You have just received your assignment to university housing, and the email from Crous asks you to activate your tenant space. The problem: you can no longer find the code you received, or you never understood where to look for it. This Crous tenant code is the identifier that links your student account to your accommodation on the Cité’U platform, and without it, you cannot sign your agreement, pay your rent online, or initiate an APL request with the CAF.
Cité’U activation code: what happens after the assignment
Once your accommodation is assigned, Crous sends an email containing a one-time activation code. This code is not your INE number or your MesServices identifier: it is a combination of letters and numbers specific to your residence file.
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This email is usually received in the days following the assignment notification. A common trap: the message lands in the spam folder or in the “Promotions” tab of Gmail. Before taking any other steps, check these folders using the keyword “Crous” or “Cité’U”.
For international students monitored by Campus France, the process differs. The housing request is pre-filled by Campus France, and the residence information arrives by email even before the creation of the MesServices account. The tenant code may therefore be sent at a different time, sometimes directly by the residence’s administration.
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If you want to retrieve the Crous tenant code with France Immo, the detailed procedure also covers these particular cases that fall outside the standard process.
Retrieve your Crous tenant code on MesServices.etudiant.gouv.fr
Since the generalization of the new interface “Manage your Crous / Cité’U housing” in MesServices, everything now goes through this online space, without a local paper form. Here is the concrete procedure to follow.
- Log in to messervices.etudiant.gouv.fr with your usual credentials (those from DSE or Parcoursup), then select the “Housing (In Crous residence)” section.
- Click on “I consult my file”, then on “I have an activation code”. Enter the code received by email and confirm with the “Link my account to the accommodation” button.
- If you no longer have the email, use the integrated “Assistance” messaging in MesServices to request a resend of the code. This is now the recommended channel by most academic Crous, not a direct email to the residence.
Once the code is entered, your Cité’U space is activated. You can then sign the occupancy agreement, view your rent receipts, and manage your residence-related procedures.
Input error or expired code
Responses vary on this point, but several students report that entering a code incorrectly multiple times can temporarily block access. If this is your case, wait a few hours before trying again. An expired code requires a new resend by Crous via the Assistance messaging.
Housing renewal and tenant code for the following academic year
Retrieving the tenant code is not only for newcomers. Each year, students wishing to renew their Crous housing must go through Cité’U within a specific window. The Crous of Bordeaux sets this period between March 15 and May 1, with confirmation within 72 hours by email and SMS.
For renewal, you normally keep your existing tenant code. The file is pre-filled in your MesServices space, section “CitéU”, button “Renewal request”. No need for a new activation code in this case.
Cases where access to tenant space is lost
Change of email, forgotten password, or transfer from one Crous to another (for example, after a reorientation): these situations sever the link between your MesServices account and your housing file. The recovery procedure always goes through the Assistance messaging, specifying your name, your INE number, and your assigned residence.
The Crous of Versailles, in its renewal campaign for 2026-2027, reminds students on scholarships that they must have submitted their social student file (DSE) for the following year to receive their renewal. Without an updated DSE, the housing reallocation process (and thus access to the tenant code) is blocked.
Frequent blocks and errors to avoid on the Cité’U platform
The majority of access problems to the tenant code arise from three recurring situations.
- Activation email classified as spam: always check the junk folders and secondary tabs of your email before contacting Crous.
- Confusion between identifiers: the Crous tenant code is not the MesServices password, nor the INE number, nor the Izly identifier. Each service has its own access.
- Response time of the Assistance messaging: during the start of the academic year, academic Crous (Toulouse, Lille, Montpellier) receive a high volume of requests. Expect several business days for a response.
A useful reflex: as soon as you receive the code, note it in a place separate from your email inbox. If your address is compromised or if you change providers, you keep independent access to this information.
The Crous tenant code remains active for the entire duration of your occupation of the accommodation. In case of a change of residence within the same Crous, a new code may be issued, while a transfer to another academic Crous involves creating a separate tenant file. Keeping your DSE updated and monitoring your MesServices messaging remain the two most effective actions to never find yourself blocked.