Site: nolo.com
... your $900 security deposit even though you moved out more than three weeks ago, having paid all your rent ... know, until September 30, 20xx, I resided in Apartment #4 at 1700 Walnut Street and regularly paid my rent ... However, sometimes it is hard to know who to sue, because rent is often paid to a manager or other agent ... in doubt as to who owns your unit, you are probably safe if you sue the person to whom you pay your rent ... damaged conditions, send the tenant a written itemization of deductions for repairs, cleaning, and unpaid rent ...