Simply serve the subtenant with written notice requiring her to vacate the premises within 30 days. You will need to give them 30 days notice if they are a month to month subtenant (meaning they have no written lease).This booklet explains many of these laws you need to know and provides resources where you can find more information about landlord and tenant issues. First you need to find a good subtenant. Post the listing online, then interview potential subtenants and ask for three things. To claim constructive eviction, you must first move out. This is risky because if you are wrong, you have to pay the rent. The Cook County RTLO provides renters' rights and landlord protections to Cook County suburban residents. Subletters are at risk for eviction if the sublessor takes their money and doesn't put it towards the rent on time. How will you handle the security deposit?