differences between residential leases and commercial leases regarding the timelines for the return of the security deposit? What procedural errors expose the tenant or the landlord to concrete penalties?
Timelines for the return of the security deposit according to the type of lease
The starting point for the timeline for the return of the security deposit is the same in all cases: the effective date of handing over the keys at the end of the lease. The legal durations vary depending on the nature of the contract and the condition of the property at the time of departure.
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| Type of lease | Condition report compliant | Observed damages | Non-monetary guarantee |
|---|---|---|---|
| Residential lease (law of July 6, 1989) | 1 month | 2 months | Not applicable |
| Commercial lease (2026 simplification law) | 3 months maximum | 3 months maximum | 6 months maximum |
In residential leases, exceeding the deadline exposes the landlord to a penalty of 10% of the monthly rent for each month of delay. For commercial leases, the 2026 economic life simplification law introduced a cap of three months from the handover of keys, clarifying a gray area that fueled many disputes.
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Early handover of keys and rent during the notice period
Returning the keys before the end of the notice period does not exempt the tenant from paying rent. The Court of Cassation confirmed in 2026 that a tenant who returns the keys early remains liable for rent until the end of the legal notice period, unless a new tenant takes possession of the property before that date.
This rule often traps tenants who believe that by leaving the premises earlier, they save one or two months’ rent. In reality, the handover of keys does not end the notice period; it ends the occupation. The lease runs until its contractual term or until the end of the notice period.
Cases where rent ceases before the end of the notice period
- A new tenant enters the property and signs a lease with the landlord before the expiration of the notice period. The landlord cannot collect two rents for the same property during the same period.
- The landlord expressly agrees, in writing, to waive the remaining rent. A simple verbal agreement is not sufficient in case of dispute.
- The property poses a health or safety risk (danger notice, declared uninhabitable), which may justify immediate departure without residual rent.
Proof of key return: burden and means
The burden of proof for the handover of keys rests with the tenant. If the landlord disputes having received the keys, it is up to the tenant to demonstrate that they were indeed returned. Sending them by simple mail or handing them over without a witness does not constitute sufficient proof in court.
Several means can secure this step. The most reliable remains the signed key handover report by both parties, dated, with mention of the exact number of keys and badges returned. This document can be included in the exit condition report.
Valid recipient for the return
The keys must be handed over to the owner themselves or to their authorized representative with a valid mandate. In practice, the real estate agency managing the property is the most frequent recipient. However, handing the keys to the building caretaker, a neighbor, or the landlord’s lawyer without express authorization does not constitute valid legal return.
In case of the landlord’s refusal to accept the keys (a situation that sometimes occurs to artificially maintain the ongoing lease), the tenant can resort to a bailiff. Service by bailiff constitutes irrefutable proof of the date of return and starts the legal timelines for the return of the security deposit.
Exit condition report and missing keys: deductions from the deposit
The exit condition report is carried out on the day of the handover of keys. The two operations are linked: without an exit condition report, the landlord loses all recourse for damages. The tenant is then presumed to have returned the property in the condition it was received, and the security deposit must be returned in full.
The issue of missing keys deserves special attention. The tenant must return all sets of keys provided at the start (main door keys, mailbox keys, garage keys, access badges to the building). Any key not returned may justify a deduction from the security deposit, corresponding to the actual replacement cost.
Elements to check before returning the keys
- Compare the number of keys and badges with that mentioned in the entry condition report or the initial handover report. Any discrepancy must be reported.
- Ensure that copies of keys made during the rental period are also returned. The landlord may require their return.
- Ensure that the locks have not been changed without the owner’s consent. Unauthorized replacement holds the tenant responsible for restoration.
The difference between a smooth departure and a dispute lasting several months often lies in the rigor of these checks. A signed key handover report, a complete contradictory condition report, and the return of all access means form the triptych that protects both parties. For both the landlord and the tenant, documenting each step in writing remains the only enforceable guarantee in case of subsequent disagreement.