First you need to find a good subtenant. Post the listing online, then interview potential subtenants and ask for three things.If you would like to sublease your apartment, you must first tell your landlord that you want to do this. A tenant can sublet without the landlord's permission, even if the lease says its forbidden. You are entitled to request permission to sublet from the owner, and the owner may not unreasonably refuse such permission. My tenant sublet my apartment without my knowledge. I am still getting rent, but I do not know who is in my apartment. This article is intended to provide some valuable information for Landlords and for Tenants who decide to sublease or to allow a sublease. Generally, a rent controlled tenant who is not occupying an apartment pursuant to an existing lease cannot sublet the apartment without the owner's written. A room in 2B2B apartment.